πΊπΈ 161 United States Calculators
From mortgage payments and 401(k) projections to business loan costs and HSA tax savings β our USA financial calculators cover the full spectrum of American personal finance. All calculators use current 2026 interest rates and federal tax brackets so you can plan with confidence.
Investment Calculators (22)
Compound Interest Calculator
Free compound interest calculator with monthly contributions. See how your investment grows over 5 10 20 or 30 years wit...
401k Calculator
Free 401k calculator to estimate your retirement savings. See how employer matching contributions and compound interest ...
Retirement Calculator
Free retirement calculator to estimate how much you need to retire comfortably. Factor in Social Security inflation and ...
Savings Goal Calculator
Calculate exactly how much you need to save monthly to reach any financial target. Plan for a house down payment vacatio...
ROI Calculator
Free ROI calculator to calculate return on investment for any business project or financial investment. Compare ROI acro...
Down Payment Calculator
Calculate how much down payment you need for a home and how long it will take to save. Compare 5% 10% and 20% down payme...
Rent vs Buy Calculator
Compare the true cost of renting versus buying a home over 5 10 15 and 20 years. Factor in property appreciation mainten...
FIRE Calculator
Calculate your FIRE number and how many years until you can retire early. Factor in current savings savings rate investm...
Roth IRA Calculator
Calculate Roth IRA contribution limits investment growth and tax-free retirement income. See how starting early creates ...
Real Estate ROI Calculator
Calculate true ROI on real estate investments including rental income appreciation tax benefits and all costs....
Net Worth Calculator
Calculate your net worth by adding all assets and subtracting all liabilities. Track your wealth growth over time and co...
Cost of Living Comparison
Compare cost of living between US cities. See how far your salary goes in different metros by comparing housing grocerie...
529 Plan Calculator
Calculate how much your 529 college savings plan could grow. Estimate future college costs and how much to save monthly ...
HSA Contribution Calculator
Calculate HSA contributions growth and tax savings. See how the triple tax advantage makes HSAs the most powerful saving...
Rule of 72
Use the Rule of 72 to instantly calculate how many years it takes your money to double at any interest rate....
401k Match Calculator
Calculate how much free money you get from your employer 401k match. See the impact of not contributing enough to get th...
401k Contribution Calculator
Calculate optimal 401k contributions to maximize employer match. See how different contribution levels affect your retir...
CD Calculator
Free CD calculator to estimate maturity value and interest earned on certificates of deposit. Compare APY rates and term...
Annuity Calculator
Free annuity calculator to estimate payments; present value; and future value. Plan guaranteed retirement income with co...
Stock Profit Calculator
Free stock profit calculator to determine gains or losses from trades. Enter buy/sell prices and share quantity for inst...
Options Profit Calculator
Free options profit calculator for calls and puts. Enter strike price; premium; and contracts to estimate your max profi...
Trump Account Calculator: How Much Will It Be Worth at 18?
Free Trump account calculator: project the $1,000 seed to age 18, model $5,000 yearly contributions at 7%, and compare a...
Loan Calculators (31)
Mortgage Calculator USA
Free mortgage calculator for US home buyers. Calculate monthly payments for 15-year and 30-year fixed mortgages with pro...
Auto Loan Calculator USA
Free auto loan calculator for US car buyers. Calculate monthly payments for new and used cars with different down paymen...
Student Loan Calculator
Calculate monthly student loan payments under different repayment plans. Compare Standard Graduated Extended and Income-...
Credit Card Payoff Calculator
Calculate how long it will take to pay off credit card debt. See how extra payments accelerate your payoff date and redu...
Mortgage Payment on $300K Home
Calculate monthly mortgage payment on a $300000 home at current US interest rates. Includes principal interest property ...
Mortgage Payment on $500K Home
Calculate monthly mortgage payment on a $500000 home. See payments at different down payments interest rates and loan te...
Car Affordability Calculator
Calculate the maximum car price you can comfortably afford based on your income down payment and monthly budget. Avoid o...
Debt-to-Income Calculator
Calculate your debt-to-income ratio to check loan eligibility. Banks use DTI to determine how much you can borrow for mo...
FHA Loan Calculator
Free FHA loan calculator with mortgage insurance premium. Calculate monthly payments for FHA loans with as little as 3.5...
VA Loan Calculator
Free VA loan calculator for veterans and military. Calculate monthly payments with no down payment no PMI and competitiv...
Lease vs Buy Car Calculator
Compare total cost of leasing versus buying a car over 3-5 years. Factor in monthly payments depreciation insurance main...
Business Loan Calculator USA
Free US business loan calculator. Estimate monthly payments for SBA 7(a) loans and term loans and lines of credit....
HELOC Calculator
Free HELOC calculator. Estimate monthly interest payments on your home equity line of credit. See how much equity you ca...
Debt Snowball Calculator
Use the debt snowball method to create a plan for paying off all your debts. See your payoff timeline and total interest...
Amortization Schedule Calculator
Generate a complete amortization schedule showing principal and interest breakdown for every payment....
APR Calculator
Calculate the APR on any loan including fees and charges to compare the true cost of borrowing....
Student Loan Forgiveness
Calculate your student loan forgiveness timeline under PSLF and income-driven repayment plans. See how much you could sa...
Mortgage Refinance Calculator
Calculate if refinancing your mortgage saves money. Compare your current payment with a new loan and see the break-even ...
Mortgage Payment on $400000
Calculate the monthly mortgage payment on a $400000 home loan. See how interest rate down payment and term affect your t...
Mortgage Payment on $600000
Calculate the monthly mortgage payment on a $600000 home loan. Compare rates terms and see the total cost over the life ...
Mortgage Payment on $250000
Calculate the monthly payment on a $250000 mortgage. See how rate term and down payment affect your total housing cost....
Mortgage Payment on $700000
Calculate the monthly mortgage payment on a $700000 home loan. See how rates and terms affect your total cost over the l...
Debt Consolidation Calculator
Calculate if consolidating multiple debts into one loan saves you money. Compare your current total payments with a sing...
Mortgage Comparison
Compare two mortgage offers side by side. See total cost difference monthly payment difference and which loan saves you ...
Mortgage Payment on $800000
Calculate the monthly mortgage payment on an $800000 home loan. Common for homes in competitive suburban markets and mid...
Mortgage Payment on $200000
Calculate monthly mortgage payment on a $200000 home loan at current interest rates. See payment breakdowns for 15 and 3...
Mortgage Payment on $1000000
Calculate monthly payment on a $1 million mortgage for luxury and high-cost market properties across the US....
Mortgage Payment on $150000
Calculate monthly payment on a $150000 mortgage β among the most affordable home loans in the US market....
Mortgage Payment on $900000
Calculate monthly mortgage on a $900000 home loan. Compare rates for high-value properties in premium US markets....
Mortgage Payment on $350000
Calculate monthly mortgage payment on a $350000 home loan at current rates. See payment comparison for 15-year and 30-ye...
Mortgage Payment on $750000
Calculate monthly mortgage payment on a $750000 home loan. See 15-year vs 30-year payment comparison with taxes and insu...
Utility Calculators (24)
Tip Calculator
Free tip calculator for restaurants bars and services. Calculate tip amounts split bills between multiple people and det...
Margin Calculator
Free margin calculator for businesses. Calculate gross margin net margin markup and profit percentage for any product or...
Salary to Hourly Calculator
Convert annual salary to hourly rate and vice versa. Calculate your real hourly earnings including overtime and understa...
GBP to USD Converter
Convert British Pounds to US Dollars at the latest exchange rate. Understand factors affecting the GBP/USD pair and hist...
Emergency Fund Calculator
Calculate your ideal emergency fund size based on monthly expenses job stability and dependents....
Hourly to Salary Calculator
Convert your hourly wage to annual salary and vice versa. See weekly biweekly and monthly income breakdowns based on hou...
Side Hustle Calculator
Estimate your potential side hustle income based on hours available hourly rate and expenses. Compare different side hus...
Child Care Cost Calculator
Calculate annual childcare costs in the United States. Compare daycare center nanny and au pair costs by state and estim...
Solar Panel Calculator
Calculate return on investment for rooftop solar panels. Estimate monthly electricity savings and payback period and 25-...
Moving Cost Calculator
Free interstate moving cost calculator: weight Γ distance linehaul math, $4,000β$9,500 typical for 2β3BR moves in 2026, ...
Overtime Calculator
Calculate overtime pay at 1.5x and 2x rates. See how extra hours affect your weekly and monthly income with different ov...
College Cost Calculator
Project future college tuition costs based on current rates and historical tuition inflation. Plan how much to save for ...
Home Equity Calculator
Calculate your current home equity based on property value and mortgage balance. See how payments appreciation and impro...
Savings Rate Calculator
Calculate your savings rate as a percentage of income. See how your rate compares to averages and how it affects your pa...
Working Hours Calculator
Calculate total working hours per week month and year. See overtime potential and compare with standard work schedules a...
Rent Affordability Calculator
Calculate the maximum rent you can afford based on income and expenses. Follow the 30% rule and avoid becoming rent-burd...
EV Range Calculator
Calculate real-world electric vehicle range based on battery size driving conditions temperature and driving style. Plan...
Square Footage Calculator
Free square footage calculator for rooms; properties; and flooring. Calculate area from length and width in feet; inches...
Fuel Cost Calculator
Free fuel cost calculator to estimate gas expenses for road trips. Enter distance; MPG; and gas price for instant trip c...
Mobile Home Moving Cost Calculator (2026)
Cost to move a mobile home in 2026: single-wide $5,000β$8,000 full-service under 100 miles, double-wide $10,000β$20,000,...
Piano Moving Cost Calculator (2026)
Estimate piano moving costs for 2026: uprights $150β$400 local, grands $300β$1,000+, stairs $40β$100 per flight, plus lo...
International Moving Cost Calculator (2026)
Estimate 2026 international moving costs: US to Australia $8,000β$15,000, Canada $3,000β$8,000, Japan, Dubai and NZ. Sea...
Solar Payback Period Calculator (US)
Free US solar payback calculator for 2026. Net cost Γ· annual savings, payback math now the federal credit has ended, plu...
Solar Tax Credit Expiration: What Ended, Who Can Still Claim It, and the New 2026 Math
Solar tax credit 2026: the 30% federal credit ended for installs finished after Dec 31, 2025. Who can still claim it, an...
Tax Calculators (17)
US Sales Tax Calculator
Calculate sales tax for any purchase in any US state and city. See combined state county and city tax rates for accurate...
Capital Gains Tax Calculator
Calculate federal capital gains tax on stock sales real estate and other investments. Understand short-term vs long-term...
HSA Growth Calculator
Calculate HSA contribution limits tax savings and investment growth. Understand why the HSA is called the most tax-advan...
Paycheck Calculator
Free US paycheck calculator. Calculate your take-home pay after federal tax state tax Social Security Medicare and other...
Property Tax Calculator
Calculate annual property tax based on home value and location. Compare property tax rates across all 50 US states and f...
Crypto Tax Calculator USA
Calculate US federal tax on cryptocurrency transactions including capital gains from trading mining income staking rewar...
Tax Bracket Calculator
Calculate which federal tax bracket you fall into for 2026. Understand marginal vs effective tax rates and how the progr...
Social Security Calculator
Estimate your Social Security retirement benefits based on your earnings history. Compare claiming at 62 vs 67 vs 70 and...
W-4 Withholding Calculator
Calculate the correct W-4 withholding to avoid owing taxes or getting a large refund. Optimize your federal tax withhold...
RMD Calculator
Calculate your Required Minimum Distributions from traditional IRA and 401k accounts. See how much you must withdraw eac...
Estate Tax Calculator
Calculate federal estate tax on your estate. See the current exemption threshold and tax rates for estates above the lim...
Self-Employment Tax Calculator
Calculate self-employment tax and estimated quarterly payments for freelancers 1099 contractors and sole proprietors in ...
Bonus Tax Calculator
Calculate how much of your bonus you actually take home after federal and state taxes. Understand the percentage and agg...
Lottery Tax Calculator
Calculate federal and state taxes on lottery winnings. See the difference between lump sum and annuity payout after taxe...
Average Tax Rate Calculator
Calculate your average (effective) tax rate versus your marginal rate. Understand why your actual tax burden is always l...
After Tax Salary Calculator
Calculate your after-tax salary in any US state. See federal tax state tax Social Security and Medicare deductions for y...
Estimated Tax Payment Calculator
Q2 estimated tax due date 2026: Monday, June 15. All IRS quarterly tax dates, 100%/110% safe-harbor rules, and free 1040...
Health Calculators (12)
Body Fat Calculator
Calculate your body fat percentage using the US Navy method. Just enter your measurements to get an estimate of your bod...
Calorie Calculator
Calculate your daily calorie needs based on age weight height activity level and goals. Get personalized targets for wei...
Due Date Calculator
Calculate your estimated due date based on last menstrual period or conception date. See your pregnancy timeline with ke...
Blood Pressure Calculator
Check your blood pressure reading against medical guidelines. Understand what your systolic and diastolic numbers mean a...
Ideal Weight Calculator
Calculate your ideal body weight using multiple scientific formulas including Devine Robinson Miller and Hamwi methods....
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity level and climate. Free personalized hydratio...
Sleep Calculator
Calculate your ideal bedtime based on when you need to wake up. Align with natural 90-minute sleep cycles for better res...
Protein Calculator
Calculate your optimal daily protein intake based on weight goals and activity level. Essential for muscle building weig...
TDEE Calculator
Free TDEE calculator to estimate daily calorie needs based on activity level. Uses Mifflin-St Jeor and Harris-Benedict f...
Macro Calculator
Free macro calculator to find your ideal protein; carb; and fat ratio. Customize macros for weight loss; muscle gain; or...
Ovulation Calculator
Free ovulation calculator to predict your fertile window and ovulation day. Plan conception with accurate cycle-based pr...
Pregnancy Week Calculator
Free pregnancy week calculator to track your current week and trimester. Enter your last period or conception date for i...
Education Calculators (10)
GPA Calculator
Free GPA calculator showing unweighted and weighted GPA side by side on the 4.0 scale, with credit hours and +0.5 Honors...
College GPA Calculator
Free college GPA calculator: enter courses, letter grades and credit hours for your semester GPA on the 4.0 scale plus y...
High School GPA Calculator (Weighted and Unweighted)
Free high school GPA calculator: get weighted and unweighted GPA side by side. Adds +0.5 for Honors and +1.0 for AP/IB, ...
Weighted Grade Calculator
Weighted grade calculator: enter category weights and scores. HW 20/92, Quiz 15/85, Midterm 25/78 = 84.4% on completed w...
Final Grade Calculator
Final grade calculator: enter your current grade, the finalβs weight and your target. At 84% with a 30% final, a 90% goa...
Semester Grade Calculator
Free semester grade calculator: enter Q1, Q2 and final exam with editable 40/40/20 weights. Get your semester percent, l...
Cumulative GPA Calculator
Cumulative GPA calculator that weights each term by credits β 3.10 over 45 credits plus a 3.60 term of 15 credits = 3.22...
Percentage to GPA Calculator
Free percentage to GPA calculator: 93%+ = 4.0, 83β86% = 3.0 B on the standard US scale. Converts both directions, full 1...
Class Rank Calculator
Free class rank calculator: enter rank and class size for your top % and percentile. Rank 25 of 320 = top 7.8%, 92.2nd p...
GPA Raise Calculator
Free GPA raise calculator: see the credits needed to hit a target β going 2.8 to 3.0 over 60 credits takes 20 credits of...
Construction & DIY Calculators (20)
Concrete Calculator
Calculate how much concrete you need in cubic yards or bags. Enter slab dimensions for an instant material estimate....
Brick Calculator
Calculate the number of bricks needed for a wall or project. Enter dimensions and get an instant estimate with mortar jo...
Paint Calculator
Free paint calculator: how many gallons of paint for a 12x12 room (2 gallons, two coats) plus a gallons-per-room table f...
Flooring Calculator
Calculate flooring materials needed for any room. Works for hardwood; laminate; tile; vinyl; and carpet with waste facto...
Roofing Calculator
Calculate roofing materials needed. Enter roof dimensions to get squares; bundles of shingles; underlayment; and ridge c...
Drywall Calculator
Calculate drywall sheets needed for your project. Accounts for doors; windows; and waste for accurate material estimates...
Gravel Calculator
Calculate gravel needed in tons or cubic yards. Enter area and depth for driveways; paths; landscaping; or drainage proj...
Mulch Calculator
Calculate mulch needed in cubic yards or bags. Enter bed dimensions and desired depth for landscape and garden projects....
Fence Calculator
Calculate fence materials needed. Enter length and style to get posts; rails; pickets; concrete; and hardware estimates....
Deck Cost Calculator
Average cost of a 12x16 deck in 2026: $4,800β$8,600 pressure-treated, $7,700β$13,400 composite. Free calculator with fra...
Tile Calculator
Calculate how many tiles you need for floors or walls. Enter area and tile size for accurate count with waste factor....
Lumber Calculator
Calculate board feet of lumber for construction or woodworking. Convert between board feet; linear feet; and total cost....
Insulation Calculator
Calculate insulation needed for walls; attics; or floors. Get batt count; roll coverage; and R-value recommendations....
Staircase Calculator
Calculate staircase dimensions including number of steps; rise; run; and stringer length. Meets building code requiremen...
Wallpaper Calculator
Calculate wallpaper rolls needed for a room. Accounts for pattern repeat; doors; and windows for accurate ordering....
Paver Calculator
Calculate the number of pavers needed for a patio or walkway. Enter area and paver size for accurate count with waste....
Soil Calculator
Calculate cubic yards of topsoil or fill dirt needed. Enter bed dimensions and depth for gardens; lawns; or grading....
Rebar Calculator
Calculate rebar quantity for concrete slabs; footings; and walls. Get total linear feet and number of bars needed....
Plywood Calculator
Free 4x8 sheet of plywood calculator: divide area by 32 sq ft, add 10-15% waste. A 12x16 floor needs 7 sheets. 2026 CDX,...
Gutter Calculator
Calculate gutter length and downspout count for your home. Enter roofline measurements for a complete materials list....
Craft Calculators (8)
Quilt Calculator: Plan Your Whole Project from One Set of Measurements
Free quilt calculator that plans the whole project: enter quilt dimensions once to get backing, binding, and border yard...
Quilt Backing Calculator: Yardage, Seam Direction, and Wideback Options
Quilt calculator backing guide: yardage with 4-inch overhang, horizontal vs vertical seams on 44-inch fabric, and when a...
Quilt Binding Calculator: Strips, Cut Widths, and Yardage
Quilt calculator binding guide: perimeter plus 10-12 inches, strip counts from 44-inch fabric, 2.25 vs 2.5 inch cut widt...
Quilt Size Chart: Standard Quilt Dimensions from Crib to King
Standard quilt dimensions chart from crib to king with US mattress sizes, drop and pillow tuck math, and the lap and thr...
Quilt Material Calculator: From Cutting List to Yardage
Free quilt material calculator guide: pieces per strip, strips to yards, waste factors, and fat quarter math, with a wor...
Quilt Border Calculator: Strip Lengths, Corners, and Yardage
Free quilt border calculator guide: butted vs mitered strip math, diagonal-seam WOF piecing, and a worked 60x76 example ...
Quilt Block Calculator: How Many Blocks Your Quilt Needs
Free quilt block calculator guide: blocks needed to cover a quilt, sashing and cornerstone counts, and on-point setting ...
Quilt Cost Calculator
Free quilt cost calculator: real material costs by quilt size, longarm quilting rates per square inch, and whether makin...
Hobby Calculators (17)
3D Printing Cost Calculator
Free 3D printing cost calculator: filament, electricity (18.83Β’/kWh US avg), depreciation and failure rate. A 150 g PLA ...
Fish Tank Volume Calculator
Free fish tank volume calculator for 6 shapes. US gallons (231 cu in each), liters, UK gallons, water weight at 8.34 lb/...
Aquarium Substrate Calculator
Free aquarium substrate calculator: pounds, kg, liters, and bag counts from tank footprint and depth. A 20-long needs ~2...
Dipole Antenna Calculator
Free dipole antenna calculator: 468 Γ· f MHz gives half-wave length β a 40 m dipole cuts to 65 ft 5 in. Presets for 160 m...
ABV Calculator (Alcohol by Volume)
Free ABV calculator: enter OG and FG for alcohol by volume via (OG β FG) Γ 131.25 plus a high-gravity formula, ABW, calo...
Priming Sugar Calculator for Bottling Beer
Free priming sugar calculator for bottling beer: batch size, temp, and CO2 target in, grams out. A 5-gallon ale at 2.5 v...
Hydrometer Temperature Correction Calculator
Hydrometer temperature correction calculator: a 1.050 wort reads just 1.044 at 100Β°F. Fix readings for 60Β°F and 68Β°F cal...
IBU Calculator
Free IBU calculator using the Tinseth formula. Add up to 3 hop additions for total and per-addition IBUs. American IPAs ...
Brix Calculator: Convert Brix to Specific Gravity and Back
Free Brix calculator converts Brix to specific gravity and back β 12 Brix β SG 1.048 β with a wort correction factor for...
Epoxy Resin Calculator: How Much Epoxy Do I Need?
Epoxy resin calculator for tabletops, river tables, and molds. Converts inches to ounces (divide by 1.805), splits resin...
Candle Wax Calculator
Free candle wax calculator: water weight Γ 0.86 gives wax per container, fragrance oil at 6β10% load, and cost per candl...
Board Foot Calculator
Free board foot calculator: thickness Γ width Γ length Γ· 12. Board feet per piece, totals, and cost with 2026 hardwood p...
Firewood Cord Calculator
Free firewood cord calculator β convert stack length, height & depth to full cords (128 cu ft), face cords & dollar valu...
Yarn Yardage Calculator: How Much Yarn Do I Need?
Free yarn yardage calculator: how much yarn you need by project and weight β 1,125β1,625 yds for a worsted sweater β plu...
Keg Carbonation Calculator (Set-and-Forget PSI + Line Length)
Free keg carbonation calculator: enter beer temp and CO2 volumes to get regulator PSI β 2.5 vols at 38Β°F = 11.2 psi β pl...
Aquarium CO2 Calculator: CO2 ppm from KH & pH
Free aquarium CO2 calculator: enter KH and pH to get dissolved CO2 in ppm via 3 Γ KH Γ 10^(7βpH). Target 20-30 ppm for p...
Voltage Drop Calculator
Free voltage drop calculator for 12Vβ240V circuits. Uses NEC Table 8 resistance (12 AWG = 1.93 Ξ©/1,000 ft) to check any ...
Note: US mortgage rates and tax brackets are updated for 2026. For state-specific calculations like sales tax or property tax consult your state revenue department.