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 volumes needs ~124 g corn sugar.

Priming Sugar Calculator

Batch Volume

Unit

Beer Temp (°F, warmest it reached)

Style Preset

Target CO₂ (volumes)

Sugar Type

Sugar to Add

124 g

In Ounces

4.4 oz

Residual CO₂ (from 68°F)

0.86 vols

≈ Per 12 oz Bottle (53 bottles)

2.3 g

ℹ️ Boil the sugar in 1-2 cups of water, cool, and mix gently into the bottling bucket. Use the warmest temperature the beer reached after fermentation — that sets how much CO₂ is already dissolved.