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Post Boil Volume and Gravity

Use this to calculate gravity and wort volume post boil. Use the Boil off Rate calculator below to work out your kit rate. The figure should be somewhere between 5-15%.

Litres
SG
Minutes
%
%
Litres/hr
Litres
Litres
Litres
Litres

Boil off Rate

Use this to calculate your boil off percentage. This will work on any units as it's a percentage calculation.

Litres
Litres
Min
%
%

Boil off Calculator

Use this to calculate how much water evaporates during your boil. Use the kettle power factor to tweak the results. If the amount of water boiled off is less or more than the calculated figures, increase or decrease the power factor to get the correct result.

cm
Min
Litres/hr
Litres