General Tools Calculators

Free, no-signup calculators for General Tools. Pick a tool below - every formula is explained on its page and every reference value is sourced.

Adjust any recipe fermentation time for a different temperature.

Approximate brine salinity from a Brix refractometer reading.

Grams to tablespoons and back for salt, sugar, flour and more.

Weight, volume and temperature conversions for kitchen and brewing.

Convert between instant, active dry and fresh yeast, with recommended amounts per flour weight.

Scale any recipe up or down with a yield factor and scaled ingredient weights.

Jar volume from diameter and fill height, with packing efficiency, brine and salt.