Precision Kitchen, Coffee & Craft Ratio Calculators · Zero Sign-Up

Measure Exact Ratios Every Single Batch

Free calculators for baker's hydration percentage, coffee brew ratios, candle fragrance load, epoxy resin A/B volume, dilutions, and pan scaling.

Baking & Kitchen

Baker's Percentage & Hydration Dough Calculator

Calculate exact grams of flour, water, salt, yeast, and oil for any number of loaves or pizza dough balls.

Open calculator →
Coffee & Brine

Coffee-to-Water Brew Ratio Calculator

Compute exact coffee grounds and water in grams/mL for Pour-Over V60, French Press, AeroPress, Cold Brew, and Espresso.

Open calculator →
Candles, Resin & Dilution

Candle Wax & Fragrance Oil Weight Calculator

Calculate exact wax and fragrance oil weights for single or multi-jar soy, beeswax, or paraffin candle batches.

Open calculator →
Candles, Resin & Dilution

Epoxy Resin Volume & Part A/B Calculator

Measure exact milliliters and fluid ounces of Resin (Part A) and Hardener (Part B) for rectangular or round molds.

Open calculator →
Candles, Resin & Dilution

Liquid Dilution Ratio & Concentration Calculator

Calculate exact concentrate and water volumes for 1:10, 1:50 cleaning solutions, hydroponics, or C1V1=C2V2 percentage dilutions.

Open calculator →
Baking & Kitchen

Baking Pan Size & Recipe Scaling Converter

Convert cake or brownie recipes between round and rectangular baking pans by exact surface area.

Open calculator →
Coffee & Brine

Brine & Ferment Salt Percentage Calculator

Calculate exact grams of salt and sugar per liter of water for juicy chicken, pork brines, and vegetable lacto-fermentation.

Open calculator →
Baking & Kitchen

Ingredient Grams to Cups & Ounces Converter

Convert accurately between grams, ounces, US cups, and tablespoons using real density for flour, sugar, butter, honey, and oats.

Open calculator →