Cooking

Calculate the alcohol by volume (ABV%) of your home brew from the original and final specific-gravity readings: ABV = (OG − FG) × 131.25.

Work out how much salt to dissolve in water for a wet brine at your chosen salinity (salt = water × salinity / 100), in grams.

Work out how much ground coffee to use for any amount of water at your chosen brew ratio (1 : X), from strong 1:15 to mild 1:18.

Calculate the water needed for a given flour weight and baker's hydration percentage (water = flour × hydration%/100) for bread, pizza, and sourdough.

Convert cups, ounces, grams, ml and more — with ingredient-aware density for 15 baking staples.

Convert oven temperatures between Celsius, Fahrenheit, and gas marks — the three labelling systems found on ovens and recipes worldwide.

Work out the exact flour, water, salt, and yeast weights for any number of pizza dough balls using baker's percentages.

Scale any recipe up or down — enter an ingredient amount and your original and desired servings to get the rescaled amount and the scaling factor.

Work out how much water to use for any amount of rice at your chosen water-to-rice ratio — from 1.5:1 for basmati to 2.5:1 for brown rice.

Find out how long to roast a turkey at 325°F — enter the weight and whether it is stuffed to get the total roasting time in hours and minutes.

Convert fresh (cake) yeast to active dry yeast and instant yeast using the standard baking ratios (active dry = fresh ÷ 2.5, instant = fresh ÷ 3).