Keep the tables by your measuring jug or scale. These references use the same unit definitions and ingredient records as the calculators.
12 kitchen conversions at a glance
Check the measure next to each number before using a shortcut.
Kitchen scale
1 kg ≈ 2.205 lbInternational avoirdupois pound
16 oz = 1 lbAvoirdupois ounces by weight
28.35 g ≈ 1 ozAvoirdupois ounce by weight
453.6 g ≈ 1 lbInternational avoirdupois pound
Cups and spoons
1 cup = 8 fl ozUS customary cup and US fluid ounce
1 tbsp = 3 tspUS customary tablespoon and teaspoon
1 cup = 16 tbspUS customary cup and tablespoon
Liquid containers
1 qt = 4 cupsUS liquid quart and US customary cup
1 gal = 128 fl ozUS liquid gallon and US fluid ounce
1 gal = 4 qtUS liquid gallon and US liquid quart
32 fl oz = 1 qtUS fluid ounce and US liquid quart
16 cups = 1 galUS customary cup and US liquid gallon
US customary cup and spoon fractions
Use these first two tables with US customary cups, fluid ounces, tablespoons and teaspoons. If your recipe calls for a different cup, check the cup-size converter.
These estimates scale the published source portions. The food, preparation and filling method affect how much fits in a cup. Open the ingredient directory for the individual records.
Published household portions and source-cup equivalents
≈ marks an estimate or rounded value. Sources NIST SI temperature conversions. Celsius settings are rounded to the nearest degree. Use the nearest mark your oven supports. Convection settings depend on the recipe and oven.