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Cooking Conversion Calculator
Convert between all cooking measurement units instantly — cups to tablespoons, teaspoons to milliliters, ounces to grams, and more. Essential for following international recipes, scaling ingredient amounts, and converting between US and metric cooking measurements.
Cooking measurements can be confusing — especially when recipes switch between volume and weight, or when you only have certain measuring tools available. This calculator handles all standard US and metric cooking conversions for both volume and weight measurements.
Formula
Volume: 1 cup = 16 tbsp = 48 tsp = 8 fl oz = 236.6 ml | Weight: 1 oz = 28.35g | 1 lb = 453.6g
Complete Cooking Measurement Reference
Understanding the relationships between cooking measurements lets you adapt recipes to available tools, scale quantities, and follow recipes from any country. The US uses volume measurements (cups, tablespoons) while most of the world uses weight (grams, kilograms) — both systems are represented here.
Volume Conversion Chart
Measurement
Tablespoons
Fluid Oz
Milliliters
Teaspoons
1 tablespoon
3 teaspoons
0.5 fl oz
14.79 ml
1/16 cup
1/4 cup
4 tablespoons
2 fl oz
59.15 ml
12 teaspoons
1/3 cup
5 tbsp + 1 tsp
2.67 fl oz
78.86 ml
16 tsp
1/2 cup
8 tablespoons
4 fl oz
118.3 ml
24 tsp
1 cup
16 tablespoons
8 fl oz
236.6 ml
48 tsp
1 pint
2 cups
16 fl oz
473.2 ml
32 tbsp
1 quart
4 cups
32 fl oz
946.4 ml
64 tbsp
1 gallon
16 cups
128 fl oz
3,785 ml
256 tbsp
Weight Conversions
Unit
Metric
Imperial
1 ounce (oz)
28.35 grams
0.0625 lbs
1 pound (lb)
453.6 grams
16 ounces
100 grams
3.527 oz
0.220 lbs
1 kilogram
1000 grams
2.205 lbs
1 stone (UK)
6,350 grams
14 lbs
US vs UK vs Australian Measurements
US cup = 236.6 ml. UK/Canadian cup = 250 ml (metric cup). Australian tablespoon = 20 ml (vs US 14.79 ml). Australian cup = 250 ml. These differences matter most in baking — a UK recipe using 250 ml cups vs a US cook using 236.6 ml cups = 5.7% difference per cup. For most savory recipes this is negligible; for precise baking, use weight measurements.
Frequently Asked Questions
1 cup = 16 tablespoons = 48 teaspoons = 8 fluid ounces = 236.6 milliliters. Half cup = 8 tablespoons. Quarter cup = 4 tablespoons. One third cup = 5 tablespoons + 1 teaspoon (5.33 tablespoons).
1 tablespoon = 3 teaspoons = 0.5 fluid ounces = 14.79 milliliters. This is one of the most important kitchen conversions. When a recipe calls for 1/2 tablespoon, measure 1.5 teaspoons. Quarter tablespoon = 3/4 teaspoon.
US cup to ml: multiply cups by 236.6. Half cup = 118.3 ml. Quarter cup = 59.15 ml. Third cup = 78.86 ml. For metric cups (UK, Canada, Australia): 1 cup = 250 ml. Always check which cup measurement a recipe uses — US and metric cups differ by about 5.7%.
Flour is tricky because it compresses. All-purpose flour: 1 cup = 120-130g (spooned and leveled). Bread flour: 1 cup = 127g. Cake flour: 1 cup = 100g. Almond flour: 1 cup = 96g. For consistent baking results, always weigh flour rather than using cups. Scooping directly from the bag can result in 150-160g per cup.
1 US teaspoon = 4.929 ml (approximately 5 ml). Most cooking and medical dosing uses the rounded 5 ml = 1 teaspoon approximation. This is precise enough for cooking. 1 tablespoon = 14.79 ml (approximately 15 ml). For medicine or scientific applications, use a calibrated syringe rather than a kitchen teaspoon.
Multiply ounces by 28.35 to get grams. Common cooking conversions: 1 oz = 28g, 2 oz = 57g, 4 oz = 113g, 8 oz = 227g, 16 oz (1 lb) = 454g. Quick mental trick: multiply oz by 28 for an approximate gram conversion that is accurate enough for most cooking applications.