Conversion
Cooking Unit Converter
Convert between cups, grams, milliliters, tablespoons, teaspoons, and more. Includes ingredient-specific density for accurate weight-to-volume conversions.
Enter amount and units, then click Convert
Converted Value
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How is this calculated?
Formula: Volume-to-volume uses fixed ratios. Weight conversions use ingredient density.
Volume Ratios (to ml):
1 cup = 236.588 ml
1 tbsp = 14.787 ml
1 tsp = 4.929 ml
1 fl oz = 29.574 ml
1 L = 1000 ml
Ingredient Densities (g per cup):
Water: 236.588 | Flour: 125 | Sugar: 200
Butter: 227 | Rice: 185 | Milk: 244 | Honey: 336
Weight ↔ Volume:
grams = cups × density (g/cup)
cups = grams ÷ density (g/cup)Conversion history
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FAQ
Frequently asked questions
How do I convert cups to grams for baking?
Cup-to-gram conversions depend on the ingredient's density. 1 cup of flour weighs ~125g, while 1 cup of sugar weighs ~200g and 1 cup of butter weighs ~227g. Always use ingredient-specific conversions for accuracy in baking, as volume measurements can vary based on how you scoop or pack the ingredient.
Why do recipes use different measurement systems?
The US primarily uses customary units (cups, tablespoons), while most other countries use the metric system (grams, milliliters). This is historical — the US never fully adopted the metric system. Professional bakers worldwide prefer weight (grams) because it's more precise and consistent than volume measurements.
Is 1 cup always 236 ml?
The US legal cup is exactly 240 ml (used on nutrition labels), while the US customary cup is 236.588 ml. The metric cup (used in Australia) is 250 ml, and the imperial cup (UK, Canada historically) is 284 ml. This calculator uses the US customary cup (236.588 ml) as the standard.
How many tablespoons are in a cup?
There are exactly 16 US tablespoons in 1 US cup. Each tablespoon equals 3 teaspoons or approximately 14.787 ml. So 1 cup = 16 tbsp = 48 tsp = 236.588 ml. These ratios are fixed regardless of the ingredient being measured.
Can I convert between weight and volume for any ingredient?
You can convert between weight and volume only if you know the ingredient's density. Water has a 1:1 ratio (1 ml = 1 g), but most ingredients differ. Flour is lighter (~0.529 g/ml), honey is heavier (~1.42 g/ml). This calculator includes common ingredient densities for accurate conversions.