Cooking Measurements Converter
Convert recipe measurements — including the tricky weight-to-volume conversions where the answer depends on the ingredient. 1 cup of flour ≠ 1 cup of sugar in grams.
How the conversion works
Volume → volume conversions use fixed metric (1 US cup = 236.588 mL, 1 tbsp = 14.787 mL, 1 tsp = 4.929 mL). Volume → weight conversions multiply volume in mL by the ingredient density (g/mL): flour = 0.53, granulated sugar = 0.85, butter = 0.91, milk = 1.03, etc.
When you'll use this converter
- Following recipes from different countries (US cup ↔ metric grams)
- Scaling recipes up or down
- Diet/macro tracking (volume → weight)
- Substituting ingredients with similar densities
Frequently asked
Why does 1 cup of flour weigh different from 1 cup of sugar?
Density. Flour is fluffy with air gaps (~0.53 g/mL packed), granulated sugar packs tightly (~0.85 g/mL), butter is denser still (~0.91 g/mL). The volume is the same; the mass differs.
Is 1 cup the same in the US, UK and metric?
No. US cup = 236.588 mL, UK cup = 284.131 mL, metric cup = 250 mL. Most modern recipes use US cups. Use the unit picker to choose the right one.
What about "1 stick of butter"?
1 US stick of butter = 1/2 cup = 8 tbsp = 113 g = 4 oz. We don't list "sticks" as a unit because it's US-specific and ambiguous internationally.