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What does this calculator estimate?
A baking conversions tool converts between cups, tablespoons, teaspoons, milliliters, ounces, pounds, and grams. Enter a value and pick the units to convert.
- 1 cup = 236.6 mL = 16 tbsp = 48 tsp
- 1 lb = 453.6 g
- Mass vs volume: use grams for accuracy
Why baking conversions are tricky
Recipes mix volume (cups) and mass (grams), and the two don't convert cleanly — a cup of flour weighs ~120 g while a cup of sugar weighs ~200 g. The tool handles unit conversions; ingredient density is the reason bakers prefer weighing.
Limitations to watch for
Volume-to-mass conversion depends on the ingredient and how it's packed. The tool converts units within each system; for mass equivalents of cups, look up the ingredient's density or weigh it. Stick to one system within a recipe.
How to use it in practice
Convert volumes between cups/tablespoons/milliliters with the tool, and ounces/pounds to grams for weighing. For the most consistent results, weigh dry ingredients and use volume for liquids.
['Enter the value.', 'Pick the source and target units.', 'Read the converted amount.']
How this calculator works
Formula
Volume: 1 US cup = 236.588 mL = 16 tbsp = 48 tsp; 1 tbsp = 14.787 mL; 1 tsp = 4.929 mL; 1 L = 1,000 mL. Mass: 1 oz = 28.350 g; 1 lb = 453.592 g.
Worked example
2 cups = 473 mL. 1 lb flour ≈ 454 g. 4 tbsp = ¼ cup.
Assumptions to verify
- US cup measures are used (236.6 mL, not the UK 250 mL).
- Mass conversions use standard avoirdupois ounces/pounds.
- The user keeps volume and mass conversions separate.
Frequently asked questions
How many tablespoons are in a cup?
16 — and a cup is 236.6 mL, a tablespoon 14.8 mL, a teaspoon 4.9 mL.
How do I convert cups to grams?
You can't directly — a cup of flour (~120 g) differs from a cup of sugar (~200 g). Weigh ingredients for accuracy.
How many grams in a pound?
453.6 g; an ounce is 28.35 g.
Is a US cup the same as a UK cup?
No — the US cup is 236.6 mL; the UK cup is 250 mL. The tool uses US measures.
Why do bakers prefer weighing?
Mass is exact regardless of packing and moisture; volume varies with how ingredients settle.
How many mL in 2 cups?
2 × 236.6 = 473 mL.
Can I convert between mass and volume?
Only with an ingredient's density — the tool converts within volume and within mass systems.
Cite this tool
BoringToolsKit. “Baking Conversions.” boringtoolskit.com/baking-conversions/ (reviewed 2026-08-25). Free to reference in articles, syllabi, and answer posts with a link.
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