teaspoon → US cup | Converter
Convert teaspoon to US cup with the formula below. 1 tsp ≈ 0.0208333333333 cup
Quick Insight
1 teaspoon = 0.020833 US cup
3 tsp ≈ 0.0625 cup. Follow the definition stated by the recipe or label; do not silently replace it with another cup convention.
Rounded factors
Relative rounding difference; not measurement uncertainty.
Visual Comparisons
Mathematical Facts
Convert teaspoon to US cup with the formula below. cup ≈ tsp × 0.0208333333333. 1 tsp ≈ 0.00492892159375 L; 1 cup ≈ 0.2365882365 L Cup means the US customary cup (236.5882365 mL), not a 250 mL metric cup, a 240 mL labeling cup or a household glass. US customary liquid measures are used. US teaspoons express small additions of recipe liquids without treating every spoon as the same size. US customary cups let a recipe quantity be expressed as repeatable measuring-cup volumes.
Why This Conversion Matters
Translate a liquid ingredient quantity into the measuring units available for the recipe. The worked amounts show the same volume before and after conversion. The calculator uses the full stored factor and rounds displayed results to 12 significant digits. Display precision is not a guarantee of measurement accuracy.
Real-World Examples
Liquid recipe scaling
Compare 3 US teaspoons of a liquid ingredient with 6 teaspoons after doubling the recipe. Translate a liquid ingredient quantity into the measuring units available for the recipe. The worked amounts show the same volume before and after conversion.
Examples:
- 3 tsp ≈ 0.0625 cup
- 6 tsp ≈ 0.125 cup
Pro Tips:
- ✓Scale the whole recipe quantity first, convert once, then choose a suitable marked measuring vessel.
Quick Reference Table
| teaspoons | US cups |
|---|---|
| 10 tsp | 0.208333333333 cup |
| 50 tsp | 1.04166666667 cup |
| 100 tsp | 2.08333333333 cup |
| 500 tsp | 10.4166666667 cup |
| 1,000 tsp | 20.8333333333 cup |
Formula: cup = tsp × conversion factor
Common Mistakes to Avoid
Treating 240 mL or 250 mL as this calculator’s US cup
The US customary cup here is 236.5882365 mL. A 240 mL labeling cup and a 250 mL metric cup represent different volumes.
✓ Follow the definition stated by the recipe or label; do not silently replace it with another cup convention. 1 tsp ≈ 0.0208333333333 cup.
Pro Tips
- ✓Keep tsp and tbsp distinct: 3 US teaspoons equal 1 US tablespoon.
- ✓Check the cup definition: 236.5882365 mL here, rather than a 250 mL metric cup or a household glass.
- ✓Scale the whole recipe quantity first, convert once, then choose a suitable marked measuring vessel.
Frequently Asked Questions
How do I calculate the conversion?
cup ≈ tsp × 0.0208333333333. 1 tsp ≈ 0.00492892159375 L; 1 cup ≈ 0.2365882365 L Cup means the US customary cup (236.5882365 mL), not a 250 mL metric cup, a 240 mL labeling cup or a household glass. US customary liquid measures are used.
What is an example?
1 tsp ≈ 0.0208333333333 cup; 10 tsp ≈ 0.208333333333 cup; 100 tsp ≈ 2.08333333333 cup
teaspoon → US cup: What do the worked quantities look like?
3 tsp ≈ 0.0625 cup; 6 tsp ≈ 0.125 cup. Scale the whole recipe quantity first, convert once, then choose a suitable marked measuring vessel.
Which definition or measurement error should I check?
The US customary cup here is 236.5882365 mL. A 240 mL labeling cup and a 250 mL metric cup represent different volumes. Follow the definition stated by the recipe or label; do not silently replace it with another cup convention.
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