1 tsp to cup
1 teaspoon in US cups
1 tsp = 0.020833 cup
cup = tsp × 1/48
1 teaspoon is 0.020833 US cups. To get there, multiply by 0.02083333333.
Values either side
| Teaspoons | US cups |
|---|---|
| 0.5 tsp | 0.010417 |
| 1 tsp ← | 0.020833 |
| 1.5 tsp | 0.03125 |
| 2 tsp | 0.041667 |
| 2.5 tsp | 0.052083 |
| 3 tsp | 0.0625 |
How the conversion works
The relationship is cup = tsp × 1/48. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.
US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL.
Common questions
- What is 1 tsp in US cups?
- 1 tsp is 0.020833 cup.
- How do you convert teaspoons to US cups?
- Multiply by 0.02083333333.
Related pages
- Teaspoons to US cups Full table and converter
- 1 cup to tsp The other direction
- 0.5 tsp to cup 0.010417 cup
- 1.5 tsp to cup 0.03125 cup
- 2 tsp to cup 0.041667 cup
- 2.5 tsp to cup 0.052083 cup
- 3 tsp to cup 0.0625 cup
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place