0.138 tsp ≈ 0.002875 cup (Imperial; in US cups: 0.138 tsp = 0.00345273 US cup). To convert teaspoons to cups, multiply by 0.020833344: 0.138 × 0.020833344 = 0.002875.
How to convert teaspoons to cups
cup = tsp × 0.020833344
- 1 tsp = 0.020833344 cup (and 1 cup = 47.999976 tsp).
- Multiply the amount by the factor: 0.138 × 0.020833344 = 0.002875.
- Answer: 0.138 tsp ≈ 0.002875 cup (rounded to 6 significant figures).
Teaspoons to Cups table
| Teaspoons (tsp) | Cups (cup) |
|---|---|
| 0.133 tsp | 0.00277083 cup |
| 0.134 tsp | 0.00279167 cup |
| 0.135 tsp | 0.0028125 cup |
| 0.136 tsp | 0.00283333 cup |
| 0.137 tsp | 0.00285417 cup |
| 0.138 tsp | 0.002875 cup |
| 0.139 tsp | 0.00289583 cup |
| 0.14 tsp | 0.00291667 cup |
| 0.141 tsp | 0.0029375 cup |
| 0.142 tsp | 0.00295833 cup |
| 0.143 tsp | 0.00297917 cup |
| tsp | cup |
|---|---|
| 1 tsp | 0.0208333 cup |
| 5 tsp | 0.104167 cup |
| 10 tsp | 0.208333 cup |
| 50 tsp | 1.0417 cup |
| 100 tsp | 2.0833 cup |
| 1,000 tsp | 20.8333 cup |
Good to know
The tsp here is the Imperial (UK) teaspoon: 1 tsp = 0.00591939 L. A US teaspoon is 0.00492892 L.
In US teaspoons: 0.138 US tsp = 0.00239394 cup.
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 0.138 tsp = 0.00345273 US cup.