6.66 tsp ≈ 0.13875 cup (Imperial; in US cups: 6.66 tsp = 0.166632 US cup). To convert teaspoons to cups, multiply by 0.020833344: 6.66 × 0.020833344 = 0.13875.
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: 6.66 × 0.020833344 = 0.13875.
- Answer: 6.66 tsp ≈ 0.13875 cup (rounded to 6 significant figures).
Teaspoons to Cups table
| Teaspoons (tsp) | Cups (cup) |
|---|---|
| 6.61 tsp | 0.137708 cup |
| 6.62 tsp | 0.137917 cup |
| 6.63 tsp | 0.138125 cup |
| 6.64 tsp | 0.138333 cup |
| 6.65 tsp | 0.138542 cup |
| 6.66 tsp | 0.13875 cup |
| 6.67 tsp | 0.138958 cup |
| 6.68 tsp | 0.139167 cup |
| 6.69 tsp | 0.139375 cup |
| 6.7 tsp | 0.139583 cup |
| 6.71 tsp | 0.139792 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: 6.66 US tsp = 0.115534 cup.
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 6.66 tsp = 0.166632 US cup.