3.98 tsp ≈ 0.0829167 cup (Imperial; in US cups: 3.98 tsp = 0.0995788 US cup). To convert teaspoons to cups, multiply by 0.020833344: 3.98 × 0.020833344 = 0.0829167.
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: 3.98 × 0.020833344 = 0.0829167.
- Answer: 3.98 tsp ≈ 0.0829167 cup (rounded to 6 significant figures).
Teaspoons to Cups table
| Teaspoons (tsp) | Cups (cup) |
|---|---|
| 3.93 tsp | 0.081875 cup |
| 3.94 tsp | 0.0820834 cup |
| 3.95 tsp | 0.0822917 cup |
| 3.96 tsp | 0.0825 cup |
| 3.97 tsp | 0.0827084 cup |
| 3.98 tsp | 0.0829167 cup |
| 3.99 tsp | 0.083125 cup |
| 4 tsp | 0.0833334 cup |
| 4.01 tsp | 0.0835417 cup |
| 4.02 tsp | 0.08375 cup |
| 4.03 tsp | 0.0839584 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: 3.98 US tsp = 0.0690426 cup.
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 3.98 tsp = 0.0995788 US cup.