138 tsp = 0.0288477 ft³ (Imperial; in US teaspoons: 138 US tsp = 0.0240207 ft³). To convert teaspoons to cubic feet, multiply by 0.0002090413: 138 × 0.0002090413 = 0.0288477.
How to convert teaspoons to cubic feet
ft³ = tsp × 0.0002090413
- 1 tsp = 0.0002090413 ft³ (and 1 ft³ = 4,783.7437 tsp).
- Multiply the amount by the factor: 138 × 0.0002090413 = 0.0288477.
- Answer: 138 tsp = 0.0288477 ft³.
Teaspoons to Cubic Feet table
| Teaspoons (tsp) | Cubic Feet (ft³) |
|---|---|
| 133 tsp | 0.0278025 ft³ |
| 134 tsp | 0.0280115 ft³ |
| 135 tsp | 0.0282206 ft³ |
| 136 tsp | 0.0284296 ft³ |
| 137 tsp | 0.0286387 ft³ |
| 138 tsp | 0.0288477 ft³ |
| 139 tsp | 0.0290567 ft³ |
| 140 tsp | 0.0292658 ft³ |
| 141 tsp | 0.0294748 ft³ |
| 142 tsp | 0.0296839 ft³ |
| 143 tsp | 0.0298929 ft³ |
| tsp | ft³ |
|---|---|
| 1 tsp | 0.000209041 ft³ |
| 5 tsp | 0.00104521 ft³ |
| 10 tsp | 0.00209041 ft³ |
| 50 tsp | 0.0104521 ft³ |
| 100 tsp | 0.0209041 ft³ |
| 1,000 tsp | 0.209041 ft³ |
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: 138 US tsp = 0.0240207 ft³.