138 mL ≈ 23.3132 tsp (Imperial; in US teaspoons: 138 mL = 27.998 US tsp). To convert millilitres to teaspoons, multiply by 0.16893639: 138 × 0.16893639 = 23.3132.
How to convert millilitres to teaspoons
tsp = mL × 0.16893639
- 1 mL = 0.16893639 tsp (and 1 tsp = 5.9193877 mL).
- Multiply the amount by the factor: 138 × 0.16893639 = 23.3132.
- Answer: 138 mL ≈ 23.3132 tsp (rounded to 6 significant figures).
Millilitres to Teaspoons table
| Millilitres (mL) | Teaspoons (tsp) |
|---|---|
| 133 mL | 22.4685 tsp |
| 134 mL | 22.6375 tsp |
| 135 mL | 22.8064 tsp |
| 136 mL | 22.9753 tsp |
| 137 mL | 23.1443 tsp |
| 138 mL | 23.3132 tsp |
| 139 mL | 23.4822 tsp |
| 140 mL | 23.6511 tsp |
| 141 mL | 23.82 tsp |
| 142 mL | 23.989 tsp |
| 143 mL | 24.1579 tsp |
| mL | tsp |
|---|---|
| 1 mL | 0.168936 tsp |
| 5 mL | 0.844682 tsp |
| 10 mL | 1.6894 tsp |
| 50 mL | 8.4468 tsp |
| 100 mL | 16.8936 tsp |
| 1,000 mL | 168.936 tsp |
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 mL = 27.998 US tsp.