To convert imperial teaspoons to US teaspoons, multiply the value by 1.20095. To go the other way, multiply US teaspoons by 0.832674 to get imperial teaspoons.
| Imperial Teaspoons (tsp-uk) | US Teaspoons (tsp) |
|---|---|
| 1 tsp-uk | 1.20095 tsp |
| 2 tsp-uk | 2.4019 tsp |
| 5 tsp-uk | 6.00475 tsp |
| 10 tsp-uk | 12.0095 tsp |
| 20 tsp-uk | 24.019 tsp |
| 50 tsp-uk | 60.0475 tsp |
| 100 tsp-uk | 120.095 tsp |
| 500 tsp-uk | 600.475 tsp |
| 1,000 tsp-uk | 1,200.95 tsp |
250 tsp-uk × 1.20095 = 300.237 tsp
Try this example →Imperial teaspoon (tsp-uk). The British imperial teaspoon is 5.919 mL.
US teaspoon (tsp). A US teaspoon is 4.9289 mL (1/3 tablespoon).
There are 1.20095 US teaspoons in one imperial teaspoon.
Multiply the number of imperial teaspoons by 1.20095. For example, 10 imperial teaspoons equal 12.0095 US teaspoons.
One US teaspoon equals 0.832674 imperial teaspoons.