How many mL is 3 tsp?
3 tsp = 15 mL
It is 15 mL, so saying 15 mL is fine — rounding is within 0.5%.
And how many tsp is 3 mL?
3 mL = 0.6 tsp
Formula: mL = tsp × 5
tsp to mL around this value
1.2 tsp6mL
1.4 tsp7mL
1.6 tsp8mL
1.8 tsp9mL
2 tsp10mL
2.2 tsp11mL
2.4 tsp12mL
2.6 tsp13mL
2.8 tsp14mL
3 tsp15mL
3.2 tsp16mL
3.4 tsp17mL
3.6 tsp18mL
3.8 tsp19mL
4 tsp20mL
4.2 tsp21mL
4.4 tsp22mL
4.6 tsp23mL
4.8 tsp24mL
5 tsp25mL