US teaspoons to Milliliters

1 tsp ≈ 4.929 mL. Edit either value to convert instantly.

Value

From

To

1 tsp≈mL

= 0 cup + 0 tbsp + 1 tsp

Decimal places

Conversion formula

mL = tsp × (0.00492892159375) × (1,000)

1 tsp ≈ 4.92892 mL

US teaspoon (tsp)

A US teaspoon is exactly 4.92892159375 mL; a metric teaspoon is commonly 5 mL.

Source: NIST SP 811, Appendix B.9 — conversion factors

milliliter (mL)

One milliliter equals exactly 0.001 L.

Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units

Conversion table

tsp	mL
1	≈ 4.92892
2	≈ 9.85784
	≈ 24.6446
	≈ 49.2892
	≈ 73.9338
	≈ 98.5784
	≈ 123.223
	≈ 147.868
	≈ 197.157
	≈ 221.801

tsp	mL
	≈ 246.446
	≈ 295.735
	≈ 345.025
	≈ 394.314
	≈ 443.603
	≈ 492.892
	≈ 739.338
	≈ 788.627
	≈ 837.917
	≈ 887.206

Frequently asked questions

How many milliliters are in 1 US teaspoon?

1 tsp ≈ 4.929 mL. mL = tsp × (0.00492892159375) × (1,000)

How do I convert tsp to mL?

mL = tsp × (0.00492892159375) × (1,000)

Is 1 US teaspoon bigger than 1 milliliter?

1 tsp ≈ 4.929 mL.

Related conversions

Reverse conversion: milliliters to US teaspoons US customary cups to US fluid ounces US liquid gallons to US fluid ounces US fluid ounces to milliliters milliliters to US fluid ounces liters to US liquid gallons

Common values

0.25 tsp 0.3333 tsp 0.5 tsp 0.6667 tsp 0.75 tsp 1 tsp 1.5 tsp 2 tsp 3 tsp 4 tsp

All quantities