tsp to ml converter

1 US teaspoon equals 4.928922 milliliters. Conversions use ml = tsp × 4.9289

tsp → 4.928922 ml

ml = tsp × 4.9289

Converter

Worked examples

1 tsp = 4.928922 ml
2 tsp = 9.857843 ml
5 tsp = 24.644608 ml
10 tsp = 49.289216 ml
100 tsp = 492.892 ml

US teaspoons to milliliters conversion table

tsp	ml	Arithmetic
1 tsp	4.928922 ml	× 4.9289
2 tsp	9.857843 ml	× 4.9289
3 tsp	14.786765 ml	× 4.9289
4 tsp	19.715686 ml	× 4.9289
5 tsp	24.644608 ml	× 4.9289
6 tsp	29.57353 ml	× 4.9289
8 tsp	39.431373 ml	× 4.9289
10 tsp	49.289216 ml	× 4.9289
12 tsp	59.147059 ml	× 4.9289
15 tsp	73.933824 ml	× 4.9289
20 tsp	98.578432 ml	× 4.9289
25 tsp	123.223 ml	× 4.9289
30 tsp	147.868 ml	× 4.9289
40 tsp	197.157 ml	× 4.9289
50 tsp	246.446 ml	× 4.9289
60 tsp	295.735 ml	× 4.9289
70 tsp	345.025 ml	× 4.9289
80 tsp	394.314 ml	× 4.9289
90 tsp	443.603 ml	× 4.9289
100 tsp	492.892 ml	× 4.9289

How to convert tsp to ml

Take your value in US teaspoons.
Multiply by 4.9289
That is your answer in milliliters — no rounding needed until you choose a display precision.

Related conversions

ml to tsp ml to L ml to cup ml to floz ml to tbsp ml to pt ml to qt ml to gal L to ml all volume and cooking units

Questions

How many milliliters in 1 US teaspoon?

Exactly 4.928922 ml. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert tsp to ml?

Multiply the US teaspoons figure by 4.9289 — or use the converter above, which updates as you type.

Is tsp to ml the same as ml to tsp?

No — they are inverses. One tsp is 4.928922 ml, while one ml is 0.20288414 tsp.

What is 1 tsp in ml?

1 tsp = 4.928922 ml (see the value page for the full arithmetic).