Skip to the calculator
Rule Calculator

Convert Cubic millimetres to US tablespoons

1 cubic millimetre is 0.00006763 tbsp. One cubic millimetre is exactly 0.0000676280454037 US tablespoons.

One cubic millimetre is 6.7628 × 10^-5 US tablespoons. To convert cubic millimetres to US tablespoons, multiply by 6.7628 × 10^-5; to go the other way, divide by 6.7628 × 10^-5 or multiply by 14786.765. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. A millionth of a litre, because the millimetre is a thousandth of a metre and volume cubes the factor.

Factor checked against the defining standard · How we check

US tablespoons
0.00006763 tbsp
Cubic millimetres × 6.7628 × 10^-5
1 * 0.00006760 tbsp

1 cubic millimetre in every volume unit

1 cubic millimetre expressed in every volume unit
UnitValueExact factor
US teaspoons0.0002028841362 tsp× 0.000202884136211
US tablespoons0.0000676280454 tbsp× 0.0000676280454037
US fluid ounces0.0000338140227 fl oz× 0.0000338140227018
US cups0.000004226752838 cup× 0.00000422675283773
US pints0.000002113376419 pt× 0.00000211337641887
US quarts0.000001056688209 qt× 0.00000105668820943
US gallons0.0000002641720524 gal× 0.000000264172052358
milliliters0.001 ml× 0.001
liters0.000001 L× 0.000001
imperial gallons0.0000002199692483 gal (UK)× 0.000000219969248299
imperial quarts0.0000008798769932 qt (UK)× 0.000000879876993196
imperial pints0.000001759753986 pt (UK)× 0.00000175975398639
imperial fluid ounces0.00003519507973 fl oz (UK)× 0.0000351950797279
imperial gills0.000007039015946 gi (UK)× 0.00000703901594557
cubic millimetres (as entered)1 mm³—
cubic centimetres0.001 cm³× 0.001
cubic inches0.00006102374409 in³× 0.0000610237440947
cubic feet0.00000003531466672 ft³× 0.0000000353146667215
cubic yards0.000000001307950619 yd³× 0.00000000130795061931
cubic metres0.000000001 m³× 0.000000001

Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.

How do you convert cubic millimetres to US tablespoons? The converter and the working

  1. 1.Take the measurement in cubic millimetres.
  2. 2.Multiply by 6.7628 × 10^-5 — that is how many US tablespoons fit in one cubic millimetre.
  3. 3.To go back the other way, divide by 6.7628 × 10^-5, or multiply by 14786.765.

Worked example: 25 cubic millimetres to US tablespoons

Formula
mm³ × 6.7628 × 10^-5 = tbsp
Arithmetic
25 × 6.7628 × 10^-5 = 0.001691 tbsp
Answer
25 mm³ = 0.001691 tbsp

The factor is rounded for display; the figure above is computed from the full value.

Cubic millimetres to US tablespoons conversion table

Cubic millimetres to US tablespoons conversion table
Cubic millimetresUS tablespoons
1 mm³0.00006763 tbsp
2 mm³0.0001353 tbsp
3 mm³0.0002029 tbsp
4 mm³0.0002705 tbsp
5 mm³0.0003381 tbsp
6 mm³0.0004058 tbsp
7 mm³0.0004734 tbsp
8 mm³0.000541 tbsp
9 mm³0.0006087 tbsp
10 mm³0.0006763 tbsp
12 mm³0.0008115 tbsp
15 mm³0.001014 tbsp
20 mm³0.001353 tbsp
25 mm³0.001691 tbsp
50 mm³0.003381 tbsp
100 mm³0.01 tbsp
200 mm³0.01 tbsp
300 mm³0.02 tbsp
500 mm³0.03 tbsp
1000 mm³0.07 tbsp
2000 mm³0.14 tbsp
5000 mm³0.34 tbsp
10000 mm³0.68 tbsp

What is a cubic millimetre?

A millionth of a litre, because the millimetre is a thousandth of a metre and volume cubes the factor. A microlitre by another name, and the unit injection-moulding shot sizes are quoted in.

What is a US tablespoon?

Three teaspoons, about 14.79 ml. Australia is the outlier at four teaspoons to the tablespoon.

How many US tablespoons are in a cubic millimetre?

One cubic millimetre is 6.7628 × 10^-5 US tablespoons. Going the other way, one US tablespoon is 14786.765 cubic millimetres. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.

Every volume unit here

The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a cubic millimetre.

Source: NIST Handbook 130 — US customary liquid measure

Cite this page

APA
Rule Calculator. (2026). Convert Cubic millimetres to US tablespoons. Rule Calculator. https://rulecalculators.com/convert/cubic-millimeter-to-tablespoon
MLA
"Convert Cubic millimetres to US tablespoons." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/cubic-millimeter-to-tablespoon.
Chicago
Rule Calculator. "Convert Cubic millimetres to US tablespoons." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/cubic-millimeter-to-tablespoon.

The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.

Questions people actually ask

How many US tablespoons are in a cubic millimetre?
6.7628 × 10^-5. Three teaspoons, about 14.79 ml. Australia is the outlier at four teaspoons to the tablespoon.
How do I convert US tablespoons back to cubic millimetres?
Divide by 6.7628 × 10^-5, or multiply by 14786.765 — they are the same operation.

Other volume conversions

US tablespoons to cubic millimetres — the same conversion the other way.

Calculators that work in volume