How to Convert Cubic centimetres to Millilitres (cm³ to ml)

Updated 5 Oct 2026 in Unit Converters

Volume conversions help with baking from American recipes, comparing petrol prices quoted per gallon abroad with pump prices per litre here, and reading PUB water bills in cubic metres. This guide shows how to convert cubic centimetres into millilitres by hand, with examples and a quick-reference table.

The conversion

To convert cubic centimetres to millilitres, multiply the value by 1. To go the other way, divide by the same number (or multiply by 1). For a quick estimate, multiply by about 1.

Millilitres = cubic centimetres × 1

Worked examples

Cubic centimetres to Millilitres table

Cubic centimetresMillilitres
1 cm³1 ml
2 cm³2 ml
5 cm³5 ml
10 cm³10 ml
20 cm³20 ml
25 cm³25 ml
50 cm³50 ml
100 cm³100 ml
250 cm³250 ml
500 cm³500 ml
1,000 cm³1,000 ml

Common questions

Is cm³ to ml exact?

The factors used here are the internationally defined values where they exist; results are rounded for display only.

How do I convert back?

Use the Millilitres to Cubic centimetres converter.

Mistakes to avoid

Mixing similar-sounding units

US and imperial gallons, pints and tons are different sizes, and decimal kilobytes differ from binary kibibytes.

Rounding the factor too early

Using 3 instead of 3.28 for feet per metre introduces an error of almost 9% before you have started.

Multiplying when you should divide

Converting to a smaller unit gives a bigger number, and converting to a larger unit gives a smaller one. If your answer moves the wrong way, you have inverted the factor.

Background

Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.

A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.

Singapore adopted the metric system in the 1970s, replacing imperial units and traditional Chinese measures in most official uses. Metric units are now standard in schools, trade and government, but older units survive in property, markets and imported goods.

For any value, use the Cubic centimetres to Millilitres Converter or browse all volume converters.

Run your own numbers: Cubic centimetres to Millilitres Converter

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