How to use this volume converter
Convert a measurement in either direction
- Enter the numeric volume, select its current unit under From unit, and choose the unit you need under To unit. Select Convert volume to calculate. If the units are reversed, Swap units exchanges them and converts the same value again. The result card shows the formatted answer, the source value, and the conversion factor used. Copy result places that complete statement on the clipboard so the number keeps its unit and context.
- The seven supported choices are litres (L), millilitres (mL), centilitres (cL), cubic metres (m³), cubic centimetres (cm³), cubic feet (ft³), and cubic inches (in³). The calculator is useful for storage capacity, packaging, classroom work, workshop dimensions, and checking specifications that use a different unit system. It converts an existing volume only: it does not derive volume from length, width, height, or a container shape.
How the conversion works
Every input is first related to one cubic metre, then expressed in the target unit. One litre is exactly 0.001 m³, one millilitre and one cubic centimetre are each 0.000001 m³, and one centilitre is 0.00001 m³. This also explains the metric relationships: 1 L = 100 cL = 1,000 mL = 1,000 cm³, while 1 m³ = 1,000 L.
Imperial cubic units use the international definitions of length. One inch is exactly 0.0254 metre and one foot is 12 inches, so the length factor is cubed for volume. Therefore 1 in³ = 16.387064 cm³ and 1 ft³ = 1,728 in³ = 28.316846592 L. A cubic conversion is not the same as a length conversion: doubling every side of a box multiplies its volume by eight, not two.
Worked examples
Example 1 — convert 2.5 litres to millilitres. Choose L and mL. Because one litre contains 1,000 millilitres, 2.5 × 1,000 gives 2,500 mL. The same quantity is also 2,500 cm³ because one millilitre equals one cubic centimetre.
Example 2 — convert 3 cubic feet to litres. Choose ft³ and L. Multiplying 3 by 28.316846592 gives 84.950539776 L, displayed as 84.95 L. The calculation keeps the fuller internal value; the display is rounded only at the end. Swapping the units and converting the unrounded value returns approximately 3 ft³.
Example 3 — convert 0.001 cubic inch to cubic centimetres. The result is 0.016387064 cm³, shown compactly as 0.0163871 cm³ so the small positive quantity does not disappear as zero. Scientific notation is used only when a value is too small or large for a readable ordinary display.
Input, precision, and practical limits
Zero is valid, but a negative volume is not. Use a point for decimals in every language and omit grouping separators and unit symbols; enter 1.5 rather than 1,5 or 1.5 L. Scientific notation such as 2.4e-7 is accepted for very small measurements. Blank, malformed, negative, and numerically overflowing values produce a message beside the input without deleting what you typed.
Ordinary results use at most two decimal places and remove unnecessary trailing zeros. Values below 0.01 use enough significant digits to stay meaningful, and extremely small or large results use compact E notation. The conversion is computed before this formatting, so a displayed rounded number is not reused as an intermediate result. Physical measurements may have less accuracy than the mathematical conversion factor; preserve the source measurement’s appropriate significant figures in formal work.
This tool does not convert mass to volume. Kilograms, grams, material density, temperature effects, liquid measures such as gallons or cups, and geometric shape calculations are outside this page. For purchasing, engineering, medication, or safety-critical work, confirm the required unit standard and tolerances with the relevant specification or professional source.
Using the result
Copy result includes both unit symbols and the factor statement, which is safer than copying an unlabeled number. Paste it into notes, a worksheet, an estimate, or a specification, then retain the original source value for traceability. No history or cloud record is created, so save the copied result before closing the tab if you need it later.
Frequently asked questions
Are millilitres and cubic centimetres equal?
Yes. By definition, 1 mL equals 1 cm³. The labels describe the same volume in two commonly used forms.
Why is the length factor cubed?
Volume has three dimensions. Since 1 ft = 12 in, one cubic foot contains 12 × 12 × 12 = 1,728 cubic inches.
Can I convert litres to kilograms?
No. That requires the material’s density and sometimes its temperature. This page deliberately converts volume units only.
Why does my result show more than two decimal places?
A very small positive value would become zero at two decimal places. The converter keeps a few significant digits or uses E notation so the result remains useful.
Does swapping units reverse the calculation?
Yes. Swap exchanges the From and To selections and recalculates the entered value. Small differences after a manual round trip can come from re-entering a rounded display rather than the internal result.
All volume conversion tables · 42 combinations
conversions from Litres (L) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Litres to Millilitres (L to mL) | mL ≈ L × 1000 | 1 L ≈ 1000 mL |
| Litres to Centilitres (L to cL) | cL = L × 100 | 1 L = 100 cL |
| Litres to Cubic metres (L to m³) | m³ = L × 0.001 | 10 L = 0.01 m³ |
| Litres to Cubic centimetres (L to cm³) | cm³ ≈ L × 1000 | 1 L ≈ 1000 cm³ |
| Litres to Cubic feet (L to ft³) | ft³ ≈ L × 0.03531466672 | 1 L ≈ 0.03531466672 ft³ |
| Litres to Cubic inches (L to in³) | in³ ≈ L × 61.02374409 | 1 L ≈ 61.02374409 in³ |
conversions from Millilitres (mL) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Millilitres to Litres (mL to L) | L = mL × 0.001 | 10 mL = 0.01 L |
| Millilitres to Centilitres (mL to cL) | cL ≈ mL × 0.1 | 1 mL ≈ 0.1 cL |
| Millilitres to Cubic metres (mL to m³) | m³ = mL × 0.000001 | 10000 mL = 0.01 m³ |
| Millilitres to Cubic centimetres (mL to cm³) | cm³ = mL × 1 | 1 mL = 1 cm³ |
| Millilitres to Cubic feet (mL to ft³) | ft³ ≈ mL × 0.00003531466672 | 1000 mL ≈ 0.03531466672 ft³ |
| Millilitres to Cubic inches (mL to in³) | in³ ≈ mL × 0.06102374409 | 1 mL ≈ 0.06102374409 in³ |
conversions from Centilitres (cL) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Centilitres to Litres (cL to L) | L = cL × 0.01 | 1 cL = 0.01 L |
| Centilitres to Millilitres (cL to mL) | mL ≈ cL × 10 | 1 cL ≈ 10 mL |
| Centilitres to Cubic metres (cL to m³) | m³ = cL × 0.00001 | 1000 cL = 0.01 m³ |
| Centilitres to Cubic centimetres (cL to cm³) | cm³ ≈ cL × 10 | 1 cL ≈ 10 cm³ |
| Centilitres to Cubic feet (cL to ft³) | ft³ ≈ cL × 0.0003531466672 | 100 cL ≈ 0.03531466672 ft³ |
| Centilitres to Cubic inches (cL to in³) | in³ ≈ cL × 0.6102374409 | 1 cL ≈ 0.6102374409 in³ |
conversions from Cubic metres (m³) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Cubic metres to Litres (m³ to L) | L = m³ × 1000 | 1 m³ = 1000 L |
| Cubic metres to Millilitres (m³ to mL) | mL = m³ × 1000000 | 1 m³ = 1000000 mL |
| Cubic metres to Centilitres (m³ to cL) | cL ≈ m³ × 100000 | 1 m³ ≈ 100000 cL |
| Cubic metres to Cubic centimetres (m³ to cm³) | cm³ = m³ × 1000000 | 1 m³ = 1000000 cm³ |
| Cubic metres to Cubic feet (m³ to ft³) | ft³ ≈ m³ × 35.31466672 | 1 m³ ≈ 35.31466672 ft³ |
| Cubic metres to Cubic inches (m³ to in³) | in³ ≈ m³ × 61023.74409 | 1 m³ ≈ 61023.74409 in³ |
conversions from Cubic centimetres (cm³) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Cubic centimetres to Litres (cm³ to L) | L = cm³ × 0.001 | 10 cm³ = 0.01 L |
| Cubic centimetres to Millilitres (cm³ to mL) | mL = cm³ × 1 | 1 cm³ = 1 mL |
| Cubic centimetres to Centilitres (cm³ to cL) | cL ≈ cm³ × 0.1 | 1 cm³ ≈ 0.1 cL |
| Cubic centimetres to Cubic metres (cm³ to m³) | m³ = cm³ × 0.000001 | 10000 cm³ = 0.01 m³ |
| Cubic centimetres to Cubic feet (cm³ to ft³) | ft³ ≈ cm³ × 0.00003531466672 | 1000 cm³ ≈ 0.03531466672 ft³ |
| Cubic centimetres to Cubic inches (cm³ to in³) | in³ ≈ cm³ × 0.06102374409 | 1 cm³ ≈ 0.06102374409 in³ |
conversions from Cubic feet (ft³) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Cubic feet to Litres (ft³ to L) | L ≈ ft³ × 28.31684659 | 1 ft³ ≈ 28.31684659 L |
| Cubic feet to Millilitres (ft³ to mL) | mL ≈ ft³ × 28316.84659 | 1 ft³ ≈ 28316.84659 mL |
| Cubic feet to Centilitres (ft³ to cL) | cL ≈ ft³ × 2831.684659 | 1 ft³ ≈ 2831.684659 cL |
| Cubic feet to Cubic metres (ft³ to m³) | m³ ≈ ft³ × 0.02831684659 | 1 ft³ ≈ 0.02831684659 m³ |
| Cubic feet to Cubic centimetres (ft³ to cm³) | cm³ ≈ ft³ × 28316.84659 | 1 ft³ ≈ 28316.84659 cm³ |
| Cubic feet to Cubic inches (ft³ to in³) | in³ ≈ ft³ × 1728 | 1 ft³ ≈ 1728 in³ |
conversions from Cubic inches (in³) · 6 combinations
| Conversion direction | Formula | Example |
|---|---|---|
| Cubic inches to Litres (in³ to L) | L = in³ × 0.016387064 | 1 in³ = 0.016387064 L |
| Cubic inches to Millilitres (in³ to mL) | mL = in³ × 16.387064 | 1 in³ = 16.387064 mL |
| Cubic inches to Centilitres (in³ to cL) | cL ≈ in³ × 1.6387064 | 1 in³ ≈ 1.6387064 cL |
| Cubic inches to Cubic metres (in³ to m³) | m³ = in³ × 0.000016387064 | 1000 in³ = 0.016387064 m³ |
| Cubic inches to Cubic centimetres (in³ to cm³) | cm³ = in³ × 16.387064 | 1 in³ = 16.387064 cm³ |
| Cubic inches to Cubic feet (in³ to ft³) | ft³ ≈ in³ × 0.0005787037037 | 100 in³ ≈ 0.05787037037 ft³ |