Volume Converter
Convert volume between units like litres, gallons and cubic metres instantly with this free unit converter in your browser.
Convert volume
Result
0.001
1 Millilitres (mL) = 0.001 Litres (L)
All units
- Millilitres (mL)
- 1
- Litres (L)
- 0.001
- Kilolitres (kL)
- 1.0000e-6
- Cubic metres (m³)
- 1.0000e-6
- Cubic centimetres (cm³)
- 1
- Cubic inches (in³)
- 0.061024
- Cubic feet (ft³)
- 3.5315e-5
- US gallons (gal)
- 0.000264
- Imperial gallons (gal)
- 0.00022
- US quarts (qt)
- 0.001057
- US cups
- 0.004227
- US fluid ounces (fl oz)
- 0.033814
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
How to use this calculator
- Enter the amount you want to convert.
- Choose the unit you have (From) and the unit you want (To).
- Read the result instantly — every other unit is listed too.
How it works
Converts between litres, millilitres, cubic metres (1,000 L) and US/Imperial gallons.
Worked example
1,000 litres. = 1 cubic metre.
Common mistakes
- Confusing US and imperial (UK) gallons — they differ by about 20%.
- Mixing fluid ounces (volume) with ounces (weight).
Frequently asked questions
How many litres in a US gallon?
About 3.785 L; an imperial (UK) gallon is about 4.546 L.
How do I convert mL to litres?
Divide millilitres by 1,000 — 500 mL = 0.5 L.
Is a US gallon the same as a UK gallon?
No — a US gallon is about 3.785 L and a UK (imperial) gallon about 4.546 L. Choose the matching one in the unit list.
How accurate are the conversions?
They use standard conversion factors at full device precision, so they're reliable for everyday and professional use.
Does it work offline and stay private?
Yes — the conversion runs entirely in your browser, with no sign-up and nothing sent to a server.
Related tools
Explore more in Units, Measurement & Converters.
Cite this tool
Zerdly. (2026). Volume Converter. Retrieved from https://www.zerdly.com/tools/volume-converter/
Volume conversion table
How much one of each unit equals in the others — read each row as “1 [row unit] = …”. All values are exact conversions.
| 1 unit = | mm³ | cm³ | mL | litres | m³ | in³ | ft³ | yd³ | km³ | US gallons | UK gallons |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 mm³ | 1 | 0.001 | 0.001 | 0.000001 | 1e-9 | 0.000061 | 3.53e-8 | 1.31e-9 | 1e-18 | 2.64e-7 | 2.2e-7 |
| 1 cm³ | 1,000 | 1 | 1 | 0.001 | 0.000001 | 0.061024 | 0.000035 | 0.000001 | 1e-15 | 0.000264 | 0.00022 |
| 1 mL | 1,000 | 1 | 1 | 0.001 | 0.000001 | 0.061024 | 0.000035 | 0.000001 | 1e-15 | 0.000264 | 0.00022 |
| 1 litres | 1,000,000 | 1,000 | 1,000 | 1 | 0.001 | 61.023744 | 0.035315 | 0.001308 | 1e-12 | 0.264172 | 0.219969 |
| 1 m³ | 1,000,000,000 | 1,000,000 | 1,000,000 | 1,000 | 1 | 61,023.744095 | 35.314667 | 1.307951 | 1e-9 | 264.172052 | 219.969248 |
| 1 in³ | 16,387.064 | 16.387064 | 16.387064 | 0.016387 | 0.000016 | 1 | 0.000579 | 0.000021 | 1.64e-14 | 0.004329 | 0.003605 |
| 1 ft³ | 28,316,846.592 | 28,316.846592 | 28,316.846592 | 28.316847 | 0.028317 | 1,728 | 1 | 0.037037 | 2.83e-11 | 7.480519 | 6.228835 |
| 1 yd³ | 764,554,857.984 | 764,554.857984 | 764,554.857984 | 764.554858 | 0.764555 | 46,656 | 27 | 1 | 7.65e-10 | 201.974026 | 168.178557 |
| 1 km³ | 1e+18 | 1,000,000,000,000,000 | 1,000,000,000,000,000 | 1,000,000,000,000 | 1,000,000,000 | 61,023,744,094,732.29 | 35,314,666,721.48859 | 1,307,950,619.314392 | 1 | 264,172,052,358.1484 | 219,969,248,299.0878 |
| 1 US gallons | 3,785,411.784 | 3,785.411784 | 3,785.411784 | 3.785412 | 0.003785 | 231 | 0.133681 | 0.004951 | 3.79e-12 | 1 | 0.832674 |
| 1 UK gallons | 4,546,090 | 4,546.09 | 4,546.09 | 4.54609 | 0.004546 | 277.419433 | 0.160544 | 0.005946 | 4.55e-12 | 1.20095 | 1 |
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.