Cubic Meters to Gallons (US) Converter
Quick answer: To convert Cubic Meters to gallons, multiply by 264.1721. For example, 10 m³ is 2,641.721 gal. One cubic meter equals 264.1721 gal.
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Use the Cubic Meters to Gallons (US) Converter
Cubic Meters to Gallons (US) formula and what each symbol means
gal = m³ × 264.1721
| Symbol | Meaning |
|---|---|
| m³ | Cubic meter |
| gal | US gallon |
Cubic Meters to Gallons (US) examples
1 m³
1 m³ × 264.1721 = 264.1721 gal.
10 m³
10 m³ × 264.1721 = 2,641.721 gal.
100 m³
100 m³ × 264.1721 = 26,417.21 gal.
Cubic Meters compared with Gallons (US)
One m³ is 264.2 times as large as one gal, so your number gets bigger when you convert Cubic Meters to gallons and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About Cubic Meters and gallons
Cubic meter (m³): The SI unit of volume, equal to 1,000 litres. US gallon (gal): The US liquid gallon, exactly 231 cubic inches or 3.785411784 litres.
Where Cubic Meters to gallons conversions are used
Cooking and baking move between millilitres, cups, tablespoons and fluid ounces. Fuel, milk and bottled drinks are sold in litres or gallons depending on the country.
How to calculate Cubic Meters to Gallons (US) step by step
- Enter the value in m³ (the starting unit).
- Multiply by 264.1721, because 1 m³ = 264.1721 gal.
- The product is the value in gal. To go back, divide by 264.1721 or multiply by 0.003785412.
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How to read your Cubic Meters to Gallons (US) result
Quick estimate: multiply by about 260 to get gallons from Cubic Meters; this is within 1.6% of the exact factor. US and imperial volume units differ, so always check which gallon, pint or fluid ounce you mean.
| CUBIC METERS | GALLONS (US) |
|---|---|
| 1 | 264.1721 |
| 2 | 528.3441 |
| 5 | 1,320.86 |
| 10 | 2,641.721 |
| 20 | 5,283.441 |
| 50 | 13,208.6 |
| 100 | 26,417.21 |
| 1,000 | 264,172.1 |
Gallons (US) to Cubic Meters: quick table
| GALLONS (US) | CUBIC METERS |
|---|---|
| 1 | 0.003785412 |
| 5 | 0.01892706 |
| 10 | 0.03785412 |
| 25 | 0.09463529 |
| 50 | 0.1892706 |
| 100 | 0.3785412 |
| 250 | 0.9463529 |
| 500 | 1.892706 |
Common mistakes when calculating Cubic Meters to Gallons (US)
- Using a US gallon where an imperial (UK) gallon is meant, which causes a 20% error.
- Dividing when you should multiply: from m³ to gal multiply by 264.1721; from gal to m³ divide by 264.1721.
Cubic Meters to Gallons (US) FAQ
How many gal are in 1 m³?
1 m³ equals 264.1721 gal.
How many m³ are in 1 gal?
1 gal equals 0.003785412 m³.
Is 1 m³ = 264.1721 gal an exact conversion?
Yes. The cubic meter and the us gallon are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 264.1721 is just that ratio shown to 7 significant figures.
What is a cubic meter (m³)?
The SI unit of volume, equal to 1,000 litres.
How can I estimate Cubic Meters to gallons in my head?
Quick estimate: multiply by about 260 to get gallons from Cubic Meters; this is within 1.6% of the exact factor.
What is 200 m³ in gallons?
200 m³ = 52,834.41 gal (since 200 × 264.1721).
What is 3 m³ in gallons?
3 m³ = 792.5162 gal (since 3 × 264.1721).
What is 30 m³ in gallons?
30 m³ = 7,925.162 gal (since 30 × 264.1721).
How many decimals should I keep when converting m³ to gal?
Match the precision of your original measurement. For example, 2,641.721 gal rounds to 2,640 gal at 3 significant figures; keep more digits only for engineering or scientific work.
More in Volume converters
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, NIST Handbook 44, Appendix C: units and systems of measurement