Convert 8 gal to m3
8 US gallons = 0.03028329 cubic meters
How to convert US gallons to cubic meters
- Formula:
cubic meters = US gallons × 0.00378541 - Put in the value: 8 US gallons.
- Result: 0.03028329 cubic meters.
US gallons to cubic meters table
| US gallons | cubic meters |
|---|---|
| 1 gal | 0.00378541 m3 |
| 2 gal | 0.00757082 m3 |
| 5 gal | 0.01892706 m3 |
| 8 gal | 0.03028329 m3 |
| 10 gal | 0.03785412 m3 |
| 20 gal | 0.07570824 m3 |
| 50 gal | 0.18927059 m3 |
| 100 gal | 0.37854118 m3 |
| 500 gal | 1.892706 m3 |
| 1,000 gal | 3.785412 m3 |
Converting the other way: cubic meters to US gallons
US gallons = cubic meters × 264.172052. So 0.03028329 cubic meters is back to 8 US gallons; one cubic meter is 264.172052 US gallons. See the cubic meters to US gallons table.
Quick estimate in your head
For a rough answer, multiply by about 0.004: 8 × 0.004 ≈ 0.032 m3, against the exact 0.03028329 m3 (5.7% out). Good enough to check that a calculated result is sensible.
Common mistakes
The usual slip is using the factor the wrong way round. A US gallon is smaller than a cubic meter, so the number of cubic meters must come out smaller than the number of US gallons. If your answer goes the other way, divide instead of multiplying.
About the units
US gallon (gal) and cubic meter (m3) are both units of volume. One US gallon equals 0.00378541 cubic meters, and one cubic meter equals 264.172052 US gallons. Results on this page are rounded for display; the conversion itself uses the exact definitions.
Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.
8 US gallons in other units
The most readable unit for this amount is imperial gallons (6.661393).
How this answer was calculated
The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.
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Questions
How many cubic meters are in 8 US gallons?
0.03028329 cubic meters.
What is the formula to convert US gallons to cubic meters?
cubic meters = US gallons × 0.00378541
How many cubic meters are in one US gallon?
One US gallon is 0.00378541 cubic meters, so multiply any number of US gallons by 0.00378541.
Is 8 gal more than 8 m3?
No. 8 US gallons is 0.03028329 cubic meters, which is less than 8 cubic meters.
How do I convert US gallons to cubic meters in a spreadsheet?
Put the number of US gallons in A1 and type =A1*0.00378541 in the next cell. Fill the formula down to convert a whole column.