This converter turns cubic meters into oil barrels instantly, using the exact factor 1 cubic meter = 6.28981077 oil barrels. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
One thousand litres, the SI-derived unit for large volumes like water tanks and gas supply. The petroleum barrel: 42 US gallons, the global oil trading unit.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
cubic meters- The amount you are converting, measured in cubic meters
6.28981077- The exact number of oil barrels in one cubic meter
oil barrels- The converted result
How it works, step by step
- Enter the number of cubic meters you want to convert.
- The value is multiplied by 6.28981077, the exact conversion factor.
- The result is displayed in oil barrels, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 cubic meters
Multiply 5 by 6.2898108. That gives 31.4491 oil barrels. A quick sanity check: one cubic meter is larger than one oil barrel, so the number should get bigger — and it does.
Converting 72 cubic meters
72 × 6.2898108 = 452.8664 oil barrels. Working backwards, 452.8664 ÷ 6.2898108 returns 72 cubic meters, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many oil barrels are in one cubic meter?
Exactly 6.28981077. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert cubic meters to oil barrels?
Oil Barrels = cubic meters × 6.28981077. To reverse it, divide instead: cubic meters = oil barrels ÷ 6.28981077, which is the same as multiplying by 0.1589872949.
Is the cubic meter bigger than the oil barrel?
Yes. One cubic meter equals 6.28981 oil barrels, so it is the larger unit.
Why does my answer differ slightly from other cubic-meters to oil-barrels converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a cubic meter?
One thousand litres, the SI-derived unit for large volumes like water tanks and gas supply.
What is a oil barrel?
The petroleum barrel: 42 US gallons, the global oil trading unit.
Cubic Meters to oil barrels reference table
| Cubic Meters | Oil Barrels |
|---|---|
| 0.5 m³ | 3.1449 bbl |
| 1 m³ | 6.2898 bbl |
| 2 m³ | 12.5796 bbl |
| 3 m³ | 18.8694 bbl |
| 5 m³ | 31.4491 bbl |
| 10 m³ | 62.8981 bbl |
| 15 m³ | 94.3472 bbl |
| 20 m³ | 125.7962 bbl |
| 25 m³ | 157.2453 bbl |
| 50 m³ | 314.4905 bbl |
| 75 m³ | 471.7358 bbl |
| 100 m³ | 628.9811 bbl |
| 250 m³ | 1,572.45 bbl |
| 500 m³ | 3,144.91 bbl |
| 1000 m³ | 6,289.81 bbl |
Exact factor: 1 cubic meter = 6.28981077 oil barrels. Values rounded for display.