Convert Oil Barrel to Cubic Metre

1 oil barrel = 0.1589873 cubic metre (m³). For example, 10 oil barrel = 1.589873 cubic metre and 100 oil barrel = 15.89873 cubic metre. Type any value below to convert oil barrel to cubic metre both ways — it runs entirely in your browser.

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Quick answer: Oil Barrel to Cubic Metre

1 Oil Barrel = 0.1589873 Cubic Metre (bbl → m³). To convert oil barrel to cubic metre, multiply by 0.1589873. To convert cubic metre to oil barrel, multiply by 6.289811. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common oil barrel-to-cubic metre questions.

How to convert Oil Barrel to Cubic Metre

To convert oil barrel to cubic metre, multiply the number of oil barrel by the conversion factor 0.1589873, because 1 bbl = 0.1589873 m³. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 m³ = 6.289811 bbl, so you divide by 0.1589873 (or multiply by 6.289811) to turn cubic metre back into oil barrel.

m³ = bbl × 0.1589873  ·  bbl = m³ × 6.289811

  1. Write down the value you want to convert, in oil barrel.
  2. Multiply it by 0.1589873.
  3. The result is the same area/length/quantity expressed in cubic metre.

Oil Barrel to Cubic Metre — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 oil barrel is 0.7949365 cubic metre because 5 bbl × 0.1589873 = 0.7949365 m³.

Oil BarrelCalculationCubic Metre
1 bbl1 bbl × 0.1589873 = 0.1589873 m³0.1589873 m³
2 bbl2 bbl × 0.1589873 = 0.3179746 m³0.3179746 m³
3 bbl3 bbl × 0.1589873 = 0.4769619 m³0.4769619 m³
5 bbl5 bbl × 0.1589873 = 0.7949365 m³0.7949365 m³
7 bbl7 bbl × 0.1589873 = 1.112911 m³1.112911 m³
10 bbl10 bbl × 0.1589873 = 1.589873 m³1.589873 m³
12 bbl12 bbl × 0.1589873 = 1.907848 m³1.907848 m³
15 bbl15 bbl × 0.1589873 = 2.384809 m³2.384809 m³
20 bbl20 bbl × 0.1589873 = 3.179746 m³3.179746 m³
25 bbl25 bbl × 0.1589873 = 3.974682 m³3.974682 m³
50 bbl50 bbl × 0.1589873 = 7.949365 m³7.949365 m³
100 bbl100 bbl × 0.1589873 = 15.89873 m³15.89873 m³

Common Oil Barrel to Cubic Metre conversions

These are the oil barrel-to-cubic metre values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

  • 1 oil barrel = 0.1589873 cubic metre
  • 2 oil barrel = 0.3179746 cubic metre
  • 2.5 oil barrel = 0.3974682 cubic metre
  • 3 oil barrel = 0.4769619 cubic metre
  • 4 oil barrel = 0.6359492 cubic metre
  • 5 oil barrel = 0.7949365 cubic metre
  • 6 oil barrel = 0.9539238 cubic metre
  • 7 oil barrel = 1.112911 cubic metre
  • 8 oil barrel = 1.271898 cubic metre
  • 9 oil barrel = 1.430886 cubic metre
  • 10 oil barrel = 1.589873 cubic metre
  • 12 oil barrel = 1.907848 cubic metre
  • 15 oil barrel = 2.384809 cubic metre
  • 20 oil barrel = 3.179746 cubic metre
  • 25 oil barrel = 3.974682 cubic metre
  • 30 oil barrel = 4.769619 cubic metre
  • 50 oil barrel = 7.949365 cubic metre
  • 75 oil barrel = 11.92405 cubic metre
  • 100 oil barrel = 15.89873 cubic metre
  • 200 oil barrel = 31.79746 cubic metre
  • 500 oil barrel = 79.49365 cubic metre
  • 1000 oil barrel = 158.9873 cubic metre

Oil Barrel to Cubic Metre conversion chart (both directions)

The chart below converts oil barrel to cubic metre and cubic metre to oil barrel side by side, so it works whichever way you need. 1 oil barrel = 0.1589873 cubic metre, and 1 cubic metre = 6.289811 oil barrel.

Oil Barrel → Cubic MetreCubic Metre → Oil Barrel
0.25 bbl = 0.03974682 m³0.25 m³ = 1.572453 bbl
0.5 bbl = 0.07949365 m³0.5 m³ = 3.144905 bbl
1 bbl = 0.1589873 m³1 m³ = 6.289811 bbl
2 bbl = 0.3179746 m³2 m³ = 12.57962 bbl
3 bbl = 0.4769619 m³3 m³ = 18.86943 bbl
4 bbl = 0.6359492 m³4 m³ = 25.15924 bbl
5 bbl = 0.7949365 m³5 m³ = 31.44905 bbl
6 bbl = 0.9539238 m³6 m³ = 37.73886 bbl
7 bbl = 1.112911 m³7 m³ = 44.02868 bbl
8 bbl = 1.271898 m³8 m³ = 50.31849 bbl
9 bbl = 1.430886 m³9 m³ = 56.6083 bbl
10 bbl = 1.589873 m³10 m³ = 62.89811 bbl
12 bbl = 1.907848 m³12 m³ = 75.47773 bbl
15 bbl = 2.384809 m³15 m³ = 94.34716 bbl
20 bbl = 3.179746 m³20 m³ = 125.7962 bbl
25 bbl = 3.974682 m³25 m³ = 157.2453 bbl
30 bbl = 4.769619 m³30 m³ = 188.6943 bbl
40 bbl = 6.359492 m³40 m³ = 251.5924 bbl
50 bbl = 7.949365 m³50 m³ = 314.4905 bbl
75 bbl = 11.92405 m³75 m³ = 471.7358 bbl
100 bbl = 15.89873 m³100 m³ = 628.9811 bbl
150 bbl = 23.84809 m³150 m³ = 943.4716 bbl
200 bbl = 31.79746 m³200 m³ = 1,257.962 bbl
250 bbl = 39.74682 m³250 m³ = 1,572.453 bbl
500 bbl = 79.49365 m³500 m³ = 3,144.905 bbl
1000 bbl = 158.9873 m³1000 m³ = 6,289.811 bbl

Oil Barrel vs Cubic Metre: which is bigger?

1 bbl1 m³
Relative size of 1 Oil Barrel (bbl) and 1 Cubic Metre (m³).

A cubic metre is the larger unit: one cubic metre equals 6.289811 oil barrels. Put another way, you need 6.289811 oil barrels to make a single cubic metre.

What is a Oil Barrel? History, origin and usage

The 42-gallon oil barrel was fixed in 1866 when early Pennsylvania oil producers meeting in Titusville agreed on a standard, basing it on the roughly 40-gallon whiskey barrel and adding two gallons so any measuring error favoured the buyer. The abbreviation bbl actually predates the petroleum industry, having long been a shipping shorthand for barrels of goods such as fish, rum and whale oil.

The barrel is the global unit for pricing and trading crude oil, with benchmarks such as Brent and West Texas Intermediate quoted in dollars per barrel, and OPEC production set in barrels per day. It is fundamental to the energy industry and financial markets.

Almost no oil is actually shipped in physical 42-gallon barrels today; crude moves through pipelines and tankers, and the barrel survives only as a unit of account. A popular but disputed story links bbl to the blue barrels once used by Standard Oil.

What is a Cubic Metre? History, origin and usage

The cubic metre is the coherent SI unit of volume, built directly from the metre that the French Academy defined in the 1790s as a fraction of the Earth's meridian. As a derived unit it needs no separate definition: it is simply the volume of a cube one metre on each side.

The cubic metre is the standard unit for large volumes: water and natural-gas utility billing, concrete and excavation in construction, freight and shipping-container capacity, and air-handling in HVAC engineering. Scientists and engineers use it as the base volume unit in SI calculations.

A cubic metre of fresh water has a mass of about one tonne, a convenient coincidence rooted in the original definition of the kilogram. The cubic metre is sometimes called a kilolitre, and when used for stacked firewood it is known as the stère.

Convert 1 Oil Barrel to other units

It can help to see a oil barrel next to the other units it is commonly compared with. One oil barrel (bbl) is equal to:

1 Oil Barrel equalsUnit
158,987.3 mLMillilitre
15,898.73 cLCentilitre
158.9873 LLitre
0.1589873 m³Cubic Metre
158,987.3 cm³Cubic Centimetre
9,702 in³Cubic Inch
5.614583 ft³Cubic Foot
42 US galUS Gallon
42 galUS Gallon
168 US qtUS Quart
168 qtUS Quart
336 US ptUS Pint
336 ptUS Pint
5,376 US fl ozUS Fluid Ounce
5,376 fl ozUS Fluid Ounce
5,595.571 imp fl ozImperial Fluid Ounce
10,752 tbspUS Tablespoon
32,256 tspUS Teaspoon
1,344 giUS Gill
4.511677 buUS Bushel
158,987,300 µLMicrolitre
672 US cupUS Cup
5,376 US fl ozUS Fluid Ounce

Convert 1 Cubic Metre to other units

One cubic metre (m³) is equal to:

1 Cubic Metre equalsUnit
1,000,000 mLMillilitre
100,000 cLCentilitre
1,000 LLitre
1,000,000 cm³Cubic Centimetre
61,023.74 in³Cubic Inch
35.31467 ft³Cubic Foot
264.1721 US galUS Gallon
264.1721 galUS Gallon
1,056.688 US qtUS Quart
1,056.688 qtUS Quart
2,113.376 US ptUS Pint
2,113.376 ptUS Pint
33,814.02 US fl ozUS Fluid Ounce
33,814.02 fl ozUS Fluid Ounce
35,195.08 imp fl ozImperial Fluid Ounce
67,628.05 tbspUS Tablespoon
202,884.1 tspUS Teaspoon
8,453.506 giUS Gill
28.37759 buUS Bushel
6.289811 bblOil Barrel
1,000,000,000 µLMicrolitre
4,226.753 US cupUS Cup
33,814.02 US fl ozUS Fluid Ounce

Tips for converting Oil Barrel to Cubic Metre

  • To go from oil barrel to cubic metre, multiply by 0.1589873; to go back, divide by 0.1589873 (or multiply by 6.289811).
  • For a quick mental estimate, remember that 1 oil barrel ≈ 0.1589873 cubic metre, so 10 oil barrel ≈ 1.589873 cubic metre.
  • The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
  • Both fields update live as you type — change either side to convert in that direction.

How to use this Oil Barrel to Cubic Metre converter

Type a number into the Oil Barrel field and the equivalent in Cubic Metre appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Cubic Metre field to convert the other way (cubic metre to oil barrel). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 bbl = 0.1589873 m³), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for oil barrel-to-cubic metre conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Watch the system: a <strong>US</strong> gallon, quart, pint and fluid ounce are <strong>not</strong> the same size as the <strong>imperial (UK)</strong> ones — a US gallon is 3.785 L while an imperial gallon is 4.546 L, and a US fluid ounce (29.57 mL) is slightly larger than an imperial fluid ounce (28.41 mL). The units on this page are labelled US or Imperial so the result is unambiguous.

Frequently asked questions

How many cubic metre are in 1 oil barrel?
1 oil barrel = 0.1589873 cubic metre (m³). To convert any number of oil barrel to cubic metre, multiply by 0.1589873.
How do I convert oil barrel to cubic metre?
Multiply the number of oil barrel by 0.1589873. For example, 10 oil barrel = 10 × 0.1589873 = 1.589873 cubic metre, and 25 oil barrel = 3.974682 cubic metre.
How many oil barrel are in 1 cubic metre?
1 cubic metre = 6.289811 oil barrel. So to convert cubic metre back to oil barrel, multiply by 6.289811.
What is the formula to convert oil barrel to cubic metre?
cubic metre = oil barrel × 0.1589873. The reverse formula is oil barrel = cubic metre × 6.289811.
How much is 100 oil barrel in cubic metre?
100 oil barrel = 15.89873 cubic metre. (And 1000 oil barrel = 158.9873 cubic metre.)
Which is bigger, a oil barrel or a cubic metre?
A cubic metre is larger: 1 cubic metre = 6.289811 oil barrel.
Is this oil barrel to cubic metre converter accurate?
Yes — every value is computed from the exact 0.1589873 m³ per bbl factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert cubic metre to oil barrel too?
Yes. The converter works both ways — enter a value in either field. 1 cubic metre = 6.289811 oil barrel.

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