An oil barrel is 42 US gallons.
Oil barrels to Metric cups Converter — bbl to metric cup
Convert Oil barrel (bbl) to Metric cup (metric cup) using the exact conversion factor (1 oil barrel = 635.9491797 metric cup). See the formula, worked examples, conversion table, history, and common uses.
Oil barrels to Metric cups converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
A metric cup is 250 milliliters.
Result = input x 0.1589872949 / 0.00025.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Oil barrels to Metric cups
Oil barrel and Metric cup appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: An oil barrel is 42 US gallons, and a metric cup is 250 milliliters.
Formula
metric cups = oil barrels × 635.949179712
This factor comes from each unit's defined relationship to the category's base unit: 1 oil barrel equals 0.158987294928 base units, and 1 metric cup equals 0.00025 base units, so dividing one by the other gives the direct oil barrel-to-metric cup factor of 635.949179712.
Simple example
1 bbl × 635.9491797 = 635.9491797 metric cup
1 oil barrel = 635.9491797 metric cups.
Real-world example
10 bbl × 635.9491797 = 6,359.491797 metric cup
10 oil barrels = 6,359.491797 metric cups.
Conversion table
| Oil barrel (bbl) | Metric cup (metric cup) |
|---|---|
| 1 bbl | 635.9491797 metric cup |
| 5 bbl | 3,179.745899 metric cup |
| 10 bbl | 6,359.491797 metric cup |
| 25 bbl | 15,898.72949 metric cup |
| 50 bbl | 31,797.45899 metric cup |
| 100 bbl | 63,594.91797 metric cup |
Reverse conversion: Metric cup to Oil barrel
635.9491797 metric cup × 0.001572452693 = 1 bbl
635.9491797 metric cups = 1 oil barrels.
oil barrels = metric cups × 0.00157245269261
For a page dedicated to this direction, see Metric cup to Oil barrel.
Understanding the Oil barrel (bbl)
An oil barrel is 42 US gallons.
Understanding the Metric cup
Metric cup (metric cup) measures volume. The metric cup used in Australia, New Zealand, the UK, and Canada is defined as exactly 250 milliliters. It is classified as a Non-SI unit (culinary, metric countries).
Where it's used: Australia, New Zealand, United Kingdom, Canada (recipes and cooking measurement)
Metric cup vs. US cup. The metric cup (250 mL) is about 4% larger than the US cooking cup (240 mL) — small for most recipes, but worth checking when following a recipe from a different country.
Uses of the Metric cup today
- Recipe and cooking measurement in metric-using English-speaking countries
- Baking and portion measurement
History of the Metric cup
As Commonwealth countries metricated through the 20th century, cookbook publishers and standards bodies adopted a round 250 mL 'metric cup' so recipes could use a convenient, easily-scaled volume rather than the US's 240 mL or older imperial teacup conventions.
Historical origin. Metric cup was not the invention of a single named person; it developed through the process described above.
Metric cup — sources
- National Measurement Institute (Australia) — Kitchen measures — Documents the 250 mL metric cup standard.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many metric cups are in 1 oil barrel?
1 oil barrel equals 635.9491797 metric cups, using the exact defined conversion factor rather than an estimate.
How do I convert oil barrel to metric cup?
Multiply the oil barrel value by 635.9491797. The converter above does this instantly to whatever precision you set.
How do I convert metric cup back to oil barrel?
Use the reverse factor: 1 metric cup equals 0.0015724527 oil barrels. You can also use the swap control in the converter above to flip the direction instantly.
What is a oil barrel?
Oil barrel (bbl) is a unit of volume.
What is a metric cup?
Metric cup (metric cup) measures volume. The metric cup used in Australia, New Zealand, the UK, and Canada is defined as exactly 250 milliliters. It is classified as a Non-SI unit (culinary, metric countries).
Is the oil barrel to metric cup conversion exact?
Yes. The metric cup used in Australia, New Zealand, the UK, and Canada is defined as exactly 250 milliliters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between metric cup vs. us cup?
The metric cup (250 mL) is about 4% larger than the US cooking cup (240 mL) — small for most recipes, but worth checking when following a recipe from a different country.