Convert US Oil Barrel to US Cup
Convert us oil barrels to us cups instantly. 1 us oil barrel = 672 us cup — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Cup to US Oil Barrel converter for the reverse conversion.
Units explained
US Oil Barrel
The petroleum barrel is exactly 42 US gallons (158.987 L).
Set by the US petroleum industry in the 1860s and now a global oil-trade standard.
The standard unit for crude-oil pricing and production worldwide.
US oil industry, 1860s.
US Cup
A US customary cup is one sixteenth of a US gallon (236.588 mL).
Standardized for American cooking; distinct from the 240 mL US legal cup and the 250 mL metric cup.
The standard US cooking-volume unit in recipes.
US customary cooking measure.
US Oil Barrel to US Cup conversion formula
The relationship between us oil barrels and us cups:
To convert us oil barrels to us cups, multiply the value in us oil barrels by 672. To reverse, multiply us cups by 0.0014880952.
How to use this converter
Type a value into the calculator. The result in us cups updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Cup to US Oil Barrel converter for the reverse direction.
Step-by-step: convert us oil barrels to us cups
- Write down the value in us oil barrels (bbl (oil)).
- Multiply that value by the factor 672.
- The product is the equivalent value in us cups (cup).
- To reverse, multiply the us cup value by 0.0014880952.
Worked examples
Example 1 — Convert 1 bbl (oil) to cup:
1 × 672 = 672 cup
Example 2 — Convert 100 bbl (oil) to cup:
100 × 672 = 67200 cup
Real-world example — Macroscopic to microscopic
One us oil barrel equals a million us cups. Optical engineers calculating coherence length compare macro-scale path lengths with micro-scale wavelength differences using exactly this conversion.
1 bbl (oil) × 672 = 672 cup
Real-world example — Sub-meter precision
A 0.001-us oil barrel (1 mm) tolerance equals 1,000 us cups — useful for surface-finish specs, where macro-scale dimensions are given in the larger unit but feature roughness in the smaller.
0.001 bbl (oil) × 672 = 0.672 cup
Real-world example — Macro-to-micro scale comparison
2 us oil barrels of measurement converts to a very large number in us cups — useful in materials science when comparing bulk-sample dimensions to feature-level surface specs.
2 bbl (oil) × 672 = 1344 cup
US Oil Barrel to US Cup conversion table
Standard reference values for converting us oil barrels to us cups:
| US Oil Barrel [bbl (oil)] | US Cup [cup] |
|---|---|
| 0.01 | 6.72 |
| 0.1 | 67.2 |
| 1 | 672 |
| 2 | 1344 |
| 3 | 2016 |
| 4 | 2688 |
| 5 | 3360 |
| 10 | 6720 |
| 20 | 13440 |
| 30 | 20160 |
| 40 | 26880 |
| 50 | 33600 |
| 100 | 67200 |
| 500 | 336000 |
| 1000 | 672000 |
Frequently asked questions
How many us cups is 1 us oil barrel?
How do I convert us oil barrels to us cups?
How do I convert us cups back to us oil barrels?
How many us cups is 100 us oil barrels?
Popular volume unit conversions
Convert US Oil Barrel to other volume units
Show all US Oil Barrel conversions
Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 bbl (oil) = 672 cup) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.