Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 bbl | 0.671999 cup | |
| 0.01 bbl | 6.71999 cup | |
| 0.1 bbl | 67.1999 cup | |
| 1 bbl | 671.999 cup | |
| 5 bbl | 3360 cup | |
| 10 bbl | 6719.99 cup | |
| 50 bbl | 33600 cup | |
| 100 bbl | 67199.9 cup | |
| 1000 bbl | 671999 cup |
Common oil barrel values converted to us cup — factor: 1 bbl = 672 cup
| Oil Barrel (bbl) | US Cup (cup) | Context |
|---|---|---|
| 0.001 bbl | 0.672 cup | Small batch |
| 0.01 bbl | 6.72 cup | Test batch |
| 0.1 bbl | 67.2 cup | Small drum |
| 0.5 bbl | 336 cup | Half barrel |
| 1 bbl | 672 cup | Oil barrel |
| 5 bbl | 3,360 cup | Small tank |
| 10 bbl | 6,720 cup | Small batch |
| 50 bbl | 3.36e+04 cup | Tanker truck |
| 100 bbl | 6.72e+04 cup | Small storage |
| 500 bbl | 3.36e+05 cup | Pipeline batch |
| 1,000 bbl | 6.72e+05 cup | Small reserve |
| 5,000 bbl | 3,360,000 cup | Tank farm |
| 1e+04 bbl | 6,720,000 cup | Tank farm |
| 1e+05 bbl | 67,200,000 cup | Day output |
| 1,000,000 bbl | 672,000,000 cup | Supertanker |
Converting oil barrel to us cup comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using us cup, or a laboratory protocol may specify volumes in oil barrel that need to be measured with equipment calibrated in us cup.
In everyday use, knowing that 5 bbl = 3360 cup and 10 bbl = 6720 cup covers most common situations. For bulk calculations, 100 bbl = 6.72e+04 cup is a useful anchor. The reverse conversion — us cup back to oil barrel — uses the factor 0.001488, so 1 cup = 0.001488 bbl.
All conversions use the internationally recognized factor of exactly 1 bbl = 672 cup. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: US Cup = Oil Barrel × 671.99943
Multiply any oil barrel value by 671.99943 to get us cup. One oil barrel equals 671.99943 cup.
Reverse: Oil Barrel = US Cup × 0.0014880965
1 bbl = 671.99943 cup. Memorize this for instant mental estimates.
Use 671.9994 as a quick mental factor. Multiply your oil barrels value by this to estimate US cups.
To verify: multiply your result by 0.0014880965 to recover the original bbl value.
Calculates crude oil reserves, production rates, and pipeline throughput in barrels per day.
Prices oil futures denominated in USD per barrel on NYMEX and ICE exchanges.
Tracks feedstock intake and product output in barrels per stream-day.
Reports strategic petroleum reserve levels and OPEC quota compliance in millions of barrels.
Converts barrel quantities to liters for reactor sizing and process design calculations.
Compares global oil demand forecasts from IEA and EIA expressed in barrels per day.
The US oil barrel (bbl) is defined as exactly 42 US gallons, equal to 158.987 liters. The 42-gallon standard was adopted by the Pennsylvania oil industry in 1866, based on the wine tierce barrel.
Oil barrels are the global benchmark for crude oil pricing: NYMEX WTI and ICE Brent futures are quoted in USD per barrel. OPEC quotas and national reserves are all expressed in barrels per day.
Interesting fact: No physical barrels are used to ship crude oil today. The unit is purely a pricing and accounting convention; tankers carry millions of barrels in sealed tanks.
The US customary cup is defined as exactly 8 US fluid ounces, or 236.588 mL. It was standardized by Fannie Farmer in her 1896 cookbook The Boston Cooking-School Cook Book.
The cup is the backbone of US baking: nearly every American recipe uses cup measurements for flour, sugar, butter, and liquids. Standard sets include 1 cup, ½ cup, ⅓ cup, and ¼ cup.
Interesting fact: Australia uses a metric cup of 250 mL, slightly larger than the US cup, which can cause recipe confusion in international cooking.