Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 cup | 1.4881e-06 bbl | |
| 0.01 cup | 1.4881e-05 bbl | |
| 0.1 cup | 0.00014881 bbl | |
| 1 cup | 0.0014881 bbl | |
| 5 cup | 0.00744048 bbl | |
| 10 cup | 0.014881 bbl | |
| 50 cup | 0.0744048 bbl | |
| 100 cup | 0.14881 bbl | |
| 1000 cup | 1.4881 bbl |
Common us cup values converted to oil barrel — factor: 1 cup = 0.001488 bbl
| US Cup (cup) | Oil Barrel (bbl) | Context |
|---|---|---|
| 0.0625 cup | 9.301e-05 bbl | Tablespoon |
| 0.125 cup | 0.000186 bbl | Eighth cup |
| 0.25 cup | 0.000372 bbl | Quarter cup |
| 0.333 cup | 0.0004955 bbl | Third cup |
| 0.5 cup | 0.000744 bbl | Half cup |
| 1 cup | 0.001488 bbl | One cup |
| 2 cup | 0.002976 bbl | One pint |
| 4 cup | 0.005952 bbl | One quart |
| 8 cup | 0.0119 bbl | Half gallon |
| 16 cup | 0.02381 bbl | One gallon |
| 32 cup | 0.04762 bbl | 2 gallons |
| 64 cup | 0.09524 bbl | 4 gallons |
| 128 cup | 0.1905 bbl | 8 gallons |
| 256 cup | 0.381 bbl | Large drum |
| 512 cup | 0.7619 bbl | Large drum |
Converting us cup to oil barrel comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using oil barrel, or a laboratory protocol may specify volumes in us cup that need to be measured with equipment calibrated in oil barrel.
In everyday use, knowing that 5 cup = 0.00744 bbl and 10 cup = 0.01488 bbl covers most common situations. For bulk calculations, 100 cup = 0.1488 bbl is a useful anchor. The reverse conversion — oil barrel back to us cup — uses the factor 672, so 1 bbl = 672 cup.
All conversions use the internationally recognized factor of exactly 1 cup = 0.001488 bbl. 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: Oil Barrel = US Cup × 0.0014880965
Multiply any us cup value by 0.0014880965 to get oil barrel. One us cup equals 0.0014880965 bbl.
Reverse: US Cup = Oil Barrel × 671.99943
1 cup = 0.0014880965 bbl. Memorize this for instant mental estimates.
Use 0.0015 as a quick mental factor. Multiply your US cups value by this to estimate oil barrels.
To verify: multiply your result by 671.99943 to recover the original cup value.
Follows American recipes using cups for flour, sugar, milk, and butter.
Tests and standardizes recipes in cup measurements before international publication.
Uses cup portions as standardized serving-size references for dietary counseling.
Teaches beginner cooks using cups as intuitive, equipment-free measuring tools.
Converts cup-based recipes to liter or kilogram quantities for industrial production.
Converts US cup measurements to metric mL when cooking American recipes abroad.
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.
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.