Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 fl oz | 1.86012e-07 bbl | |
| 0.01 fl oz | 1.86012e-06 bbl | |
| 0.1 fl oz | 1.86012e-05 bbl | |
| 1 fl oz | 0.000186012 bbl | |
| 5 fl oz | 0.00093006 bbl | |
| 10 fl oz | 0.00186012 bbl | |
| 50 fl oz | 0.0093006 bbl | |
| 100 fl oz | 0.0186012 bbl | |
| 1000 fl oz | 0.186012 bbl |
Common fluid ounce values converted to oil barrel — factor: 1 fl oz = 0.000186 bbl
| Fluid Ounce (fl oz) | Oil Barrel (bbl) | Context |
|---|---|---|
| 0.5 fl oz | 9.301e-05 bbl | Half ounce |
| 1 fl oz | 0.000186 bbl | Shot |
| 2 fl oz | 0.000372 bbl | Double shot |
| 4 fl oz | 0.000744 bbl | Half cup |
| 6 fl oz | 0.001116 bbl | One cup |
| 8 fl oz | 0.001488 bbl | One cup |
| 12 fl oz | 0.002232 bbl | Soda can |
| 16 fl oz | 0.002976 bbl | One pint |
| 20 fl oz | 0.00372 bbl | Large cup |
| 32 fl oz | 0.005952 bbl | One quart |
| 64 fl oz | 0.0119 bbl | Half gallon |
| 128 fl oz | 0.02381 bbl | One gallon |
| 256 fl oz | 0.04762 bbl | 2 gallons |
| 512 fl oz | 0.09524 bbl | 4 gallons |
| 1,024 fl oz | 0.1905 bbl | 8 gallons |
Converting fluid ounce 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 fluid ounce that need to be measured with equipment calibrated in oil barrel.
In everyday use, knowing that 5 fl oz = 0.0009301 bbl and 10 fl oz = 0.00186 bbl covers most common situations. For bulk calculations, 100 fl oz = 0.0186 bbl is a useful anchor. The reverse conversion — oil barrel back to fluid ounce — uses the factor 5376, so 1 bbl = 5376 fl oz.
All conversions use the internationally recognized factor of exactly 1 fl oz = 0.000186 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 = Fluid Ounce × 0.00018601206
Multiply any fluid ounce value by 0.00018601206 to get oil barrel. One fluid ounce equals 0.00018601206 bbl.
Reverse: Fluid Ounce = Oil Barrel × 5375.9954
1 fl oz = 0.00018601206 bbl. Memorize this for instant mental estimates.
Use 0.00018601206 as a quick mental factor. Multiply your fluid ounces value by this to estimate oil barrels.
To verify: multiply your result by 5375.9954 to recover the original fl oz value.
Labels product nutrition facts and serving sizes in fluid ounces as required by FDA.
Measures spirit pours and mixers in fl oz using jiggers for cocktail consistency.
Tracks soda fountain syrup and cup sizes (12, 16, 20, 32 fl oz) for inventory.
Designs bottle fill levels in fluid ounces for US retail compliance.
Recommends daily fluid intake for children in fluid ounces by age group.
Compares unit prices per fluid ounce on beverage labels to find the best value.
The US fluid ounce is defined as 1/128 of a US gallon, exactly 29.5735 mL. The US and UK fl oz differ: the US is 29.57 mL while the Imperial fl oz is 28.41 mL.
Fluid ounces appear on every US beverage container: a soda can is 12 fl oz, a water bottle is 16.9 fl oz, and a US shot glass is 1.5 fl oz.
Interesting fact: Despite sharing the name 'ounce', the fluid ounce measures volume, not weight. One fl oz of water weighs about 1.04 oz, but one fl oz of honey weighs about 1.5 oz.
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.