Convert Barrel to Milliliter (bbl → ml)
The oil barrel equals 42 US gallons and is the global benchmark for crude oil pricing and trading.
Barrel to Milliliter Conversion Table
10 common values| Barrel | Milliliter |
|---|---|
| 1 bbl | 158,987.29 ml |
| 2 bbl | 317,974.59 ml |
| 5 bbl | 794,936.47 ml |
| 10 bbl | 1,589,872.9 ml |
| 20 bbl | 3,179,745.9 ml |
| 50 bbl | 7,949,364.7 ml |
| 100 bbl | 15,898,729 ml |
| 200 bbl | 31,797,459 ml |
| 500 bbl | 79,493,647 ml |
| 1,000 bbl | 158,987,290 ml |
How to Convert Barrel to Milliliter Manually
Step by StepConverting barrels to milliliters is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.
- 1Take your value in barrelsStart with the number of barrels (bbl) you want to convert.
- 2Multiply by 158,987.29The conversion factor from bbl to ml is 158,987.29. Multiply your value by this number.
- 3Read the result in millilitersThe result is your value in milliliters (ml).
Formula
Multiply the value in barrels by 158,987.29. For the reverse direction, multiply by 0.00000629.
ml = bbl × 158,987.29bbl = ml × 0.00000629Tips
Use these in everyday conversions- 1 oil barrel = 42 US gallons = 158.987 L exactly.
- Barrel prices quoted in USD — watch currency impact on non-US economies.
- Different industries (beer, dry goods) use different barrel sizes — oil barrel is a specific unit.
Common Mistakes
Avoid these- Using beer barrel (163.7 L) or dry barrel (115.6 L) in oil contexts.
- Confusing barrel of oil with barrel of beer — different volumes.
- Assuming barrels are standard worldwide — only oil industry uses the 42 gallon version globally.
About Barrel and Milliliter
What is the Barrel?
The oil barrel equals exactly 42 US gallons (158.987 liters) and is the global benchmark unit for crude oil pricing and trading. The 42-gallon size dates to the 1860s Pennsylvania oil boom, when oil was shipped in repurposed wooden barrels of various sizes; the standard settled at 42 gallons as a practical industry compromise. Today, the oil barrel is virtually synonymous with crude oil — Brent crude and WTI prices are quoted per barrel ($/bbl), OPEC tracks production in barrels per day, and proven reserves are listed in billions of barrels. Despite metrication, the barrel persists in petroleum trading and journalism worldwide. It relates to the US gallon (1 bbl = 42 US gal), the cubic meter (1 bbl ≈ 0.159 m³), and the liter (1 bbl ≈ 159 L). Note that beer and wine barrels have different volumes.
- Crude oil international pricing (Brent, WTI)
- Petroleum product reporting (OPEC, EIA)
- Energy-sector financial reporting
Brent crude and WTI oil are priced in US dollars per barrel. Global oil demand is about 100 million barrels per day.
What is the Milliliter?
The milliliter equals one thousandth of a liter (0.001 L) and is the standard small-volume unit for cooking, pharmaceuticals, cosmetics, and laboratory work. One milliliter is exactly 1 cubic centimeter (1 cm³), a convenient relationship: 1 mL of pure water weighs 1 gram. The milliliter is the universal unit on medicine bottles (a typical cough syrup dose is 5 mL), cosmetics (a perfume bottle is 50–100 mL), and recipe measurements outside North America (a tablespoon is 15 mL, a teaspoon is 5 mL). Medical syringes are calibrated in mL, and IV drip rates are computed in mL per hour. The milliliter relates to the liter (1,000 mL = 1 L), the cubic centimeter (1 mL = 1 cm³ = 1 cc), the teaspoon (1 tsp = 5 mL), and the US fluid ounce (1 fl oz ≈ 29.57 mL).
- Liquid medication dosing in syringes
- Precise cooking and baking measurements
- Laboratory reagent measurement
A teaspoon holds about 5 ml. An espresso shot is 25–30 ml. An insulin pen delivers 0.1 ml increments.