This converter turns teaspoons into oil barrels instantly, using the exact factor 1 teaspoon = 3.100198413e-05 oil barrels. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
The smallest standard kitchen measure, 4.93 millilitres. The petroleum barrel: 42 US gallons, the global oil trading unit.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
teaspoons- The amount you are converting, measured in teaspoons
3.100198413e-05- The exact number of oil barrels in one teaspoon
oil barrels- The converted result
How it works, step by step
- Enter the number of teaspoons you want to convert.
- The value is multiplied by 3.100198413e-05, the exact conversion factor.
- The result is displayed in oil barrels, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 teaspoons
Multiply 5 by 3.1001984e-05. That gives 0.000155 oil barrels. A quick sanity check: one teaspoon is smaller than one oil barrel, so the number should get smaller — and it does.
Converting 72 teaspoons
72 × 3.1001984e-05 = 0.002232 oil barrels. Working backwards, 0.002232 ÷ 3.1001984e-05 returns 72 teaspoons, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many oil barrels are in one teaspoon?
Exactly 3.100198413e-05. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert teaspoons to oil barrels?
Oil Barrels = teaspoons × 3.100198413e-05. To reverse it, divide instead: teaspoons = oil barrels ÷ 3.100198413e-05, which is the same as multiplying by 32256.
Is the teaspoon bigger than the oil barrel?
No. One teaspoon is only 3.1002e-05 of a oil barrel, so the oil barrel is the larger unit.
Why does my answer differ slightly from other teaspoons to oil-barrels converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a teaspoon?
The smallest standard kitchen measure, 4.93 millilitres.
What is a oil barrel?
The petroleum barrel: 42 US gallons, the global oil trading unit.
Teaspoons to oil barrels reference table
| Teaspoons | Oil Barrels |
|---|---|
| 0.5 tsp | 0.000016 bbl |
| 1 tsp | 0.000031 bbl |
| 2 tsp | 0.000062 bbl |
| 3 tsp | 0.000093 bbl |
| 5 tsp | 0.000155 bbl |
| 10 tsp | 0.00031 bbl |
| 15 tsp | 0.000465 bbl |
| 20 tsp | 0.00062 bbl |
| 25 tsp | 0.000775 bbl |
| 50 tsp | 0.00155 bbl |
| 75 tsp | 0.002325 bbl |
| 100 tsp | 0.0031 bbl |
| 250 tsp | 0.00775 bbl |
| 500 tsp | 0.015501 bbl |
| 1000 tsp | 0.031002 bbl |
Exact factor: 1 teaspoon = 3.100198413e-05 oil barrels. Values rounded for display.