Convert Ounces to Long tons
1 ounce is 0.0000279 LT. One ounce is exactly 0.0000279017857143 long tons.
One ounce is 2.7902 × 10^-5 long tons. To convert ounces to long tons, multiply by 2.7902 × 10^-5; to go the other way, divide by 2.7902 × 10^-5 or multiply by 35840. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 44. One sixteenth of a pound.
Factor checked against the defining standard · How we check
- Ounces × 2.7902 × 10^-5
1 * 0.00002790 LT
1 ounce in every weight unit
| Unit | Value | Exact factor |
|---|---|---|
| ounces (as entered) | 1 oz | — |
| pounds | 0.0625 lb | × 0.0625 |
| stone | 0.004464285714 st | × 0.00446428571429 |
| US tons | 0.00003125 ton | × 0.00003125 |
| micrograms | 28,349,523.13 mcg | × 28,349,523.125 |
| milligrams | 28,349.52313 mg | × 28,349.523125 |
| centigrams | 2,834.952313 cg | × 2,834.9523125 |
| grams | 28.34952313 g | × 28.349523125 |
| kilograms | 0.02834952313 kg | × 0.028349523125 |
| slugs | 0.001942559386 slug | × 0.00194255938572 |
| tonnes | 0.00002834952313 t | × 0.000028349523125 |
| carats | 141.7476156 ct | × 141.747615625 |
| troy ounces | 0.9114583333 ozt | × 0.911458333333 |
| grains | 437.5 gr | × 437.5 |
| long tons | 0.00002790178571 LT | × 0.0000279017857143 |
Factors are entered by hand from NIST Handbook 44 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert ounces to long tons? The converter and the working
- 1.Take the measurement in ounces.
- 2.Multiply by 2.7902 × 10^-5 — that is how many long tons fit in one ounce.
- 3.To go back the other way, divide by 2.7902 × 10^-5, or multiply by 35840.
Worked example: 25 ounces to long tons
- Formula
- oz × 2.7902 × 10^-5 = LT
- Arithmetic
- 25 × 2.7902 × 10^-5 = 0.0006975 LT
- Answer
- 25 oz = 0.0006975 LT
The factor is rounded for display; the figure above is computed from the full value.
Ounces to long tons conversion table
| Ounces | Long tons |
|---|---|
| 1 oz | 0.0000279 LT |
| 2 oz | 0.0000558 LT |
| 3 oz | 0.00008371 LT |
| 4 oz | 0.0001116 LT |
| 5 oz | 0.0001395 LT |
| 6 oz | 0.0001674 LT |
| 7 oz | 0.0001953 LT |
| 8 oz | 0.0002232 LT |
| 9 oz | 0.0002511 LT |
| 10 oz | 0.000279 LT |
| 12 oz | 0.0003348 LT |
| 15 oz | 0.0004185 LT |
| 20 oz | 0.000558 LT |
| 25 oz | 0.0006975 LT |
| 50 oz | 0.001395 LT |
| 100 oz | 0.00279 LT |
| 200 oz | 0.01 LT |
| 300 oz | 0.01 LT |
| 500 oz | 0.01 LT |
| 1000 oz | 0.03 LT |
| 2000 oz | 0.06 LT |
| 5000 oz | 0.14 LT |
| 10000 oz | 0.28 LT |
What is an ounce?
One sixteenth of a pound. Not to be confused with the fluid ounce, which measures volume.
What is a long ton?
The British ton: 2,240 lb, against the US short ton’s 2,000 and the tonne’s 2,204.62. Three units, one word, and shipping documents use all three.
How many long tons are in an ounce?
One ounce is 2.7902 × 10^-5 long tons. Going the other way, one long ton is 35840 ounces. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every weight unit here
The whole group — 15 units with their symbols and the size of each one in kilograms — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to an ounce.
Cite this page
- APA
- Rule Calculator. (2026). Convert Ounces to long tons. Rule Calculator. https://rulecalculators.com/convert/ounce-to-long-ton
- MLA
- "Convert Ounces to long tons." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/ounce-to-long-ton.
- Chicago
- Rule Calculator. "Convert Ounces to long tons." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/ounce-to-long-ton.
The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.
Questions people actually ask
- How many long tons are in an ounce?
- 2.7902 × 10^-5. The British ton: 2,240 lb, against the US short ton’s 2,000 and the tonne’s 2,204.62. Three units, one word, and shipping documents use all three.
- How do I convert long tons back to ounces?
- Divide by 2.7902 × 10^-5, or multiply by 35840 — they are the same operation.
Other weight conversions
Long tons to ounces — the same conversion the other way.