A British long ton is 2,240 pounds.
Long tons to Ounces Converter — long ton to oz
Convert Long ton (long ton) to Ounce (oz) using the exact conversion factor (1 long ton = 35,840 ounce). See the formula, worked examples, conversion table, history, and common uses.
Long tons to Ounces converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
An avoirdupois ounce is 1/16 pound.
Result = input x 1016.046909 / 0.02834952313.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons to Ounces
Weight conversions between Long ton and Ounce come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: A British long ton is 2,240 pounds, and an avoirdupois ounce is 1/16 pound.
Formula
ounces = long tons × 35840
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton equals 1016.0469088 base units, and 1 ounce equals 0.028349523125 base units, so dividing one by the other gives the direct long ton-to-ounce factor of 35840.
Simple example
1 long ton × 35840 = 35,840 oz
1 long ton = 35,840 ounces.
Real-world example
50 long ton × 35840 = 1,792,000 oz
50 long tons = 1,792,000 ounces.
Conversion table
| Long ton (long ton) | Ounce (oz) |
|---|---|
| 1 long ton | 35,840 oz |
| 5 long ton | 179,200 oz |
| 10 long ton | 358,400 oz |
| 25 long ton | 896,000 oz |
| 50 long ton | 1,792,000 oz |
| 100 long ton | 3,584,000 oz |
Reverse conversion: Ounce to Long ton
1 oz × 0.00002790178571 = 0.0000279018 long ton
1 ounce = 0.0000279018 long tons.
long tons = ounces × 0.0000279017857143
For a page dedicated to this direction, see Ounce to Long ton.
Understanding the Long ton (long ton)
A British long ton is 2,240 pounds.
Understanding the Ounce
Ounce (oz) measures mass. The avoirdupois ounce is 1/16 of a pound: exactly 28.349523125 grams. It is classified as a US/imperial customary unit.
Where it's used: United States (cooking, postal, retail) United Kingdom (informal/retail use)
Avoirdupois ounce vs. troy ounce. The everyday ounce (avoirdupois, 28.35 g) used for cooking and shipping is a different, smaller unit than the troy ounce (31.10 g) used for precious metals like gold and silver — this page uses the everyday avoirdupois ounce.
Uses of the Ounce today
- US cooking and recipe measurement (small quantities)
- US postal and shipping weight
- Precious metals (troy ounce, a related but distinct unit)
History of the Ounce
The ounce descends from the Roman 'uncia' (a twelfth part), inherited through medieval English weight systems; the avoirdupois ounce (for general goods, as opposed to the troy ounce for precious metals) became standard for everyday trade, fixed at exactly 28.349523125 g via the pound's 1959 international standardization.
Historical origin. Ounce was not the invention of a single named person; it developed through the process described above.
Ounce — sources
- NIST — International yard and pound (1959) — Basis for the modern ounce via the standardized pound.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces are in 1 long ton?
1 long ton equals 35,840 ounces, using the exact defined conversion factor rather than an estimate.
How do I convert long ton to ounce?
Multiply the long ton value by 35840. The converter above does this instantly to whatever precision you set.
How do I convert ounce back to long ton?
Use the reverse factor: 1 ounce equals 0.0000279018 long tons. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton?
Long ton (long ton) is a unit of mass/weight.
What is a ounce?
Ounce (oz) measures mass. The avoirdupois ounce is 1/16 of a pound: exactly 28.349523125 grams. It is classified as a US/imperial customary unit.
Is the long ton to ounce conversion exact?
Yes. The avoirdupois ounce is 1/16 of a pound: exactly 28.349523125 grams. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between avoirdupois ounce vs. troy ounce?
The everyday ounce (avoirdupois, 28.35 g) used for cooking and shipping is a different, smaller unit than the troy ounce (31.10 g) used for precious metals like gold and silver — this page uses the everyday avoirdupois ounce.