Pounds to troy pounds
Type a value in pounds to see it in troy pounds straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the pounds box.
- Read the result in troy pounds as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
lb t = lb × 1.215277778
Multiply the value in pounds by 1.215277778 to get troy pounds.
Example
To convert 25 lb to troy pounds: 25 × 1.215277778 = 30.3819 lb t.
Conversion table
| Pounds (lb) | Troy pounds (lb t) |
|---|---|
| 1 | 1.21528 |
| 2 | 2.43056 |
| 3 | 3.64583 |
| 5 | 6.07639 |
| 10 | 12.1528 |
| 20 | 24.3056 |
| 25 | 30.3819 |
| 50 | 60.7639 |
| 100 | 121.528 |
| 250 | 303.819 |
| 500 | 607.639 |
| 1,000 | 1,215.28 |
About the units
- Pound
- The international avoirdupois pound, equal to exactly 0.45359237 kg since the 1959 agreement.
- Troy pound
- Equal to 12 troy ounces or 5760 grains, exactly 373.2417216 grams, lighter than the ordinary pound.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many troy pounds are in one pound?
1 lb = 1.21528 lb t exactly.
How do I convert pounds to troy pounds?
Use lb t = lb × 1.215277778. For example, 25 lb = 30.3819 lb t.
How many pounds are in one troy pound?
1 lb t = 0.822857 lb.
Are mass and weight the same thing?
Strictly no: mass is the amount of matter, in kilograms, while weight is the force of gravity on it, in newtons. Scales display mass, so everyday language uses the two words interchangeably.
What is the difference between an ounce and a troy ounce?
An ordinary ounce is 28.349523125 grams and is used for food and goods, while a troy ounce is 31.1034768 grams and is used to price gold and silver.