To convert pounds to us tons, multiply by 0.0005.
The calculation uses 1 lb = 0.0005 ton. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in ton = value in lb × 0.0005
lb- Input unit: pounds
ton- Output unit: us tons
How to use this calculator
- Enter a value in lb.
- Multiply by the stored conversion factor.
- Read the result in ton; divide by the same factor to convert back.
Worked examples
Worked conversion
1 lb × 0.0005 ≈ 0.0005 ton.
Reverse conversion
0.0005 ton ÷ 0.0005 ≈ 1 lb. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.0005 ton per lb.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
lb to ton table
| lb | ton (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.0005 |
| 2 | 0.001 |
| 5 | 0.0025 |
| 10 | 0.005 |
| 100 | 0.05 |
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