Pound to Tonne Converter
Type a value — the answer appears instantly. 1 lb = 0.000453592 t.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.000453592 tonnes
= 0.453592 kg= 453.592 g
equals 0.000453592 tonnesFormula: t = lb × 0.00045359237
Pound to Tonne formula
t = lb × 0.00045359237
Convert 5 pounds to tonnes
- Start with 5 pounds.
- Multiply by the conversion factor: 5 × 0.000453592 = 0.00226796.
- So 5 lb = 0.00226796 t.
Pound to Tonne conversion table
| Pounds (lb) | Tonnes (t) |
|---|---|
| 0.01 lb | 0.0000045359 t |
| 0.1 lb | 0.0000453592 t |
| 0.25 lb | 0.000113398 t |
| 0.5 lb | 0.000226796 t |
| 1 lb | 0.000453592 t |
| 2 lb | 0.000907185 t |
| 3 lb | 0.00136078 t |
| 4 lb | 0.00181437 t |
| 5 lb | 0.00226796 t |
| 6 lb | 0.00272155 t |
| 7 lb | 0.00317515 t |
| 8 lb | 0.00362874 t |
| 9 lb | 0.00408233 t |
| 10 lb | 0.00453592 t |
| 15 lb | 0.00680389 t |
| 20 lb | 0.00907185 t |
| 25 lb | 0.0113398 t |
| 30 lb | 0.0136078 t |
| 40 lb | 0.0181437 t |
| 50 lb | 0.0226796 t |
| 75 lb | 0.0340194 t |
| 100 lb | 0.0453592 t |
| 250 lb | 0.113398 t |
| 500 lb | 0.226796 t |
| 1,000 lb | 0.453592 t |
| 5,000 lb | 2.26796 t |
| 10,000 lb | 4.53592 t |
Unit definitions
What is a pound?
The avoirdupois pound is exactly 0.45359237 kilograms and equals sixteen ounces. It is the primary unit of body weight and everyday mass in the United States. Sixteen ounces make a pound, and fourteen pounds make a stone.
What is a tonne?
The tonne, or metric ton, is exactly 1000 kilograms. It is used worldwide for heavy freight, vehicle mass, industrial materials, and carbon-emission accounting. It is distinct from the US short ton and the UK long ton.
Frequently asked questions
How many tonnes are in one pound?
One pound equals 0.000453592 tonnes (1 lb = 0.000453592 t).
How do I convert pounds to tonnes?
Multiply the value in pounds by 0.000453592. For example, 10 lb × 0.000453592 = 0.00453592 t.
Which is bigger — a pound or a tonne?
A tonne is bigger: one tonne contains 2,204.62 pounds.
Is this pound to tonne converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.