Pounds to tonnes – convert lb to t
Convert pounds to tonnes (lb to t) to turn imperial weights into clean metric tonne values. This page opens the main mass converter with lb → t pre-selected.
Open the interactive pounds → tonnes converter:
Use main converter (lb → t) or switch to t → lbOn the homepage you can also convert between grams, kilograms, ounces, stones and other mass units.
Quick reference: pounds to tonnes
One pound is about 0.00045359237 t. So: t = lb × 0.00045359237. Examples:
| Mass (lb) | Mass (t, approx.) |
|---|---|
| 500 lb | 0.2268 t |
| 1,000 lb | 0.4536 t |
| 2,000 lb | 0.9072 t |
| 5,000 lb | 2.2680 t |
| 10,000 lb | 4.5360 t |
| 20,000 lb | 9.0720 t |
Why convert pounds to tonnes?
Pounds to tonnes is useful when you:
- Convert vehicle or axle weights from lb into tonnes for compliance checks.
- Summarise freight manifests or cargo loads in metric units.
- Report environmental or structural loads using tonnes instead of pounds.
- Work with international partners who expect weights in tonnes and kilograms.
Other mass converters on this site
This converter uses metric tonnes (t). For short tons (US) or long tons (UK), you would need slightly different factors than the ones used here.
Page last updated: 4 December 2025.