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Weight & Mass
Pounds to Metric tons
Convert pounds (lb) to metric tons (t). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 lb = 0.000454 t
Pounds to Metric tons Conversion Table
Common values, ready to copy:
| pounds | metric tons |
|---|---|
| 1 lb | 0.000454 t |
| 2 lb | 0.000907 t |
| 5 lb | 0.002268 t |
| 10 lb | 0.004536 t |
| 25 lb | 0.01134 t |
| 50 lb | 0.02268 t |
| 100 lb | 0.045359 t |
| 1,000 lb | 0.453592 t |
Formula
metric tons = pounds × 4.53592370e-4
Mass conversions use the SI definition: 1 pound is exactly 0.45359237 kilograms. The factor above is the exact ratio between pound and metric ton.
About Pounds and Metric tons
Pounds (lb): From the Roman libra pondo, 'a pound by weight' (the abbreviation lb comes from libra); the avoirdupois pound is exactly 0.45359237 kilograms by 1959 international agreement. Common uses: US body weight, US shipping, US livestock, US agriculture, and athletic equipment in the United States; UK food labeling sometimes still includes pounds alongside the metric kg.
Metric tons (t): One thousand kilograms, a metric-system unit standardized in the early 19th century; called a 'tonne' in international SI usage, 'metric ton' in US usage. Common uses: Shipping and freight, industrial commodities (steel, grain, cement), large-scale manufacturing, and emissions accounting (carbon dioxide emissions are reported in metric tons).
How the conversion works
Mass conversions use the SI definition: 1 pound is exactly 0.45359237 kilograms. The factor above is the exact ratio between pound and metric ton.
The exact relationship is metric tons = pounds × 4.53592370e-4, which the calculator at the top of this page applies in both directions. Type into either field and the other updates immediately.
When this conversion matters
Converting between pounds and metric tons comes up wherever weight & mass measurements move between systems — from one country's conventions to another's, from a scientific reference to a practical specification, or from one industry's working unit to another's. The calculator and reference table above cover the everyday range; for unusual values you can type any number into either field.