Convert lbs to tonnes
Convert lbs to tonnes instantly. 1 lb = 0.0004536 t. Formula, worked examples and a quick reference table.
Last updated
One pound equals 0.0004536 metric tons. To convert any number of pounds to metric tons, multiply by 0.00045359.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Weight and mass conversions matter most in three places: shipping, where a rate band can turn on a single kilogram; cooking, where recipes cross between metric grams and imperial ounces; and personal weight, where Britain and Ireland use stones, the United States uses pounds, and everywhere else uses kilograms. Strictly these are mass units rather than weight units, and the distinction only bites in physics, where weight is a force measured in newtons.
lbs to tonnes formula
To go the other way, use pound = metric ton ÷ 0.00045359.
About these units
The international avoirdupois pound is exactly 0.45359237 kilograms — defined in terms of the metric system, not the other way round.
The tonne is 1,000 kilograms — close enough to the imperial long ton to be confused with it, and about 10% larger than the US short ton of 2,000 pounds.
Pound is also written pounds, lbs and #. Metric Ton is also written tonne, tonnes, metric tonne, ton, tons and mt.
Sources
lbs to tonnes conversion table
| Pound | Metric Ton |
|---|---|
| 1 lb | 0.0004536 t |
| 2 lb | 0.0009072 t |
| 3 lb | 0.001361 t |
| 5 lb | 0.002268 t |
| 10 lb | 0.004536 t |
| 20 lb | 0.009072 t |
| 25 lb | 0.01134 t |
| 50 lb | 0.02268 t |
| 100 lb | 0.04536 t |
| 250 lb | 0.1134 t |
| 500 lb | 0.2268 t |
| 1,000 lb | 0.4536 t |
Frequently asked questions
How many metric tons are in a pound? +
There are 0.0004536 metric tons in one pound.
What is 10 lb in t? +
10 lb equals 0.004536 t. Multiply 10 by 0.00045359.
How do I convert metric ton back to pound? +
Use pound = metric ton ÷ 0.00045359. The converter above handles both directions, or see our dedicated tonnes to lbs page.
How accurate is this pound to metric ton conversion? +
The factor used is 0.0004535924, carried at full double precision. Where a unit has an exact legal definition the factor is exact rather than approximate. Rounding is applied only to the displayed result, so the answer is never a calculation done on an already-rounded number.
Is there a quick way to estimate lb to t in my head? +
Divide by 2,200. That is 0.2101% off the exact factor of 0.0004536, which is fine for a rough figure and not for anything that has to balance.