Pounds to US tons Converter
Converting pounds to US tons is a multiplication by a fixed factor: 1 lb = 0.0005 ton. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.
Because one pound works out to 0.0005 ton, the us ton is the far smaller unit of the two: a figure given in us ton always carries a smaller number than the same measurement in pound. A chart drawn in lb can hide that, so check which label the axis uses before you compare two readings.
Cooking and shipping are the two places this pair appears most: a kitchen scale reads in pounds while a recipe or label is written in US tons, and a courier tariff built on US tons still has to be checked against a scale showing pounds.
The conversion factor used here is 0.0005 ton per pound (4 significant digits as shown). Kept to seven figures it covers professional measurement; if you round it to two or three decimals for a spreadsheet, the error scales with the input — at a value of 1,000 lb a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 2000 lb per ton, the exact reciprocal, so a round trip through both pages returns your original number.
Pounds to US tons formula
Use this formula to convert any pound value to US tons:
Worked example: 100 lb × 0.0005 = 0.05 ton.
Pounds to US tons conversion table
| Pounds (lb) | US tons (ton) |
|---|---|
| 0.5 lb | 0.00025 ton |
| 1 lb | 0.0005 ton |
| 2 lb | 0.001 ton |
| 5 lb | 0.0025 ton |
| 10 lb | 0.005 ton |
| 20 lb | 0.01 ton |
| 50 lb | 0.025 ton |
| 100 lb | 0.05 ton |
| 500 lb | 0.25 ton |
| 1000 lb | 0.5 ton |
How to convert pounds to US tons
Multiply the pound value by 0.0005 to get the equivalent in US tons. This single factor works for every value in the table above and for anything else you need — there is no per-value adjustment, which is why a conversion table and a calculator always agree.
If you need the opposite direction, use the US tons to Pounds converter instead of dividing by hand; both pages use the same source factors. For every other lb conversion in one place, see the lb conversion hub.
Frequently asked questions
How many US tons are in 1 pound?
1 pound = 0.0005 ton.
What is 100 pounds in US tons?
100 lb = 0.05 ton.
Is converting pounds to US tons the same as US tons to pounds?
No — the direction changes the multiplier. The reverse conversion (1 ton = 2000 lb) is on the US tons to Pounds page.
Related conversions
Try the ConvBolt Unit Converter for any other weight unit, browse the Weight conversions, or read our conversion guides.