ConvBolt — Unit ConverterOunces to US tons Converter
Converting ounces to US tons is a multiplication by a fixed factor: 1 oz = 3.1250e-5 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 ounce works out to 3.1250e-5 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 ounce. A chart drawn in oz 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 ounces 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 ounces.
The conversion factor used here is 3.1250e-5 ton per ounce (7 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 oz a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 32000 oz per ton, the exact reciprocal, so a round trip through both pages returns your original number.
Ounces to US tons formula
Use this formula to convert any ounce value to US tons:
Worked example: 100 oz × 3.1250e-5 = 0.003125 ton.
Ounces to US tons conversion table
| Ounces (oz) | US tons (ton) |
|---|---|
| 0.5 oz | 1.5625e-5 ton |
| 1 oz | 3.1250e-5 ton |
| 2 oz | 6.2500e-5 ton |
| 5 oz | 0.00015625 ton |
| 10 oz | 0.0003125 ton |
| 20 oz | 0.000625 ton |
| 50 oz | 0.0015625 ton |
| 100 oz | 0.003125 ton |
| 500 oz | 0.015625 ton |
| 1000 oz | 0.03125 ton |
How to convert ounces to US tons
Multiply the ounce value by 3.1250e-5 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 Ounces converter instead of dividing by hand; both pages use the same source factors. For every other oz conversion in one place, see the oz conversion hub.
Frequently asked questions
How many US tons are in 1 ounce?
1 ounce = 3.1250e-5 ton.
What is 100 ounces in US tons?
100 oz = 0.003125 ton.
Is converting ounces to US tons the same as US tons to ounces?
No — the direction changes the multiplier. The reverse conversion (1 ton = 32000 oz) is on the US tons to Ounces page.
Related conversions
Try the ConvBolt Unit Converter for any other weight unit, browse the Weight conversions, or read our conversion guides.