Ounces to Short Tons (oz to ton (US))

1 ounce equals 0.00003125 short tons exactly.

1 ounce = 0.00003125 short tons

How to convert ounces to short tons

To convert ounces to short tons, multiply the number of ounces by 0.00003125. This factor is exact. To go the other way, multiply short tons by 32,000.

short tons = ounces × 0.00003125

Example: 10 ounces = 0.0003125 short tons.

About these units

Ounce (oz)

US & ImperialCurrent unit

One sixteenth of a pound, exactly 28.349523125 g. Used for food, mail and consumer goods in the US and UK.

A twelfth part is what ounce originally meant. It comes from the Roman uncia, one twelfth of the Roman pound, a word that also gave English the inch. The abbreviation oz does not come from English at all but from the Italian onza or oncia. Over the centuries many regions and trades used different ounces: the English Tower ounce of 29.16 g was abolished by Henry VIII in 1527, and the Dutch ons was redefined as exactly 100 g in 1820.

The avoirdupois ounce used for everyday goods is one sixteenth of a pound, exactly 28.349523125 g or 437.5 grains, the standard in the US and under the UK imperial system. It is not the same as the troy ounce for precious metals, and neither is the fluid ounce, which measures volume. Ounces still describe portions such as steaks and burgers, and they show up in unexpected places: fabric is graded by weight per area, so a 16 oz denim is a heavy cloth, and the copper on a circuit board is specified in ounces, where 1 oz is roughly 34.7 micrometres thick.

1 ounce = 0.02834952313 kilograms (approximately).

Sources: Wikipedia: Ounce; NIST Guide to the SI, Appendix B.8 (mass conversions)

Short Ton (ton (US))

US customaryCurrent unit

2,000 pounds (907.18 kg). The ton used in the United States.

Wine casks lie behind every kind of ton. The word comes from tun, the term for the largest cask, and a tun of wine held roughly 2,000 pounds and took up about 60 cubic feet of cargo space. The short ton of 2,000 pounds keeps that round figure. It is used mainly in the United States and in some Canadian industries, while most of the world uses the tonne or, in the Commonwealth, the long ton.

The short ton is about 907 kg, roughly 10 percent less than a metric tonne, so the two should never be swapped when reading a statistic. The long and metric tons, by contrast, differ from each other by less than 2 percent. Weighing cargo on land is easy, but ships are traditionally described by displacement in long tons, so American shipping and naval documents can contain both kinds of ton at once. A freight bill may also use a measurement ton, which is a volume of 40 cubic feet. When writing for an international audience, spelling out short ton avoids confusion.

1 short ton = 907.18474 kilograms (exactly).

Sources: Wikipedia: Ton; NIST Guide to the SI, Appendix B.8 (mass conversions)

Related conversions

See all weight & mass units.