Ounces (oz) to Long Tons (long-ton) conversion

1 oz = 0.00002790179 long-tonlong-ton → oz
Formula
1 oz = 0.00002790179 long-ton

Understanding Ounces to Long Tons Conversion

A Ounce is an imperial and US unit of mass equal to 1/16 of a pound (about 28.35 g), while a Long Ton is a UK imperial unit of mass equal to 2,240 pounds (also called the imperial or gross ton). The long ton is a UK imperial unit, so this conversion is common when reconciling British shipping or bulk-cargo weights with other systems. Converting Ounces to Long Tons is useful whenever you need to move a mass value from one measurement system into the other.

Conversion Formula

To convert Ounces to Long Tons, multiply the value by the fixed conversion factor:

1 oz=2.790178571429×10−5 long-ton1\ \text{oz} = 2.790178571429 \times 10⁻⁵\ \text{long-ton}

So the rule is simply:

Long Tons=Ounces×2.790178571429×10−5\text{Long Tons} = \text{Ounces} \times 2.790178571429 \times 10⁻⁵

Step-by-Step Example

Convert 8000 Ounces to Long Tons.

1. Write the formula:

Long Tons=Ounces×2.790178571429×10−5\text{Long Tons} = \text{Ounces} \times 2.790178571429 \times 10⁻⁵

2. Substitute the value:

8000 oz×2.790178571429×10−58000\ \text{oz} \times 2.790178571429 \times 10⁻⁵

3. Calculate the result:

8000×2.790178571429×10−5=0.223214 long-ton8000 \times 2.790178571429 \times 10⁻⁵ = 0.223214\ \text{long-ton}

So 8000 Ounces is equal to about 0.223214 Long Tons.

How to Convert Ounces to Long Tons

Converting Ounces to Long Tons takes one multiplication once you know the conversion factor. Here is a worked example using 8000 Ounces.

  1. Write the conversion factor. One Ounce equals 2.790178571429×10−52.790178571429 \times 10⁻⁵ Long Tons:

    1 oz=2.790178571429×10−5 long-ton1\ \text{oz} = 2.790178571429 \times 10⁻⁵\ \text{long-ton}

  2. Set up the multiplication. Multiply your value in Ounces by that factor:

    8000 oz×2.790178571429×10−5 long-ton1 oz8000\ \text{oz} \times \frac{2.790178571429 \times 10⁻⁵\ \text{long-ton}}{1\ \text{oz}}

  3. Cancel the units. The oz units cancel, leaving the answer in long-ton.

  4. State the result.

    8000×2.790178571429×10−5=0.223214 long-ton8000 \times 2.790178571429 \times 10⁻⁵ = 0.223214\ \text{long-ton}

So 8000 Ounces equals about 0.223214 Long Tons.

Ounces to Long Tons conversion table

Ounces (oz)Long Tons (long-ton)
00
10.00002790179
20.00005580357
30.00008370536
40.0001116071
50.0001395089
60.0001674107
70.0001953125
80.0002232143
90.0002511161
100.0002790179
150.0004185268
200.0005580357
250.0006975446
300.0008370536
400.001116071
500.001395089
600.001674107
700.001953125
800.002232143
900.002511161
1000.002790179
1500.004185268
2000.005580357
2500.006975446
3000.008370536
4000.01116071
5000.01395089
6000.01674107
7000.01953125
8000.02232143
9000.02511161
10000.02790179
20000.05580357
30000.08370536
40000.1116071
50000.1395089
100000.2790179
250000.6975446
500001.395089
1000002.790179
2500006.975446
50000013.95089
100000027.90179

Which ton do you mean?

“ton” means different units by region. This page uses the Long ton (UK). 1 Ounces in each:

DefinitionResult
Short ton (US) 2,000 lb ≈ 907 kg0.00003125 t
Metric tonne 1,000 kg0.00002834952 mt
Long ton (UK) 2,240 lb ≈ 1,016 kg0.00002790179 long-ton (this page)

What is Ounces?

The ounce (symbol: oz) is a unit of mass in the imperial and United States customary systems of measurement. It's commonly used for measuring weight, but it's essential to distinguish between weight and mass. Mass refers to the amount of matter in an object, while weight is the force exerted on that mass by gravity.

Types of Ounces

There are different types of ounces, the most common being the avoirdupois ounce and the troy ounce.

  • Avoirdupois Ounce: Used for everyday measurements of food, household items, and other general goods.

    • 1 avoirdupois ounce is equal to approximately 28.3495 grams.
    • 16 avoirdupois ounces make up one avoirdupois pound.

  • Troy Ounce: Primarily used for measuring precious metals like gold, silver, and platinum.

    • 1 troy ounce is equal to approximately 31.1035 grams.
    • 12 troy ounces make up one troy pound.

It is important to note that one pound of troy is lighter than one pound of avoirdupois since there are less ounces to make it. One troy pound = 373.24 grams and One pound of avoirdupois is equal to approximately 453.592 grams.

How Ounces Came to Be

The term "ounce" has ancient roots, derived from the Roman term "uncia," which meant one-twelfth. This referred to one-twelfth of a Roman pound (libra). Over time, this unit evolved and was adopted into various measurement systems across Europe.

Notable Connections

While no specific law or person is directly tied to the "ounce" itself, its historical significance is linked to commerce, trade, and the standardization of weights and measures. Standardized measurement played a crucial role in the development of science.

Real-World Examples

  • Food: A standard can of soda often contains 12 fluid ounces.
  • Baking: Recipes frequently call for ingredients measured in ounces (e.g., 4 ounces of butter).
  • Precious Metals: Gold and silver are priced and traded by the troy ounce on global markets.
  • Shipping: Small packages are often weighed in ounces for determining shipping costs.

Ounce Conversion Formulas

To convert ounces (oz) to grams (g):

grams=ounces∗28.3495grams = ounces * 28.3495

To convert grams (g) to ounces (oz):

ounces=grams/28.3495ounces = grams / 28.3495

What is the Long Ton?

The long ton is a unit of mass in the British imperial system, historically used for weighing bulk commodities such as coal, ore, and shipping cargo. It is equal to 2,240 pounds and remains familiar in the United Kingdom and in maritime contexts.

Definition

The long ton is defined as exactly 2,240 pounds avoirdupois. Since one pound equals 0.45359237 kg exactly, its SI value is:

1 long-ton=1016.05 kg1\ \text{long-ton} = 1016.05\ \text{kg}

Equivalently, the long ton equals 20 hundredweight (cwt) of 112 lb each, distinguishing it from the 2,000 lb US short ton and the 1,000 kg metric tonne.

Origin and History

The long ton descends from the medieval English "tun," a large cask used to ship wine, whose full weight was standardized in trade. The avoirdupois system fixed the hundredweight at 112 pounds (eight stone of 14 lb), and twenty of these made the ton, giving 2,240 lb. This "long" hundredweight and ton became the standard for British commerce and were carried throughout the Commonwealth and colonial trade.

Law and Notable Facts

The long ton is the British/imperial ton, contrasted with the 2,000 lb US short ton and the 1,000 kg metric tonne (megagram). It is legally recognized in the United Kingdom, though the metric tonne has largely replaced it for official trade. Notably, the long ton (1016 kg) sits remarkably close to the metric tonne (1000 kg), differing by only about 1.6%, which is why "ton" and "tonne" are often used loosely as near-equivalents in shipping.

Real-World Examples and Conversions

  • A long ton equals 1016.05 kg, about 16 kg heavier than a metric tonne.
  • Ship displacement and cargo were traditionally quoted in long tons; a 10,000 long ton vessel carries roughly 10,160 metric tonnes.
  • One long ton (2,240 lb) is 240 lb heavier than one US short ton (2,000 lb), a 12% difference.
  • A long ton of coal (1016 kg) is a typical unit still cited in older British mining and heating records.

Frequently Asked Questions

What is the formula to convert Ounces to Long Tons?

Multiply the number of Ounces by 2.790178571429×10−52.790178571429 \times 10⁻⁵. In formula form, Long Tons=Ounces×2.790178571429×10−5\text{Long Tons} = \text{Ounces} \times 2.790178571429 \times 10⁻⁵, since 1 oz=2.790178571429×10−5 long-ton1\ \text{oz} = 2.790178571429 \times 10⁻⁵\ \text{long-ton}.

How many Long Tons are in 1 Ounce?

There are 2.790178571429×10−52.790178571429 \times 10⁻⁵ Long Tons in one Ounce. Going the other way, one Long Ton equals 3584035840 Ounces.

How do I convert 8000 Ounces to Long Tons?

Multiply 8000 by 2.790178571429×10−52.790178571429 \times 10⁻⁵: 8000×2.790178571429×10−5=0.223214 long-ton8000 \times 2.790178571429 \times 10⁻⁵ = 0.223214\ \text{long-ton}. So 8000 Ounces is about 0.223214 Long Tons.

When would I need to convert Ounces to Long Tons?

Weighing shipments, scrap metal, or bulk cargo where records are kept in Ounces but must be reported in Long Tons. Because the factor is constant, you can convert any amount by simple multiplication.

What exactly is a long ton?

A long ton (also called the imperial or gross ton) is a UK unit of mass equal to 2,240 pounds, or 20 hundredweight. It is heavier than the US short ton (2,000 lb) and close to, but not the same as, the metric tonne (1000 kg).

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Complete Ounces conversion table

oz
UnitResult
Micrograms (mcg)28349520 mcg
Milligrams (mg)28349.52 mg
Grams (g)28.34952 g
Kilograms (kg)0.02834952 kg
Metric Tonnes (mt)0.00002834952 mt
Carats (ct)141.7476 ct
Pounds (lb)0.0625 lb
Stones (st)0.004464286 st
Tons (t)0.00003125 t
Long Tons (long-ton)0.00002790179 long-ton
Troy Ounces (ozt)0.9114583 ozt
Grains (gr)437.5 gr
US Hundredweights (cwt-us)0.000625 cwt-us
UK Hundredweights (cwt-uk)0.0005580357 cwt-uk
Slugs (slug)0.001942559 slug

Mass conversions