Grain to Ton (UK) Conversion Calculator: Free Online Tool

Convert grains to long tons with our free online weight converter.

Grain to Ton (UK) Calculator

Grain
Ton (UK)

How to Use the Calculator:

  1. Enter the value you want to convert in the 'From' field (Grain).
  2. The converted value in Ton (UK) will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Weight category.
  4. Click the swap button (⇌) to reverse the conversion direction.

How to Convert Grain to Ton (UK)

Converting Grain to Ton (UK) involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Grain = 6.37755e-8 long tons

Example Calculation:

Convert 5 grains: 5 × 6.37755e-8 = 3.18877e-7 long tons

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

What is a Grain and a Ton (UK)?

The grain (gr) is a unit of mass in the traditional English weight systems (Avoirdupois, Troy, and Apothecaries'). It was originally based on the weight of a single grain of barley. It is defined as exactly 64.79891 milligrams (or 1/7000 of an avoirdupois pound).

The UK Ton, also known as the Long Ton or Imperial Ton, is a unit of mass in the Imperial system. It is defined as 2,240 pounds, which is equivalent to 1,016.0469088 kilograms.

Note: The Grain is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Ton (UK) belongs to the imperial/US customary system.

History of the Grain and Ton (UK)

The grain is one of the oldest units of mass, dating back to antiquity, using seeds (like barley or wheat) as weight standards. It formed the legal basis for English weight systems and remains defined in terms of metric units today.

The term "ton" originates from the "tun," a large cask used in the wine trade. The long ton was standardized in the British Weights and Measures Act of 1824 and was historically used in the UK and Commonwealth countries for trade and shipping.

Common Uses for grains and long tons

Explore the typical applications for both Grain (imperial/US) and Ton (UK) (imperial/US) to understand their common contexts.

Common Uses for grains

  • Ammunition: Measuring the mass of bullets and gunpowder charges.
  • Archery: Measuring the mass of arrows and arrowheads.
  • Medicine & Pharmacy: Historically used in the apothecaries' system; sometimes still used for measuring dosage of certain older medications (e.g., aspirin).
  • Jewelry: Used in the troy system (24 grains = 1 pennyweight).
  • Reloading: Handloading ammunition requires precise measurement in grains.

Common Uses for long tons

  • Historically used for shipping bulk commodities in the UK and Commonwealth.
  • Sometimes still used for measuring ship displacement.
  • Occasionally encountered in older engineering specifications or historical contexts.

Frequently Asked Questions

Questions About Grain (gr)

How many grains are in an ounce (avoirdupois)?

There are 437.5 grains (gr) in 1 avoirdupois ounce (oz).

How many grains are in a pound (avoirdupois)?

There are 7,000 grains (gr) in 1 avoirdupois pound (lb).

How many milligrams are in a grain?

There are exactly 64.79891 milligrams (mg) in 1 grain (gr).

About Ton (UK) (long ton)

How many pounds are in a UK Ton (Long Ton)?

There are exactly 2,240 pounds (lb) in 1 UK Ton (long ton).

Is a UK Ton larger than a US Ton?

Yes, a UK Ton (2,240 lb) is larger than a US Ton (short ton, 2,000 lb).

How does the UK Ton compare to the metric ton?

A UK Ton (1,016.05 kg) is very close to, but slightly larger than, a metric ton (tonne, 1,000 kg).

Conversion Table: Grain to Ton (UK)

Grain (gr)Ton (UK) (long ton)
10
50
100
250
500
1000
5000
1,0000

All Weight Conversions

Kilogram to GramKilogram to MilligramKilogram to PoundKilogram to OunceKilogram to StoneKilogram to Ton (metric)Kilogram to Ton (US)Kilogram to Ton (UK)Kilogram to MicrogramKilogram to CaratKilogram to SlugKilogram to Troy OunceKilogram to PennyweightKilogram to GrainKilogram to DramKilogram to QuintalKilogram to Atomic Mass UnitKilogram to Pavan (India)Kilogram to Kati (India)Kilogram to Masha (India)Kilogram to Dina (India)Kilogram to Pras (India)Kilogram to Lota (India)Gram to KilogramGram to MilligramGram to PoundGram to OunceGram to StoneGram to Ton (metric)Gram to Ton (US)Gram to Ton (UK)Gram to MicrogramGram to CaratGram to SlugGram to Troy OunceGram to PennyweightGram to GrainGram to DramGram to QuintalGram to Atomic Mass UnitGram to Pavan (India)Gram to Kati (India)Gram to Masha (India)Gram to Dina (India)Gram to Pras (India)Gram to Lota (India)Milligram to KilogramMilligram to GramMilligram to PoundMilligram to OunceMilligram to StoneMilligram to Ton (metric)Milligram to Ton (US)Milligram to Ton (UK)Milligram to MicrogramMilligram to CaratMilligram to SlugMilligram to Troy OunceMilligram to PennyweightMilligram to GrainMilligram to DramMilligram to QuintalMilligram to Atomic Mass UnitMilligram to Pavan (India)Milligram to Kati (India)Milligram to Masha (India)Milligram to Dina (India)Milligram to Pras (India)Milligram to Lota (India)Pound to KilogramPound to GramPound to MilligramPound to OuncePound to StonePound to Ton (metric)Pound to Ton (US)Pound to Ton (UK)Pound to MicrogramPound to CaratPound to SlugPound to Troy OuncePound to PennyweightPound to GrainPound to DramPound to QuintalPound to Atomic Mass UnitPound to Pavan (India)Pound to Kati (India)Pound to Masha (India)Pound to Dina (India)Pound to Pras (India)Pound to Lota (India)Ounce to KilogramOunce to GramOunce to MilligramOunce to PoundOunce to StoneOunce to Ton (metric)Ounce to Ton (US)Ounce to Ton (UK)Ounce to MicrogramOunce to CaratOunce to SlugOunce to Troy OunceOunce to PennyweightOunce to GrainOunce to DramOunce to QuintalOunce to Atomic Mass UnitOunce to Pavan (India)Ounce to Kati (India)Ounce to Masha (India)Ounce to Dina (India)Ounce to Pras (India)Ounce to Lota (India)Stone to KilogramStone to GramStone to MilligramStone to PoundStone to Ounce