Gallon To Tons
Convert US gallons to US tons, UK tons, or metric tonnes based on substance density. Free volume-to-weight converter for water, diesel, gasoline, milk, oil, and honey.
About This Calculator
The Gallon To Tons Converter is a free online volume-to-weight tool that converts US gallons to US short tons, UK long tons, or metric tonnes based on the density of the selected substance. Whether you are shipping liquids, managing fuel inventories, or working on industrial calculations, this converter provides accurate weight equivalents for water, diesel fuel, gasoline, milk, cooking oil, honey, and salt water.
The conversion uses a three-step formula: gallons are first converted to liters (1 US gal = 3.78541 L), then multiplied by the substance density in kg/L to obtain the mass in kilograms, and finally divided by the kilograms per ton (907.185 for US ton, 1016.05 for UK ton, or 1000 for metric tonne). Results also display the equivalent weight in pounds for convenience.
Regional Notes
United States: The US short ton (2000 lb) and US gallon are the standard units for shipping, fuel, and industrial applications. This calculator defaults to US gallons and US tons for American users.
United Kingdom: The UK uses the long ton (2240 lb) for certain industrial and shipping contexts, while metric tonnes are common in scientific and international trade. UK fuel is sold in liters but bulk storage may use gallons.
India: The metric tonne (1000 kg) is the standard unit for weight in Indian industry, shipping, and agriculture. Gallons are less commonly used; however, this converter is useful for international trade and customs declarations.
Frequently Asked Questions
How many gallons are in a US ton of water?
There are approximately 239.65 US gallons in one US ton (2000 lb) of fresh water at 4 °C. This varies by substance density — for example, diesel fuel has about 286 gallons per US ton because it is less dense than water.
How do you convert gallons to tons?
To convert gallons to tons, multiply the volume in gallons by the substance density in kg/L and by 3.78541 to get kilograms, then divide by the kilograms per ton (907.185 for US ton, 1016.05 for UK ton, or 1000 for metric tonne).
How many gallons are in a metric tonne of water?
There are 264.17 US gallons in one metric tonne (1000 kg) of fresh water. A metric tonne is about 10% heavier than a US ton, so it requires more gallons to reach one tonne.
What is the difference between US ton, UK ton, and metric tonne?
A US short ton equals 2000 lb (907.185 kg), a UK long ton equals 2240 lb (1016.05 kg), and a metric tonne equals 1000 kg (2204.62 lb). The metric tonne is the most widely used internationally, while the US ton is standard in the United States and the UK ton is used in British industries.
Is this gallons to tons converter free?
Yes, all calculators on Calculy are completely free to use. No registration or download is required.
Can I convert gallons to tons for any liquid?
This calculator supports water, salt water, milk, cooking oil, gasoline, diesel fuel, and honey with built-in densities. Each substance has a different density, which directly affects the weight in tons. For custom substances, you can approximate by choosing the closest match.
How many gallons of diesel are in a US ton?
Diesel fuel has a density of approximately 0.85 kg/L, which means one US gallon of diesel weighs about 7.09 lb. Therefore, one US ton (2000 lb) contains roughly 286 gallons of diesel fuel.