Ton vs. Tonne: What's the Difference?

Ton and Tonne Definitions
Ton
A unit of weight equal to 2,000 pounds (0.907 metric ton or 907.18 kilograms). Also called net ton, short ton.
Tonne
A metric ton.
Ton
A unit of weight equal to 2,240 pounds (1.016 metric tons or 1,016.05 kilograms). Also called long ton.
Tonne
A metric unit of mass equal to a thousand kilograms. Symbol: t
Ton
A metric ton. See Table at measurement.
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Tonne
A score of 100.
Ton
A unit of capacity for cargo in maritime shipping, normally estimated at 40 cubic feet.
Tonne
A tun.
Ton
A unit of internal capacity of a ship equal to 100 cubic feet.
Tonne
A metric ton.
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Ton
A unit for measuring the displacement of ships, equal to 35 cubic feet, and supposed to equal the volume taken by a long ton of seawater.
Tonne
A unit of weight equivalent to 1000 kilograms
Ton
A large extent, amount, or number
Has a ton of work.
Gets tons of fan mail.
Ton
Used adverbially with a or in the plural to mean "to a great degree or extent" or "frequently"
Felt a ton better.
Has seen her tons lately.
Ton
A unit of weight (mass) equal to 2240 pounds (a long ton) or 2000 pounds (a short ton) or 1000 kilograms (a metric ton).
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Ton
A unit of volume; register ton.
Ton
In refrigeration and air conditioning, a unit of thermal power defined as 12,000 BTU/h (about 3.514 kW or 3024 kcal/h), originally the rate of cooling provided by uniform isothermal melting of one short ton of ice per day at 32 °F (0 °C).
Ton
A large amount.
I’ve got a ton of work to do.
I've got tons of work to do.
Ton
(slang) A speed of 100 mph.
Ton
One hundred pounds sterling.
Ton
(cricket) One hundred runs.
Ton
One hundred points scored.
Ton
Fashion, the current style, the vogue.
Ton
Fashionable society; those in style.
Ton
The common tunny, or horse mackerel.
Ton
The prevailing fashion or mode; vogue; as, things of ton.
If our people of ton are selfish, at any rate they show they are selfish.
Ton
A measure of weight or quantity.
Ton
The weight of twenty hundredweight.
Ton
Forty cubic feet of space, being the unit of measurement of the burden, or carrying capacity, of a vessel; as a vessel of 300 tons burden.
Ton
A certain weight or quantity of merchandise, with reference to transportation as freight; as, six hundred weight of ship bread in casks, seven hundred weight in bags, eight hundred weight in bulk; ten bushels of potatoes; eight sacks, or ten barrels, of flour; forty cubic feet of rough, or fifty cubic feet of hewn, timber, etc.
Ton
A United States unit of weight equivalent to 2000 pounds
Ton
A British unit of weight equivalent to 2240 pounds