Metric tons to Long tons Converter — t to long ton

Convert Metric ton (t) to Long ton (long ton) using the exact conversion factor (1 metric ton = 0.9842065276 long ton). See the formula, worked examples, conversion table, history, and common uses.

Metric tons to Long tons converter

Converter

Mass/Weight Converter

Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.

Result 1 metric ton = 0.9842065276 long ton
Advertisement Converter ad slot

Reserved below the result so the calculator remains usable.

From definition

A metric ton is 1,000 kilograms.

To definition

A British long ton is 2,240 pounds.

Formula

Result = input x 1000 / 1016.046909.

Mass uses the kilogram as the base unit.

Advertisement Ad slot: content top (728x90)

Reserved above the conversion cards and below the converter.

About Converting Metric tons to Long tons

Weight conversions between Metric ton and Long ton come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Metric ton is most often used for international shipping and freight weight.

Formula

long tons = metric tons × 0.984206527611

This factor comes from each unit's defined relationship to the category's base unit: 1 metric ton equals 1000 base units, and 1 long ton equals 1016.0469088 base units, so dividing one by the other gives the direct metric ton-to-long ton factor of 0.984206527611.

Simple example

1 t × 0.9842065276 = 0.9842065276 long ton

1 metric ton = 0.9842065276 long tons.

Real-world example

50 t × 0.9842065276 = 49.21032638 long ton

50 metric tons = 49.21032638 long tons.

Conversion table

Metric ton (t)Long ton (long ton)
1 t0.9842065276 long ton
5 t4.921032638 long ton
10 t9.842065276 long ton
25 t24.60516319 long ton
50 t49.21032638 long ton
100 t98.42065276 long ton

Reverse conversion: Long ton to Metric ton

0.9842065276 long ton × 1.016046909 = 1 t

0.9842065276 long tons = 1 metric tons.

metric tons = long tons × 1.0160469088

For a page dedicated to this direction, see Long ton to Metric ton.

Understanding the Metric ton

Metric ton (t) measures mass. A tonne is exactly 1,000 kilograms. It is classified as a Non-SI unit accepted for use with SI (also called metric ton).

Where it's used: Used worldwide except the US, which uses the short ton (2,000 lb)

Tonne vs. US (short) ton vs. UK (long) ton. The metric tonne (1,000 kg ≈ 2,204.6 lb) is different from both the US short ton (2,000 lb ≈ 907.2 kg) and the UK long ton (2,240 lb ≈ 1,016 kg) — all three are used in different shipping and industrial contexts and should not be assumed interchangeable.

Uses of the Metric ton today

  • International shipping and freight weight
  • Industrial and commodity trade (steel, grain, shipping) worldwide
  • Vehicle and cargo weight ratings outside the US

History of the Metric ton

The tonne follows directly from the kilogram via the standard 'kilo-' scaling by 1,000, adopted as a convenient large-mass unit alongside the metric system's spread through international trade and industry from the 19th century onward.

Historical origin. Metric ton was not the invention of a single named person; it developed through the process described above.

Understanding the Long ton (long ton)

A British long ton is 2,240 pounds.

Metric ton — sources

  • BIPM SI Brochure — Non-SI units accepted for use with SI — Lists the tonne among accepted non-SI mass units.
Advertisement Ad slot: content middle (728x90)

Reserved between the cards and the FAQ so the page stays balanced.

Frequently asked questions

How many long tons are in 1 metric ton?

1 metric ton equals 0.9842065276 long tons, using the exact defined conversion factor rather than an estimate.

How do I convert metric ton to long ton?

Multiply the metric ton value by 0.9842065276. The converter above does this instantly to whatever precision you set.

How do I convert long ton back to metric ton?

Use the reverse factor: 1 long ton equals 1.016046909 metric tons. You can also use the swap control in the converter above to flip the direction instantly.

What is a metric ton?

Metric ton (t) measures mass. A tonne is exactly 1,000 kilograms. It is classified as a Non-SI unit accepted for use with SI (also called metric ton).

What is a long ton?

Long ton (long ton) is a unit of mass/weight.

Is the metric ton to long ton conversion exact?

Yes. A tonne is exactly 1,000 kilograms. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.

What is the difference between tonne vs. us (short) ton vs. uk (long) ton?

The metric tonne (1,000 kg ≈ 2,204.6 lb) is different from both the US short ton (2,000 lb ≈ 907.2 kg) and the UK long ton (2,240 lb ≈ 1,016 kg) — all three are used in different shipping and industrial contexts and should not be assumed interchangeable.

Where is the metric ton still used today?

Used worldwide except the US, which uses the short ton (2,000 lb)