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Convert Calc

Metric Tonnes (t) to Long Tons (UK ton) Converter

Enter a value to instantly convert between weight units.

Precision4 dp

1 Metric Ton = 0.9842 Long Ton (UK)

Key Formulas

Kilogram → Pound

lb = kg × 2.20462

Pound → Kilogram

kg = lb × 0.453592

Gram → Ounce

oz = g × 0.035274

Ounce → Gram

g = oz × 28.3495

Formula

ton = t × 0.984207

One metric tonne is slightly less than one UK long ton (1000 kg vs 1016 kg). The conversion factor is 0.984207 — so 10 tonnes is about 9.84 long tons. While the UK has largely metricated, long tons still appear in naval architecture, some commodity trading, and certain UK port documentation.

Source: NIST SP 811, Table B.8

Frequently Asked Questions

Real-World Examples

A UK port authority receiving 1 tonne of cargo from a metric-country converts to 0.984 long tons for the traditional manifest.

1 t = 0.984 lt

A British commodity trader calculating 10 tonnes of sugar in long tons for the traditional contract — 9.84 LT.

10 t = 9.842 lt

A UK shipping company converting 5 tonnes of cargo for a naval architect's displacement calculation — 4.92 long tons.

5 t = 4.921 lt

A British naval architect calculating 20 tonnes of ship displacement in traditional long tons — 19.68 LT.

20 t = 19.684 lt