A metric ton (symbol: t, also spelled tonne) equals exactly 1,000 kilograms (1 megagram).
Definition & Scientific Metrology
The metric ton is non-SI unit accepted for use with the SI. It is the dominant global unit for maritime freight, cargo containers, bulk commodities, mining, and vehicle weights.
SI Kilogram Base Factor
1 t =
1000 kgOrigins & Historical Evolution
Derived in France in the 19th century to represent 1,000 kg (1 cubic meter of water at 4°C).
1 Metric Ton (Tonne) in Other Mass Units
Direct standard conversion equivalents for 1 t:
| Target Unit | Equivalent Value | Multiplier Equation |
|---|---|---|
| Kilograms (kg) | 1,000 | 1 t × 1000 |
| Pounds (lbs) | 2,204.623 | 1 t × 2204.62262 |
| US Tons (Short tons) | 1.102 | 1 t × 1.10231131 |
| Imperial Long Tons | 0.984 | 1 t × 0.98420653 |
Common Real-World Applications
- Shipping containers and intermodal freight cargo
- Steel, coal, grain, and crude oil commodities
- Aircraft maximum takeoff weights (MTOW)
- Carbon emissions and greenhouse gas calculations
Did You Know?
Interesting Metrology Facts
An average adult African elephant weighs between 4 and 7 metric tons.
1 cubic meter of freshwater weighs exactly 1 metric ton.
Measurement Standards & Accuracy
Standard MultipliersFactors based on the 1959 International Yard and Pound Agreement and NIST SP 811.
Sources
- BIPM International Metrology Treaty
- NIST Guide for SI Units
- ISO 80000-4 Quantities and Units — Mass
Accuracy & Policy
Standard Exact Multipliers (e.g., 1 lb = 0.45359237 kg)
Related Tools & Resources for Metric Ton (Tonne)
Discover calculation widgets, unit comparisons, and printable lookup sheets for t:
Unit Converters
Unit Encyclopedia
Calculators
Weight Difference Calculator (Absolute & Percentage Gap)Weight Difference Calculator (Absolute & Percentage Gap) calculation tool
Tool→
Weight Percentage Calculator (Mass Proportion & Share Tool)Weight Percentage Calculator (Mass Proportion & Share Tool) calculation tool
Tool→
Weight Increase Calculator (Gain & Percentage Growth)Weight Increase Calculator (Gain & Percentage Growth) calculation tool
Tool→
Conversion Charts
Guides & Formulas
How to Convert Kilograms to Pounds (kg to lbs): Step-by-Step GuideConversion guide & practical formula
Guide→
How to Convert Pounds to Kilograms (lbs to kg): The Complete GuideConversion guide & practical formula
Guide→
How to Convert Grams to Ounces (g to oz): Baking & Kitchen GuideConversion guide & practical formula
Guide→