Definition:Metric System/Mass/Tonne

Definition

The tonne is an SI unit of mass.

$1$ tonne is defined as $= 1000$ kilograms.

Conversion Factors

\(\ds \)

\(\)

\(\ds 1\)

tonne

\(\ds \)

\(=\)

\(\ds 1000\)

kilogram

\(\ds \)

\(=\)

\(\ds 2204 \cdotp 62\)

pounds avoirdupois

\(\ds \)

\(\approx\)

\(\ds 0 \cdotp 9842\)

tons

Symbol

$\mathrm t$

The symbol for the tonne is $\mathrm t$.

The $\LaTeX$ code for \(\mathrm t\) is \mathrm t .

Also see

• Definition:Kilogram
• Definition:Gram

Sources

• 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $1.$ Units and Abbreviations: $1.3$ British and other units
• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): tonne
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): tonne
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): tonne
• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): tonne