A gigatonne(gt) is the equivalent of 1,000,000,000 tons (factor:109). A gigaton is therefore a unit of measurement for particularly heavy weights or masses. It is even larger than the kiloton (1,000 tons or103) and the megaton (1,000,000 tons or106).

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Table - Ton in Gigatonne

Ton (t) Gigatonne (Gt)
1 t 0,000000001 Gt
10 t 0,000000010 Gt
25 t 0,000000025 Gt
50 t 0,000000050 Gt
100 t 0,000000100 Gt

Table - Gigatonne in Ton

Gigatonne (Gt) Ton (t)
1 Gt 1.000.000.000 t
5 Gt 5.000.000.000 t
25 Gt 25.000.000.000 t
50 Gt 50.000.000.000 t
1.000 Gt 1.000.000.000.000 t

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A tonne is a metric unit of measurement for mass and corresponds to 1000 kilograms. The gigatonne is a much larger unit and is equal to one billion tons. In scientific notation, this is often expressed as 10^9 tons.

To convert tons to gigatons, you divide the number of tons by a billion (10^9). So, for example, if you have 2 billion tons and want to know how many gigatons that is, you divide 2 billion by a billion to get 2 gigatons.

This is particularly useful in geology, climatology and astrophysics, where very large mass quantities are often used. For example, annual carbon dioxide emissions are often measured in gigatons to better represent the large amounts of CO2.

It is important to note that the metric system used internationally in science is based on powers of ten, which makes it easier to convert between different units.

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