A **gigaton****(Gt**) is a unit of measurement for mass and corresponds to one billion tons. In science, the gigaton is often used to describe large quantities, such as the amount of carbon dioxide in the atmosphere. One gigaton is equal to 1 billion tons or 1,000 megatons.

## Calculator

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- Enter the number of gigatons into the calculator.
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## Basic conversions

**1 gigaton (Gt)**: Basis for our conversion.**1 Gt = 1 billion tons**: One ton is equal to 1,000 kilograms.**1 Gt = 1,000 megatons (Mt)**: One megaton equals one million tons.**1 Gt = 1,000,000 kilotons (kt)**: One kiloton equals 1,000 metric tons.**1 Gt = 1,000,000,000,000 kilograms (kg)**: The kilogram is the base SI unit for mass.

## Conversion to imperial units

For those who are more familiar with the imperial system, here are some conversions:

**1 Gt = about 2.2046 trillion pounds (lbs)****1 Gt = about 1.1023 trillion short tons**(US ton): One short ton equals 2,000 lbs.

## Relation to other orders of magnitude

To get an idea of how massive a gigaton is, here are a few comparisons:

**Volume of water**: one ton of water has a volume of about 1 cubic meter. Therefore, 1 Gt of water corresponds to a cube with an edge length of about 10 kilometers!**Ice masses**: In climate reports, the melting of ice masses is often reported in gigatons. A loss of just a few Gt of ice can already lead to noticeable rises in sea level.**Carbon dioxide**: If you consider humanity as a whole, we emit many gigatons of CO2 into the atmosphere every year.

## Conclusion

A gigaton is an incredibly large mass. Converting it into more familiar units can help us understand the scale, especially when we are talking about global phenomena such as climate change. By making these numbers more tangible, we can get a better picture of the impact of our actions on the Earth.

## Weight

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- Gram in micrograms
- Gram in milligrams
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- Kilogram
- Kilogram in decagrams
- Kilogram in grams
- Kilogram in hundredweight
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- Kilogram in pounds
- Kilograms in tons
- Kiloton
- Megaton
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- Teratonne
- Ton
- Ton in decitonne
- Ton in gigatonne
- Ton in kiloton
- Ton in Long ton
- Ton in Short ton
- Tonne in megatonne
- Zentner

## Weight

- Carat
- Centigram
- Decagram
- Decigram
- Decitonne
- Femtogram
- Gigatonne
- Gram
- Gram in carat
- Gram in decigrams
- Gram in micrograms
- Gram in milligrams
- Gram in nanogram
- Gram in ounce
- Kilogram
- Kilogram in decagrams
- Kilogram in grams
- Kilogram in hundredweight
- Kilogram in Pound
- Kilogram in pounds
- Kilograms in tons
- Kiloton
- Megaton
- Micrograms
- Milligram
- Nanogram
- Ounce
- Picogram
- Pound
- Pound
- Short tone
- Teratonne
- Ton
- Ton in decitonne
- Ton in gigatonne
- Ton in kiloton
- Ton in Long ton
- Ton in Short ton
- Tonne in megatonne
- Zentner