Convert Metric Tons to Gigatons
Convert Metric Tons (t) to Gigatons (Gt) instantly and accurately.
Conversion Formula
Gt = t × 1.000000000e-9
About Metric Tons
A metric ton (t), also called a tonne, equals exactly 1,000 kilograms. It is the standard large mass unit in the international SI system, used worldwide for shipping, trade, agriculture, industry, and environmental monitoring. Global steel production, grain harvests, CO₂ emissions, shipping freight, and oil production are all reported in millions of metric tonnes. A standard TEU shipping container can carry up to approximately 28 metric tonnes of cargo. Carbon footprint calculators express emissions in CO₂ equivalent tonnes (tCO₂e).
About Gigatons
A gigaton (Gt) equals one billion metric tonnes (10¹² kg). It is the standard unit for planetary-scale mass measurements and global environmental budgets. Annual human CO₂ emissions are approximately 37 Gt CO₂; Earth's atmosphere contains roughly 5,480 Gt of air; Antarctic ice sheet mass is around 26,500,000 Gt of ice. Climate scientists report ice sheet mass balance changes in gigatons per year - the Greenland ice sheet loses approximately 280 Gt of ice annually due to climate change.
Quick Reference Table
| Metric Tons (t) | Gigatons (Gt) |
|---|---|
| 1 t | 1 × 10-9 Gt |
| 2 t | 2 × 10-9 Gt |
| 5 t | 5 × 10-9 Gt |
| 10 t | 1 × 10-8 Gt |
| 25 t | 2.5 × 10-8 Gt |
| 50 t | 5 × 10-8 Gt |
| 100 t | 1 × 10-7 Gt |