Square metric area unit.
Square Gigameters to Square Terameters Converter — Gm2 to Tm2
Convert Square Gigameter (Gm2) to Square Terameter (Tm2) using the exact conversion factor (1 square gigameter = 0.000001 square terameter). See the formula, worked examples, and conversion table.
Square Gigameters to Square Terameters converter
Converter
Area Converter
Convert land, construction, mapping, survey, and scientific area units.
Context values
Some unit families need one extra value for a physically accurate result.
Square metric area unit.
Result = input x 1e+18 / 1e+24.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Gigameters to Square Terameters
Comparing Square Gigameter and Square Terameter is common in agriculture and real estate, where US land is typically measured in acres and most of the rest of the world uses hectares. Both are square metric area unit units.
Formula
square terameters = square gigameters × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 square gigameter equals 1e+18 base units, and 1 square terameter equals 1e+24 base units, so dividing one by the other gives the direct square gigameter-to-square terameter factor of 0.000001.
Simple example
1 Gm2 × 0.000001 = 0.000001 Tm2
1 square gigameter = 0.000001 square terameters.
Real-world example
10 Gm2 × 0.000001 = 0.00001 Tm2
10 square gigameters = 0.00001 square terameters.
Conversion table
| Square Gigameter (Gm2) | Square Terameter (Tm2) |
|---|---|
| 1 Gm2 | 0.000001 Tm2 |
| 5 Gm2 | 0.000005 Tm2 |
| 10 Gm2 | 0.00001 Tm2 |
| 25 Gm2 | 0.000025 Tm2 |
| 50 Gm2 | 0.00005 Tm2 |
| 100 Gm2 | 0.0001 Tm2 |
Reverse conversion: Square Terameter to Square Gigameter
0.000001 Tm2 × 1000000 = 1 Gm2
0.000001 square terameters = 1 square gigameter.
square gigameters = square terameters × 1000000
For a page dedicated to this direction, see Square Terameter to Square Gigameter.
Understanding the Square Gigameter (Gm2)
Square metric area unit.
Understanding the Square Terameter (Tm2)
Square metric area unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square terameters are in 1 square gigameter?
1 square gigameter equals 0.000001 square terameters, using the exact defined conversion factor rather than an estimate.
How do I convert square gigameter to square terameter?
Multiply the square gigameter value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert square terameter back to square gigameter?
Use the reverse factor: 1 square terameter equals 1,000,000 square gigameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square gigameter?
Square Gigameter (Gm2) is a unit of area.
What is a square terameter?
Square Terameter (Tm2) is a unit of area.
Is the square gigameter to square terameter conversion exact?
Yes. Both square gigameter and square terameter are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.