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