1 E+18 m²
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(Redirected from 1 E+21 m²)
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To help compare sizes of different surface areas, we list here areas between 1018 square metres and 1024 square metres, i.e. those between 1 trillion km2 and 1 quintillion km2.
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[edit] Smaller areas
[edit] 1 E+18 m2
- 1 trillion km2 is equal to:
- 1 E+18 m2
- 1 square gigameter
- 6,100,000 million km2 -- surface area of the Sun
[edit] 1 E+21 m2
[edit] 1 E+22 m2
- 1.1 · 1022 m2 - area swept by Mercury's orbit around Sun
- 3.7 · 1022 m2 - area swept by Venus's orbit around Sun
- 7.1 · 1022 m2 - area swept by Earth's orbit around Sun
[edit] 1 E+23 m2
- 1.6 · 1023 m2 — area swept by Mars's orbit around Sun
- 2.81 · 1023 m2 — surface area of a Dyson Shell with a radius of 1 AU.
[edit] Larger areas
[edit] See also
| Orders of magnitude for area | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 E−30 m2 = 1 fm2 | 1 E−24 m2 = 1 pm2 | 1 E−18 m2 = 1 nm2 | 1 E−12 m2 = 1 µm2 | 1 E−6 m2 = 1 mm2 | 1 E0 m2 = 1 m2 | 1 E+6 m2 = 1 km2 | 1 E+12 m2 = 1 Mm2 | 1 E+18-24 m2 : 1 Gm2 |
| 10 fm2 | 10 pm2 | 10 nm2 | 10 µm2 | 10 mm2 | 10 m2 | 10 km2 | 10 Mm2 | > 1 E+24 m2 : 1 Tm2 |
| 100 fm2 | 100 pm2 | 100 nm2 | 100 µm2 | 100 mm2 = 1 cm2 | 100 m2 = 1 a | 100 km2 | 100 Mm2 | |
| 1,000 fm2 | 1,000 pm2 | 1,000 nm2 | 1,000 µm2 | 10 cm2 | 10 a | 1,000 km2 | 1,000 Mm2 | |
| 10,000 fm2 | 10,000 pm2 | 10,000 nm2 | 10,000 µm2 | 100 cm2 | 10,000 m2 = 1 ha | 10,000 km2 | 10,000 Mm2 | |
| 100,000 fm2 | 100,000 pm2 | 100,000 nm2 | 100,000 µm2 | 1,000 cm2 | 10 ha | 100,000 km2 | 100,000 Mm2 | |
| SI derived unit square metre, from base unit metre | Conversion of units for area | |||||||
