Square metric area unit.
Square Petameters to Ares Converter — Pm2 to a
Convert Square Petameter (Pm2) to Are (a) using the exact conversion factor (1 square petameter = 1e+28 are). See the formula, worked examples, and conversion table.
Square Petameters to Ares 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.
An are is 100 square meters.
Result = input x 1e+30 / 100.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Petameters to Ares
Comparing Square Petameter and Are 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. Specifically: Square metric area unit, and an are is 100 square meters.
Formula
ares = square petameters × 1e+28
This factor comes from each unit's defined relationship to the category's base unit: 1 square petameter equals 1e+30 base units, and 1 are equals 100 base units, so dividing one by the other gives the direct square petameter-to-are factor of 1e+28.
Simple example
1 Pm2 × 1e+28 = 1e+28 a
1 square petameter = 1e+28 ares.
Real-world example
10 Pm2 × 1e+28 = 1e+29 a
10 square petameters = 1e+29 ares.
Conversion table
| Square Petameter (Pm2) | Are (a) |
|---|---|
| 1 Pm2 | 1e+28 a |
| 5 Pm2 | 5e+28 a |
| 10 Pm2 | 1e+29 a |
| 25 Pm2 | 2.5e+29 a |
| 50 Pm2 | 5e+29 a |
| 100 Pm2 | 1e+30 a |
Reverse conversion: Are to Square Petameter
1e+28 a × 1e-28 = 1 Pm2
1e+28 ares = 1 square petameter.
square petameters = ares × 1e-28
For a page dedicated to this direction, see Are to Square Petameter.
Understanding the Square Petameter (Pm2)
Square metric area unit.
Understanding the Are (a)
An are is 100 square meters.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ares are in 1 square petameter?
1 square petameter equals 1e+28 ares, using the exact defined conversion factor rather than an estimate.
How do I convert square petameter to are?
Multiply the square petameter value by 1e+28. The converter above does this instantly to whatever precision you set.
How do I convert are back to square petameter?
Use the reverse factor: 1 are equals 1e-28 square petameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square petameter?
Square Petameter (Pm2) is a unit of area.
What is a are?
Are (a) is a unit of area.
Is the square petameter to are conversion exact?
Yes. Both square petameter and are are defined by fixed standards rather than physical artifacts, so the factor of 1e+28 used above is exact to as many digits as you choose to display.