Square metric area unit.
Square Nanometers to Ares Converter — nm2 to a
Convert Square Nanometer (nm2) to Are (a) using the exact conversion factor (1 square nanometer = 1e-20 are). See the formula, worked examples, and conversion table.
Square Nanometers 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-18 / 100.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Nanometers to Ares
Comparing Square Nanometer 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 nanometers × 1e-20
This factor comes from each unit's defined relationship to the category's base unit: 1 square nanometer equals 1e-18 base units, and 1 are equals 100 base units, so dividing one by the other gives the direct square nanometer-to-are factor of 1e-20.
Simple example
1 nm2 × 1e-20 = 1e-20 a
1 square nanometer = 1e-20 ares.
Real-world example
10 nm2 × 1e-20 = 1e-19 a
10 square nanometers = 1e-19 ares.
Conversion table
| Square Nanometer (nm2) | Are (a) |
|---|---|
| 1 nm2 | 1e-20 a |
| 5 nm2 | 5e-20 a |
| 10 nm2 | 1e-19 a |
| 25 nm2 | 2.5e-19 a |
| 50 nm2 | 5e-19 a |
| 100 nm2 | 1e-18 a |
Reverse conversion: Are to Square Nanometer
1e-20 a × 1e+20 = 1 nm2
1e-20 ares = 1 square nanometers.
square nanometers = ares × 1e+20
For a page dedicated to this direction, see Are to Square Nanometer.
Understanding the Square Nanometer (nm2)
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 nanometer?
1 square nanometer equals 1e-20 ares, using the exact defined conversion factor rather than an estimate.
How do I convert square nanometer to are?
Multiply the square nanometer value by 1e-20. The converter above does this instantly to whatever precision you set.
How do I convert are back to square nanometer?
Use the reverse factor: 1 are equals 1e+20 square nanometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a square nanometer?
Square Nanometer (nm2) is a unit of area.
What is a are?
Are (a) is a unit of area.
Is the square nanometer to are conversion exact?
Yes. Both square nanometer and are are defined by fixed standards rather than physical artifacts, so the factor of 1e-20 used above is exact to as many digits as you choose to display.