Radius to Area
Convert Radius to Area. Example: 1 Radius = 3.14159 Area. Includes formula and conversion table.
1 Radius = 3.14159 Area (standard conversion factor). · Updated 2026-07-12
Circle Calculator
Radius to Area Conversion Table
Common Radius to Area conversion values
| Radius | Area |
|---|---|
| 1 r | 3.142 A |
| 10 r | 314.159 A |
| 50 r | 7853.982 A |
| 100 r | 31415.927 A |
| 500 r | 785398.163 A |
| 1000 r | 3141592.654 A |
The formula
Circle conversions use π-based geometry (radius, diameter, circumference, area).
Example: 1 Radius = 3.14159 Area