How to use the home range area calculator
Find the area of a circular home range from its radius. Enter home range radius in the field above; the home range area are computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “home range area”, “animal territory size”, “circular home range”, “calculate home range area”, “find home range area”.
Formula
Variables
- r — Home range radius (m)
Worked example
With home range radius = 300 m, the calculator gives home range area ≈ 28.27433 hectares; home range area ≈ 0.2827433 km².
Frequently asked questions
What is the home range area calculator used for?
Find the area of a circular home range from its radius. It helps with questions such as “home range area”, “animal territory size”, “circular home range”.
What is the formula for the home range area calculation?
Home range area (hectares) = π × r × r / 10000. Home range area (km²) = [Home range area] / 100. Here r is home range radius (m).
What inputs do I need for the home range area calculator?
You need home range radius in m. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the home range area calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the home range area result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.