Sector Area Calculator
Compute the area of a circular sector: A = (θ/360)·πr².
Input Data
Radius.
Central angle in degrees.
Results
13.09
Sector area = (θ/360)πr² = 13.09.
At a glance:Sector area for central angle θ (degrees): A = (θ/360)·πr².
Formula
A = (θ/360)·πr².
How to Use
- Enter radius r and central angle θ (degrees).
- The tool returns sector area A.
Case Studies
r=5, θ=60 → 13.09
A = (60/360)·π·25 ≈ 13.09.
FAQ
Radians?
Use A = (θ/2)·r² with θ in radians; this tool uses degrees.
Full circle?
θ=360 gives circle area πr².
Related Tools
References
Content reviewed by the Calculatorism editorial team. Results are for reference only; please refer to the relevant authorities for the official figures.