Sector Area Calculator
Calculate the area of a circular sector from the radius and central angle.
Enter radius and angle.
Sector Area Formula
Area = (θ/360) × πr²
Example: r = 8, θ = 60°
Area = (60/360) × π(64) = (1/6) × 201.06 = 33.51
Area = (60/360) × π(64) = (1/6) × 201.06 = 33.51
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Last updated: 2026-08-08