Circles & Curved Figures

Diameter to Area Calculator Convert between diameter, radius, circle area, and circumference. Calculation Mode Diameter → AreaRadius → AreaArea → DiameterArea → RadiusDiameter → CircumferenceRadius → Circumference Diameter (D) Radius (R) Area (A) Area (A) Diameter (D) Radius (R) Select Unit mmcmminft Calculate   Many everyday objects are circular in shape. Wheels, plates, pipes, wires,…

Circle Area Calculator Compute the circle area using radius or diameter, and convert between diameter/radius from a known area. Mode Radius → AreaDiameter → AreaArea → RadiusArea → DiameterRadius → CircumferenceDiameter → Circumference Radius (R) Diameter (D) Area (A) Area (A) Radius (R) Diameter (D) Select Unit mmcmminft Calculate A circle is one of the…