Calculadora del área de un círculo

Calcule el área, la circunferencia e información útil sobre el diseño de cualquier círculo.

Distance from the centre of the circle to any point on its edge.

Vista previa en vivo

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Resultado

Área del círculo

706.86 cm²

A = π × r²

Radio

15.00 cm

Half of the diameter

Diámetro

30.00 cm

Distance across the circle

Circunferencia

94.25 cm

Perimeter of the circle

Conversiones de área

Millimeters (mm²) 70,685.83
Centimeters (cm²) 706.86
Meters (m²) 0.07
Kilometers (km²) 0.00
Inches (in²) 109.56
Feet (ft²) 0.76
Yards (yd²) 0.08

Radio, diámetro y circunferencia

Unidad Radio Diámetro Circunferencia
Millimeters (mm) 150.00 300.00 942.48
Centimeters (cm) 15.00 30.00 94.25
Meters (m) 0.15 0.30 0.94
Kilometers (km) 0.00 0.00 0.00
Inches (in) 5.91 11.81 37.11
Feet (ft) 0.49 0.98 3.09
Yards (yd) 0.16 0.33 1.03

Perspectivas de diseño

Quarter circle area

176.71 cm²

Perfect for pizza slices, rounded corners, and quadrant designs.

Half circle area

353.43 cm²

Great for semicircular arches, stages, and window layouts.

Matching square side

26.59 cm

Side length of a square with the very same area.

Sphere surface area

2,827.43 cm²

Surface area if this radius wrapped a full 3D sphere.

Sphere volume

14,137.17 cm³

Volume enclosed by a sphere using the same radius.

Cómo lo calculamos

  1. Given radius = 15.00 cm
  2. Radius = 15.00 cm
  3. A = π × r²
  4. A = π × (15.00 cm)²
  5. A = 706.86 cm²