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Area Of A Circle Calculator

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

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De resultaten worden direct bijgewerkt terwijl u typt.

Resultaat

Cirkelvormig gebied

706.86 cm²

A = π × r²

Radius

15.00 cm

Half of the diameter

Diameter

30.00 cm

Distance across the circle

Omtrek

94.25 cm

Perimeter of the circle

Oppervlakteconversies

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

Straal, diameter en omtrek

Eenheid Radius Diameter Omtrek
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

Ontwerpinzichten

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.

Hoe we het berekend hebben

  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
Calculate the area, circumference, and helpful design insights for any circle.
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API-documentatie binnenkort beschikbaar

Documentation for this tool is being prepared. Please check back later or visit our full API documentation.