Kalkulator Luas Lingkaran
Hitung luas, keliling, dan wawasan desain berguna untuk lingkaran mana pun.
Distance from the centre of the circle to any point on its edge.
Pratinjau langsung
Perbarui hasil secara instan saat Anda mengetik.
Area lingkaran
706.86 cm²
A = π × r²
Radius
15.00 cm
Half of the diameter
Diameter
30.00 cm
Distance across the circle
Lingkar
94.25 cm
Perimeter of the circle
Konversi luas
Jari-jari, diameter & keliling
| Satuan | Radius | Diameter | Lingkar |
|---|---|---|---|
| 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 |
Wawasan desain
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.
Bagaimana kami menghitungnya
- Given radius = 15.00 cm
- Radius = 15.00 cm
- A = π × r²
- A = π × (15.00 cm)²
- A = 706.86 cm²