Circle area and circumference calculations
The circle area calculator is designed for calculations of radius, diameter, circumference or area of a circle. For successful calculation, you need to know and enter into the calculator at least one of them. Then press send or enter to run calculations.
Circle parameters sketch:
Circle calculator form:
Circle calculator variables and constants explanation:
r – radius
C – circumference
d – diameter
A – area
π– 3,1415926535
– unspecified values
– specified values
– calculated values
The formula for circle
circumference calculation:
The formula for circle
area calculation:
Circle calculator use:
Circle calculation is used in many industries and in a huge number of calculations. This is at least some of them:
- perimeter of a tree trunk, limb, twig, stem, pipe, tube, hose, duct, wire, rod, cord, thread, rope, tunnel, pillar
- cross-sectional area of a tree trunk, limb, twig, stem, pipe, tube, hose, duct, wire, rod, cord, thread, rope, tunnel, pillar
- partial calculations of geometric shapes like cilinder, cone, sphere, barrel, torus and other rotational shapes
- school calculations