Circle formulas

Some circle formulas with simple calculator

1. Circumference
2. Area of a circle
3. Area of a sector , where alpha - sector angle in radians
   
   

   Circle formulae

   Radius

   Sector (degrees)

   Calculation precision

   Digits after the decimal point: 2

   Calculate

   Area of the circle

    

   Area of the sector

    

   Circumference

    

    Link  Save  Widget