Circle Calculator - 3 & 4 Points

Calculate circle center and radius from three or four points

Point A

Northing (N)

Easting (E)

Point B

Northing (N)

Easting (E)

Point C

Northing (N)

Easting (E)

Enter coordinates for three points to calculate the circle center and radius

Point A

Northing (N)

Easting (E)

Point B

Northing (N)

Easting (E)

Point C

Northing (N)

Easting (E)

Point D

Northing (N)

Easting (E)

Enter coordinates for four points to calculate four circle centers and the average circle

Calculation Results

Circle from Points A, B, C

Center N

Center E

Radius

Circle from Points A, B, C

Center N

Center E

Radius

Circle from Points A, B, D

Center N

Center E

Radius

Circle from Points A, C, D

Center N

Center E

Radius

Circle from Points B, C, D

Center N

Center E

Radius

Average Circle

Center N

Center E

Radius