Skip to content

Area Calculator

Coordinate / Trapezoidal / Simpson's area computation (Shoelace formula)

Survey Regulations 1994  |  Survey Act Cap 299  |  RDM 1.1 (2025)

Polygon CoordinatesEnter points in order (CW or CCW)
PtNorthing (m)Easting (m)
A
B
C
D

Quick Compute