Surveying Tools

Free calculators, converters, and utilities for professional land surveyors and students.

Calculators

Closure, precision ratio, compass rule adjustment, and area from bearing/distance legs.

Horizontal and vertical curve elements. Enter any two known values to solve all parameters.

Calculate areas from coordinates using the shoelace method. Outputs square feet and acres.

Process differential leveling runs with closure analysis and proportional adjustment.

Compute inverse distance, azimuth, and quadrant bearing between two coordinate points.

Coming Soon

Transform coordinates between different datums and projections. Support for NAD27, NAD83, and more.

Convert between UTM and Lat/Long coordinates using the WGS84 ellipsoid.

Convert between Military Grid Reference System and Lat/Long.

Look up PLSS descriptions to find geographic coordinates via BLM data.

Parse and plot metes & bounds legal descriptions with closure analysis.

Generate CAD-ready DXF vicinity maps from OpenStreetMap data. Select an area and export roads, buildings, water features, and more.

Create and share mathematical equations using LaTeX. Perfect for study notes and documentation.

Convert between feet, inches, chains, links, rods, varas, acres, and more with interactive tools and reference tables.

We're always looking to add useful tools for the surveying community.