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THE FEUTEX TOOLKIT

Web Mercator Position

Project latitude and longitude to spherical Web Mercator meter coordinates.

Geospatial workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaEasting = 6378137*lon*PI/180; Northing = 6378137*log(tan(PI/4+lat*PI/360)); Local linear scale factor = 1/cos(lat*PI/180)
Sources and model references

Worked example

Inputs

Latitude
0 degrees
Longitude
90 degrees

Expected results

Easting
10018754.17 m
Northing
0 m
Local linear scale factor
1

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Project latitude and longitude to spherical Web Mercator meter coordinates.
  2. Set latitude, longitude in the indicated units.
  3. Calculate and compare easting, northing, local linear scale factor.

Try this example

{
  "lat": 0,
  "lon": 90
}

Accuracy and scope

Spherical Web Mercator projection for map display, unsuitable for accurate area or distance measurement.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.