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Coordinates Converter

DMS to decimal degrees and back — plus UTM, in bulk, with map links.

Converters Reviews Free · no sign-up
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Quick Tool Overview

The Coordinates Converter reads latitude and longitude in any written form — decimal degrees, degrees and minutes, degrees-minutes-seconds — and converts a whole list to the format you need, including UTM.

What it does
Converts coordinates between every common format
You give it
Coordinates, one pair per line
You get back
The same points in your chosen format
Best for
Deeds, GPS readings, surveys and mapping APIs
Converters Free, unlimited use No sign-up Runs in your browser

About the Coordinates Converter

Coordinates are written four different ways and every tool wants a different one. A deed says 23°48'37"N, a GPS shows 23 48.618, a mapping API wants 23.8103, and a surveyor works in UTM. Converting by hand means dividing by 60 twice and keeping track of which hemisphere you are in.

Paste a list — one pair per line, in any of those forms, with the hemisphere before or after and any mix of degree symbols, primes and plain spaces — and get them all in the format you need: decimal degrees, degrees with decimal minutes, degrees-minutes-seconds, or a UTM grid reference on WGS 84 with the Norway and Svalbard zone exceptions applied. A pair written longitude-first is put the right way round, values outside the valid range are reported rather than accepted, and the first coordinate is shown in every format at once with links to open it in Google Maps, OpenStreetMap or Bing.

Key features of the Coordinates Converter

Reads any form

Symbols, primes or plain spaces, hemisphere letters before or after.

Four output formats

Decimal degrees, decimal minutes, DMS, or a UTM grid reference.

Puts pairs the right way round

A longitude-first pair is recognised and swapped.

Every format at once

The first coordinate is shown in all of them, ready to copy.

Straight to a map

One click opens the point in Google Maps, OpenStreetMap or Bing.

How to use the Coordinates Converter

  1. 1

    Paste your coordinates

    One pair per line, in any written form.

  2. 2

    Choose the output format

    Decimal degrees, decimal minutes, DMS or UTM.

  3. 3

    Set the precision

    Five decimal places is about a metre.

  4. 4

    Copy the list, or open the map

    Every line converts in place, and the first point links to a map.

Frequently asked questions

Degrees plus minutes divided by 60 plus seconds divided by 3600, made negative for south or west. So 23°48'37"N is 23 + 48/60 + 37/3600 = 23.8103.

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