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Coordinates

UTM to latitude and longitude

Enter the zone, easting and northing, or paste a whole list, and you’ll see each point in latitude and longitude and on the map. Then copy the table into your spreadsheet or download it as a CSV.

Hemisphere

Used for rows with no zone or no letter. On each row you can type the zone with its band (“18T”) or its hemisphere (“18N”).

Example the Empire State Building and the Sydney Opera House. Change the numbers, add rows or paste your list.

  1. 40.748441, -73.985657

    40°44'54.4"N 73°59'08.4"W

  2. -33.856780, 151.215305

    33°51'24.4"S 151°12'55.1"E

Loading the map…

Tap the map to add a row with the UTM coordinates of that spot (in the default zone, if you picked one).

What you need to convert UTM to latitude and longitude

Three things: the zone, the easting and the northing. Without the zone there’s no way to tell where the point is, because the same easting and northing repeat in all 60 zones around the world. You also need to know whether the point is north or south of the equator, which is what the letter tells you.

Survey plans and GIS exports often state the zone once (“UTM zone 18N, NAD83”) and then list only eastings and northings. That’s what the default zone at the top is for: any row without a zone uses it.

Ways of writing a UTM coordinate this tool understands
How it’s writtenExampleWhat it means
Zone and band18T 585632 4511327Zone 18, band T (40° to 48° N), easting and northing.
Zone and hemisphere18N 585632 4511327Zone 18, northern hemisphere.
With labelsZone 18 E 585,632 N 4,511,327Thousands separators are fine.
Military style585632mE 4511327mNUses the default zone.
With a nameWell 1, 18T 585632 4511327The name stays with the row and goes into the CSV.

Pasting a list from Excel or a CSV

Copy the columns from your spreadsheet (name, easting and northing, or zone, easting and northing) and paste them into “Paste a list.” Each line is one point. Tabs, commas, semicolons or spaces between columns all work. Lines that can’t be read stay highlighted so you can fix them by hand.

“Copy table” puts the results on your clipboard with tabs, ready to paste into Excel or Google Sheets as columns. “Download CSV” saves the same table as a file.

Why a point might land in the wrong place

  • Wrong zone. This is the most common mistake: the same numbers in zone 17 and zone 18 land about 500 km apart. If half your points end up in the ocean, check the zone.
  • Easting and northing swapped. In the contiguous US the easting has 6 digits and the northing 7. If the northing comes first, the tool swaps them and lets you know.
  • Southern hemisphere. If the northing is over 9 million and the point lands near the Arctic, it’s probably south of the equator: add an S or a band letter from C to M.
  • Old datums. UTM from older USGS topo maps is on NAD27, which can be off by tens of meters, up to about 100 m, compared with today’s GPS.

Frequently asked questions

How many coordinates can I convert at once?

Up to 100 rows. For more, convert the list in batches and combine the CSV files.

Which datum are the latitude and longitude in?

The same one as your UTM coordinates. If they’re WGS84 or NAD83, the results work as is in Google Maps and GPS units, since the two are within 1 to 2 m of each other. If they’re NAD27, expect an offset of tens of meters.

What does the letter after the zone mean?

It’s the latitude band, in 8° steps: most of the contiguous US is in bands R, S and T. Some apps use N and S for north and south instead; the tool understands both.

How do I share the list?

Use Share: the page address keeps every row (zone, easting, northing and name), so anyone who opens it sees the same thing.

Do my coordinates leave my computer?

No. The conversion runs in your browser; only the map tiles are downloaded. The list goes into the page address only when you change something or click Share.

Related tools

All tools
Latitude and longitude finder Search for any place or address, or tap the map, and copy its latitude and longitude in one click. Plot coordinates on a map Paste a latitude and longitude in any format and see the exact spot on the map, ready to share. Coordinate converter Convert coordinates between decimal degrees, DMS, UTM, MGRS, geohash and Plus Codes in one go. National grid converter Convert coordinates to and from each country’s official grid, such as ETRS89, Lambert-93 or Gauss-Krüger.

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