UTM
Plus Code
Convert Universal Transverse Mercator to Open Location Code (Plus Code)
Convert UTM to Plus Code via an intermediate Decimal Degrees step: apply the inverse UTM projection, then encode to OLC using the standard pair encoding algorithm.
UTM to Plus Code Converter
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DD
Decimal Degrees
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DMS
Deg. Min. Sec.
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DDM
Deg. Decimal Min.
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UTM
Univ. Trans. Mercator
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MGRS
Military Grid
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Geohash
Base32
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Plus Code
Open Location Code
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How to Convert UTM to Plus Code: Step by Step
- 1 Apply inverse UTM-to-latlong projection to get Decimal Degrees.
- 2 Normalize lat (+90) and lng (+180).
- 3 Encode 4 pairs of (lat, lng) index characters using OLC alphabet.
- 4 Encode 2 grid characters for the final precision.
- 5 Insert "+" at position 8.
Worked Example
Input
10T 550254 5272543
Latitude conversion:
Inverse UTM → 47.6062°N
Longitude conversion:
-122.3321°W → 84VRCWCV+GF
Result:
84VRCWCV+GF
Why Convert UTM to Plus Code?
Plus Codes are easier to communicate verbally and share via text than UTM coordinates.
Common Mistakes to Avoid
- ✕ Skipping the intermediate DD step
- ✕ Not normalizing coordinates before encoding