mgrs
MGRS coordinate conversion for Python
Decision gist · record as of 2026-08-14
Yes, if you need MGRS coordinate conversion in a Python GIS or geospatial application. The package is stable, permissively licensed, has no dependencies, and offers pre-built wheels for modern Python versions. Install friction is moderate due to compiled components, but that is typical for geospatial libraries. The aging maintenance status (192 days since last release) is acceptable for a mature, feature-complete library with no known vulnerabilities.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later; compiled wheels available for common platforms (Linux x86_64/aarch64, macOS, Windows) but may require build tools on unsupported architectures.
- Medium install friction due to compiled wheels for multiple platforms and Python versions (3.9–3.12).
- Package is aging but stable; last release 192 days ago with active repository (133 stars, last commit 2026-02-03).
License · maintenance · safety
permissive license (permissive) — MIT license (permissive) permits commercial and private use with minimal restrictions; attribution required but no copyleft obligations.
last release 2026-02-03 (192 days) · last repo commit 2026-02-03 · 133 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 269,550 downloads/mo, #8,258 on PyPI
Alternatives
Verify before relying
import mgrs
m = mgrs.MGRS()
latitude, longitude = 42.0, -93.0
mgrs_string = m.toMGRS(latitude, longitude)
print(mgrs_string) # '15TWG0000049776'
coords = m.toLatLon(mgrs_string)
print(coords) # (41.999997975127997, -93.000000000000014)- Precision control via MGRSPrecision parameter mentioned in description but not detailed in fact sheet
- Performance characteristics for large-scale coordinate batch conversions
- Accuracy guarantees relative to official GeoTrans implementation
What it is and what it does
mgrs is a Python wrapper around GeoTrans C code that handles bidirectional conversion between MGRS grid coordinates and decimal degree latitude/longitude. It provides methods to convert lat/lon pairs to MGRS strings, reverse that conversion, and handle degree-minute-second (DMS) format. The package bundles an internal copy of GeoTrans 2.4.2 files and exposes the conversion logic through a simple Python class.
The library is designed for GIS and geospatial applications where military or scientific coordinate systems are needed. It has no runtime dependencies beyond Python itself, making it lightweight to integrate. Wheels are pre-built for Python 3.9–3.12 across Linux, macOS, and Windows architectures, reducing installation friction on common platforms.
Use it for
- Convert GPS coordinates from a field survey to MGRS format for military or defense mapping applications.
- Transform MGRS grid references back to decimal degrees for display on web maps or GIS software.
- Batch process geographic data that mixes coordinate systems in geospatial data pipelines.
- Parse and validate MGRS strings in location-based services or emergency response systems.
- Convert between DMS (degrees-minutes-seconds) and decimal degree formats in surveying workflows.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need MGRS coordinate conversion in a Python GIS or geospatial application.
The package is stable, permissively licensed, has no dependencies, and offers pre-built wheels for modern Python versions. Install friction is moderate due to compiled components, but that is typical for geospatial libraries. The aging maintenance status (192 days since last release) is acceptable for a mature, feature-complete library with no known vulnerabilities.
Install
mgrs on PyPI
Before you install
Medium install friction due to compiled wheels for multiple platforms and Python versions (3.9–3.12). Package is aging but stable; last release 192 days ago with active repository (133 stars, last commit 2026-02-03). No runtime dependencies simplifies deployment.
Requires Python 3.9 or later; compiled wheels available for common platforms (Linux x86_64/aarch64, macOS, Windows) but may require build tools on unsupported architectures.
License in practice
MIT license (permissive) permits commercial and private use with minimal restrictions; attribution required but no copyleft obligations.
Quickstart
import mgrs
m = mgrs.MGRS()
latitude, longitude = 42.0, -93.0
mgrs_string = m.toMGRS(latitude, longitude)
print(mgrs_string) # '15TWG0000049776'
coords = m.toLatLon(mgrs_string)
print(coords) # (41.999997975127997, -93.000000000000014)Verify before relying
- Precision control via MGRSPrecision parameter mentioned in description but not detailed in fact sheet
- Performance characteristics for large-scale coordinate batch conversions
- Accuracy guarantees relative to official GeoTrans implementation
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Aging 192 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 269,550 / month, #8,258 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersIntended Audience :: Science/ResearchLicense :: OSI Approved :: BSD LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.9Topic :: Scientific/Engineering :: GIS |
Evidence: mgrs-1.5.4-cp310-cp310-macosx_10_9_x86_64.whl; mgrs-1.5.4-cp310-cp310-macosx_11_0_arm64.whl; mgrs-1.5.4-cp310-cp310-manylinux2010_x86_64.manylinux_2_12_x86_64.manylinux_2_28_x86_64.whl; mgrs-1.5.4-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; mgrs-1.5.4-cp310-cp310-musllinux_1_2_aarch64.whl; mgrs-1.5.4-cp310-cp310-musllinux_1_2_x86_64.whl; mgrs-1.5.4-cp310-cp310-win32.whl; mgrs-1.5.4-cp310-cp310-win_amd64.whl; mgrs-1.5.4-cp310-cp310-win_arm64.whl; mgrs-1.5.4-cp311-cp311-macosx_10_9_x86_64.whl; mgrs-1.5.4-cp311-cp311-macosx_11_0_arm64.whl; mgrs-1.5.4-cp311-cp311-manylinux2010_x86_64.manylinux_2_12_x86_64.manylinux_2_28_x86_64.whl; mgrs-1.5.4-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; mgrs-1.5.4-cp311-cp311-musllinux_1_2_aarch64.whl; mgrs-1.5.4-cp311-cp311-musllinux_1_2_x86_64.whl; mgrs-1.5.4-cp311-cp311-win32.whl; mgrs-1.5.4-cp311-cp311-win_amd64.whl; mgrs-1.5.4-cp311-cp311-win_arm64.whl; mgrs-1.5.4-cp312-cp312-macosx_10_13_x86_64.whl; mgrs-1.5.4-cp312-cp312-macosx_11_0_arm64.whl
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