{"uid":"cap__4zt_264TOo_OKjItAXyh","slug":"saylor-innovations-data-desk-coordinate-to-mgrs-converter-825fe34f","name":"Saylor Innovations Data Desk: Coordinate to MGRS Converter","description":"Convert latitude and longitude to a Military Grid Reference System string with UTM zone, easting and northing at 1 m to 100 km precision, or MGRS back to coordinates","url":"https://saylorinnovations.com/api/geo/mgrs?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["lat","lon"],"properties":{"lat":{"type":"string","description":"Latitude -80 to 84"},"lon":{"type":"string","description":"Longitude"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["direction","mgrs","lat","lon"],"properties":{"lat":{"type":"number","description":"Latitude in decimal degrees"},"lon":{"type":"number","description":"Longitude in decimal degrees"},"utm":{"type":"object","properties":{"zone":{"type":["string","null"],"description":"UTM zone and latitude band"},"easting":{"type":["number","null"],"description":"Easting in metres"},"northing":{"type":["number","null"],"description":"Northing in metres"},"hemisphere":{"type":["string","null"],"description":"Hemisphere, N or S"}},"description":"UTM zone and band, hemisphere, easting and northing in metres"},"mgrs":{"type":"string","description":"MGRS reference without spaces"},"source":{"type":"string","description":"Data source the values come from"},"square":{"type":["string","null"],"description":"100 km grid square letters"},"direction":{"type":"string","description":"Conversion direction"},"grid_zone":{"type":["string","null"],"description":"Grid zone"},"mgrs_spaced":{"type":["string","null"],"description":"Mgrs spaced"},"precision_m":{"type":"number","description":"Precision m"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EakHVKb0VH5v4V6qtk-zX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts latitude/longitude coordinates to Military Grid Reference System (MGRS) strings with UTM zone, easting, and northing, or converts MGRS back to coordinates","exampleAgentPrompt":"What's the MGRS grid reference for latitude 38.897957 and longitude -77.036560? I need the UTM zone, easting, and northing too.","exampleUseCases":[{"title":"Military field coordinate conversion","prompt":"I'm working with military mapping data and need to convert latitude 36.1234 and longitude -115.1628 to an MGRS string — can you give me the full grid reference including the UTM zone and easting/northing?"},{"title":"GPS to MGRS for survey work","prompt":"Convert coordinates 51.5074 latitude and -0.1278 longitude to MGRS format with 1 meter precision so I can hand them off to the survey team."},{"title":"Decode MGRS string for plotting","prompt":"I have an MGRS reference string — 33TWN8274401234 — can you convert that back to decimal latitude and longitude so I can plot it on my map?"}],"resultDescription":"A JSON object containing the MGRS reference string (with and without spaces), UTM details (zone, easting, northing in metres, hemisphere), the source lat/lon in decimal degrees, grid zone designator, 100km square letters, precision in metres, and the direction of conversion performed.","failureModes":["Latitude out of range (-80 to 84) returns an error — MGRS does not cover polar regions","Missing required lat or lon query parameters returns a 400-style error","Invalid non-numeric values for lat/lon cause parsing errors","Polar regions (above 84°N or below 80°S) are not supported by MGRS"],"whenToPreferThis":"Use this endpoint when you need precise conversion between geographic decimal coordinates and MGRS or UTM grid references, especially for military, surveying, or GIS contexts requiring standardized grid notation. It supports bidirectional conversion and variable precision from 1 m to 100 km.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:52:01.205Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-data-desk-coordinate-to-mgrs-converter-825fe34f"}