bng2latlong
Convert British National Grid coords to lat/long
Turns OSGB36 British National Grid coordinates (easting, northing) into WGS84 decimal latitude and longitude, returned as a compact JSON object with a status flag. Part of GetTheData's set of free UK reference-data services. No key or POST body needed.
GET https://api.getthedata.com/bng2latlong/565200/122900
{
"status": "ok",
"easting": 565200,
"northing": 122900,
"latitude": 50.98181,
"longitude": 0.35207
}curl "https://api.getthedata.com/bng2latlong/565200/122900"const res = await fetch("https://api.getthedata.com/bng2latlong/565200/122900");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.getthedata.com/bng2latlong/565200/122900")
print(res.json())/bng2latlong/565200/122900PROBEDConvert British National Grid coords to lat/long
/bng2latlong/565200Bng2latlong details by ID (example: 565200).
/bng2latlong/565200/1565200 details by ID (example: 1).
/bng2latlongBng2latlong — documented GET route.
/bng2latlong/1Bng2latlong details by ID (example: 1).
/bng2latlong?limit=10Bng2latlong — documented GET route.
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.
bng2latlong: common questions
Is bng2latlong free to use?
Yes — bng2latlong is a free geo & maps API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.
Does bng2latlong need an API key?
No — bng2latlong needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).
Can I call bng2latlong from the browser?
Yes — bng2latlong returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.
Is bng2latlong up right now?
As of our last scheduled check, bng2latlong is healthy with 95.1% uptime over 90 days and a 524 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.