Geo & Location Tools
Bounding Box Calculator
Calculate a geographic bounding box from center coordinates and radius/distance.
Loading tool…
What is BBox?
A bounding box is the rectangular region covering a circular area, used for map viewports and spatial queries.
How it works
We compute angular distance = radius / Earth radius, then derive min/max latitude and longitude adjusted by cos(lat) for meridian convergence.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Type or paste any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.