No sign-up · Metre-accurate · Works on any device

Measure distance, radius
& elevation on a map

The free map distance calculator that runners, planners and surveyors actually trust. Click to plot a route, drop a radius, or trace your run — and read every measurement live.

Distance
0 m
0 segments live
move cursor over map

Pick a tool, then click on the map to drop points · double-click or Undo to adjust · map data © OpenStreetMap

Every measurement, one map

A complete map measuring toolkit

No downloads, no accounts, no watermarks. Whether you're checking how far you ran this morning or scoping a site survey, the numbers are accurate to the metre.

Distance calculator

Click to plot a path along roads, trails or straight lines. Every segment and the running total update live in kilometres or miles.

Radius & area

Drop a centre, drag out a circle, and read the radius, enclosed area and perimeter instantly — perfect for catchments and coverage.

Elevation profile

Trace a route and see the real terrain underneath — total ascent, descent and a high-resolution elevation chart for the whole path.

Search anywhere

Jump to any address, city or postcode worldwide, or tap one button to centre the map on your current location.

Metric & imperial

Switch between km / miles and metres / feet on the fly. Live cursor coordinates are always one glance away.

Private by default

Everything runs in your browser. No account, nothing stored on a server, and free for personal and professional use alike.

Three clicks, done

How to measure on the map

01

Pick a tool

Choose Distance, Radius or Elevation from the toolbar floating over the map. Switch any time without losing your view.

02

Click on the map

Drop points to build a path or set a circle. A dashed guide line and live readout follow your cursor as you go.

03

Read your numbers

Distance, area, perimeter and full elevation profile appear instantly. Undo a point or clear and start fresh whenever.

Questions & answers

Map distance calculator FAQ

Is Map Measurer free to use?

Yes. Map Measurer is free with no sign-up, no watermark and no download, for both personal and professional use.

How do I measure distance on a map?

Choose the Distance tool, then click points along your route. Each segment and the running total update live in kilometres or miles.

How accurate are the measurements?

Distances use the geodesic distance between the points you place and are accurate to the metre. Overall accuracy depends on how precisely you click each point.

Can I measure radius and area?

Yes. Pick the Radius tool, click a centre point, then click again to set the radius. Map Measurer shows the radius, enclosed area and perimeter instantly.

Can I see elevation gain for a route?

Yes. Choose the Elevation tool, trace a route, then tap Get profile to see total ascent, descent, maximum elevation and a high-resolution elevation chart sampled from terrain data.

Does it work on mobile?

Yes. Map Measurer is responsive and works in any modern browser on phone, tablet or desktop.

Do you store my data or location?

No. Everything runs in your browser. There is no account, and your routes and location are not stored on a server.