Satellite Acreage Calculator

Q: How accurate is a satellite acreage measurement?

Very accurate for practical purposes. Zoom in as far as possible and place points carefully on the visible boundary. It won't replace a legal survey, but it's excellent for estimates and planning.

Measure acreage straight from satellite imagery. Trace the outline of any field, lot or property on the high-resolution satellite view below and read the acreage instantly — no survey, no dimensions needed.

Open the full-screen satellite calculator →

Why Measure Acreage from Satellite?

Satellite imagery lets you see the real edges of a property — tree lines, fences, roads, field boundaries — and measure them without setting foot on the land. It’s the fastest way to size up a plot you can’t easily walk, and it works for any shape.

Switch to satellite view and pan to your land.
Zoom in until the boundary is crisp.
Trace the edge point by point; the acreage updates live.

Tips for Accurate Satellite Measurements

Zoom in as far as the imagery allows before placing points — it dramatically improves precision.
Follow visible features like fence lines, hedgerows and field edges.
Add extra points along curves rather than cutting corners.
Drag points afterwards to nudge them exactly onto the boundary.

For most uses — property estimates, farm planning, land buying — satellite measurement is more than accurate enough.

Measure Acreage Anywhere

The Marea app puts this satellite acreage calculator in your pocket, with live GPS so you can stand on your land and measure around it, plus offline maps, saved measurements and KML export. Available on iOS and Android.

Have the Numbers Already?

Convert known measurements instantly:

Frequently Asked Questions

How do I measure acreage from satellite imagery?

Switch the map to satellite view, zoom in on your land, and click around the boundary to trace it. The acreage is calculated automatically from the points you place.

How accurate is a satellite acreage measurement?

Very accurate for practical purposes. The key is to zoom in as far as possible and place points carefully on the visible boundary. It won't replace a legal survey, but it's excellent for estimates and planning.

Do I need to sign up to use it?

No. It works in your browser with no sign-up, and the Marea app is available on iOS and Android.

Can I measure land I can't physically access?

Yes. Because you measure from satellite imagery, you can size up any plot you can see on the map without visiting it.

Try Marea Today

Download Marea on iOS or Android and start measuring in seconds.