100% Free · No Sign-Up · Works In Your Browser
Free Online Area Calculator
Measure square footage from floor plans or land area on Google Maps satellite view. Two professional tools, completely free, right in your browser.
Floor Plan Calculator
Upload a floor plan, blueprint, or PDF. Set the scale, draw polygons and rectangles, and get precise square footage.
- Polygon & rectangle tools
- Scale calibration
- JPG, PNG & PDF
Get Started
Google Maps Calculator
Search any address worldwide and measure land area, roofs, fields, and property boundaries on satellite imagery.
- Global address search
- Satellite imagery
- Area & length measurement
Get Started
Your Data Stays Private
All files are processed locally in your browser. Nothing related to your plans or measurements is uploaded to our servers.
Start measuring — it's free
No sign-up, no installation. Pick a tool and go.
Measurements are estimates and should not replace professional surveys or be relied upon for legal, financial, or construction decisions.