Free Online Square Footage Calculator
Measure areas on floor plans or directly on Google Maps satellite view. Draw polygons, get instant results. No account needed.
Your plan & measurement data stay on your device
Two Tools, One App
Measure square footage from uploaded floor plans or measure land area on Google Maps satellite view.
Floor Plan Calculator
Upload a floor plan, blueprint, or PDF. Set the scale, draw polygons and rectangles, and get precise square footage.
- Polygon & rectangle drawing tools
- Scale calibration for real-world units
- Supports JPG, PNG, and PDF
Google Maps Satellite View
Search any address worldwide and measure land area, roofs, fields, and property boundaries on satellite imagery.
- Global address search
- High-res satellite imagery
- Area & length measurement
All files are processed locally in your browser. Nothing related to your plan is uploaded to our servers. Measurements are estimates and should not replace professional surveys or be relied upon for legal, financial, or construction decisions.