Apartment Square Footage Calculator
Upload your apartment floor plan and calculate the exact square footage. Works with builder plans, listing floor plans, and PDF layouts.
Drop your floor plan or browseJPG, PNG, or PDF
🔒 Secure checkout · 48-hour money-back · Pro subscription cancels anytime
From raw floor plan to measured GLA
Three steps. Under 2 minutes.
1
Upload your floor plan
Drop in a photo, PDF, or image from CubiCasa, Matterport, iGUIDE, or any other source.
2
Trace the perimeter
Click around the exterior walls. PlanSnapper snaps to corners and closes the polygon automatically.
3
Set one known dimension
Enter a single wall length. PlanSnapper uses it as the scale reference and calculates total area.
Simple pricing
Start free. Upgrade when you need more.
Day Pass
Best for one-off use
$9one-time
24-hour access. Just need it today.
✓ Up to 5 floor plans
✓ All tool features
✓ PDF export
✓ 48-hr money-back guarantee
Most popular
Pro
Best for regular use
$24/mo
Billed $288/yr · 2 months free
Unlimited access. Cancel anytime.
✓ Unlimited floor plans
✓ Save & resume projects
✓ PDF export
✓ Multi-floor support
✓ 48-hr money-back guarantee
TeamsComing soon
For appraisal firms
$99/mo
Everything in Pro, built for teams.
✓ Everything in Pro
✓ Multiple team seats
✓ Shared project library
✓ Priority support
$9 day pass — instant access, no subscription.