Sidewalk & Driveway Measurement Tool

Instructions:

Select your height from the dropdown (for accurate perspective correction)
Place a standard business card (3.5" x 2") flat on the sidewalk/driveway
Click "Start Camera" and allow camera access
Stand straight up and aim the camera directly down at the business card
The business card should appear small in the frame (look for the guide box)
Click "Capture Image" when ready
Click "Calculate Area" to measure the surface

Edge Sensitivity:

Measurements

Area: -- sq ft

Status: Waiting for reference object

Tips for accurate measurement:

Ensure good lighting conditions
Keep the camera steady
The business card should look very small from standing height
Try to get the card to match the small guide box size
Stand straight up for the most accurate measurements
Try to capture the entire area in one shot