AR Slab Trace

Trace a slab on the ground

Camera measurement, no tape measure needed

  1. 1Stand at the slab and hold your phone in front of you, tilted down at the ground, high enough that the whole slab edge is on screen.
  2. 2Tap each corner of the slab on the screen, holding the phone as still as you can.
  3. 3Set the slab thickness to get the concrete volume and the bag counts.
Phone height above ground4.5ft

Measurements are estimated from your phone's height and tilt. Calibrate against a known distance for the best accuracy.