Use your Iphone camera to measure distance to usual objects.
The app tells at what distance you are to a visible object or person.
-- supports yards and metric unit systems --
Aim for an object/person with the camera preview and:
- Choose an object type in the upper-right corner
- Align bottom of object on bottom red line
- Drag the upper red line with your finger to the top of the object
Distance is displayed in real-time. Magic.
- Soda can
- Water bottle
- Person (female)
- Person (male)
- Soccer cage
You can modify yards or meters unit systems in iphone settings application.
The tool works by knowing the height of these standard objects and applying Thales mathematics.