RulerSet: Ruler & ProtractorSupport
Find answers about measurement, units, calibration, and supported devices.
FAQ
How do I measure with the L-square?
Place the object against the inner bottom-left corner, then drag to show the blue guides and values.
Do the blue measurement guides disappear when I release my finger?
No. The most recent guides and values remain visible until you measure again.
How do I measure an angle?
Open the protractor and drag from its centre. The blue radial guide shows the measured angle.
Can I restore calibration after changing it?
Yes. Settings can restore the default calibration value for your specific device model.
Does RulerSet support iPad?
Yes. Every ruler uses the available iPad screen area for a larger measuring surface.