Online RulerOnline Ruler at Actual Size
Calibrate with a standard bank card, then measure in centimeters or fractional inches.
Distance from zero to the marker
Scale is estimated until you calibrate.
Print RulerLay a standard bank card flat against the screen at the left edge. Use the slider or arrow keys to match the outline to the card’s long edge, then save. The standard ISO ID-1 card is 85.60 mm wide and 53.98 mm tall. No card details are read or uploaded.