Measure distances and positions directly on your screen. Drag the ruler to set a measurement, track your cursor’s exact pixel coordinates, detect your screen’s DPI, and customize the ruler’s color and length — all without installing anything.
500 px
x: 0 y: 0
Measurement
—
pixels
Centimeters
—
cm
Inches
—
in
Screen DPI
—
dots per inch
How to use: Hover to track cursor position. Click and drag inside the ruler area to measure a distance. The ruler snaps to the selected orientation. Adjust length, color, and unit above.
Check screen resolution → Screen Resolution