Enter width and height in pixels to see a box at that size, or use it to visualize dimensions.

The box is rendered in CSS pixels; on high-DPI screens 1 CSS px may be 2+ device pixels.

Online Pixel Ruler

Measure width and height in pixels. Enter dimensions or use the display to check sizes on screen.

Width (px)Height (px)

Result

200 × 100 px

Frequently Asked Questions

What can I measure?: Enter width and height in pixels to see a box at that size, or use it to visualize dimensions.
Is it accurate?: The box is rendered in CSS pixels; on high-DPI screens 1 CSS px may be 2+ device pixels.

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