Eurorack Panel Calculator

BlitzarRack Panel Previewer

Convert between HP and millimeters for Eurorack panels

Standard Eurorack height: 128.5mm (3U) | 1 HP = 5.08mm

Width (HP)

Width (mm)

Aspect Ratio (W:H)

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Panel Preview

💡 Tip: Click and drag the image to reposition it on the panel.

⚠️ Note: This is an approximation of what your panel will look like. Corners will be rounded, and mounting slots will be added. The slots will land within the top and bottom 10mm.