Triple-screen setup calculator
Turn six measurements into a complete physical and in-game setup: side angle, total field of view, rig width, side depth, bezel correction, and panel dimensions.
Measure one monitor
Assumes three matching flat monitors. Measure eye distance perpendicular to the centre panel and the complete dark gap between adjacent visible areas.
Ratio of one panel
Monitor diagonal
Inches
Eye-to-screen distance
Eyes to centre panel in cm
Distance unit
Combined bezel gap
Dark gap at one seam, in mm
Horizontal resolution
Pixels on one monitor
Planning mode
Interactive triple-monitor rig
Drag to rotate and scroll to zoom. Model: driving simulator cockpit with screens and controls by loki3443.
Side-monitor angle
53.0°
angle each side inward from the centre panel
Total horizontal FOV
158.9°
Vertical FOV
31.3°
Total rig width
131.8 cm
Side-screen depth
47.7 cm
Monitor width
59.8 cm
Bezel correction
51.4 px/seam
Bezel-corrected combined width
7783 × your vertical resolution
Use native triple projection when the sim supports it. Enter the measured monitor width, one-seam bezel gap, side angle, and eye distance instead of forcing a stretched single camera.
How the angle is calculated
The recommended toe-in equals the horizontal visual angle of one panel: 2 × arctangent of half the visible panel width divided by eye distance. With that placement, each side panel faces the driver and all three panel centres are the same distance from the eyes. Total geometric FOV is three times the per-panel angle.
Values to enter in the simulator
For native triple projection, enter three flat screens, physical monitor width, single-seam bezel width, eye distance, and the calculated side angle. Vertical-FOV titles keep the per-panel vertical value; do not enter the full three-screen horizontal value into a vertical-FOV field.
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