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Free monitor glare angle calculator. Score reflection risk from light angle, monitor tilt, viewing distance, and screen finish — plus recommended tilt adjustment. Pair with screen brightness after fixing geometry.
Last updated: May 24, 2026
Screen too close? Desk monitor distance calculator
Glare Risk Angle Indicator
20 deg
Recommended Tilt Adjustment
19 deg
Glare Risk Level
Moderate
Moderate glare profile. Fine-tune monitor tilt and adjust ambient lighting placement.
Use this as a visual ergonomics guide and verify comfort under your real lighting setup.
We can build and embed a custom version of Monitor Glare Angle Calculator for your brand and workflow.
Answers: why is my screen glaring and how many degrees to adjust tilt or light.
Smaller gap between light and tilt → higher reflection risk score.
Glossy panels amplify perceived hotspot intensity in the model.
Closer than 50 cm increases glare score in this planner.
Default: light 35°, tilt 10°, 60 cm, semi-gloss → conflict 25°, glare score 20°, tilt target 19°, Moderate.
Glare Score
20°
Tilt Adjustment
19°
Risk Band
Moderate
| Finish | Multiplier | Notes |
|---|---|---|
| Matte | × 0.75 | Diffuse reflections — lower score |
| Semi-gloss | × 1.0 | Default office panels |
| Glossy | × 1.25 | Sharp highlights — higher score |
| Distance | Multiplier | Notes |
|---|---|---|
| < 50 cm | × 1.2 | Close viewing intensifies perceived glare |
| 50–64.9 cm | × 1.0 | Typical desk range (60 cm default) |
| ≥ 65 cm | × 0.9 | Farther viewing slightly reduces score |
| Band | Score | Meaning |
|---|---|---|
| Low | < 14 | Geometry generally favorable — minor tweaks |
| Moderate | 14–27.9 | Adjust tilt and/or light position |
| High | ≥ 28 | Reposition window/lamp; combine tilt + brightness + shade |
Geometry-based screening — not a photometric lux meter. Validate with a black screen and lamp-off test.
conflict = |lightAngle − monitorTilt|glareScore = max(0, 45 − conflict) × finish × distancetiltTarget = max(0, 22 − |conflict − 22|)Conflict 25° → score 20° · tilt target 19°. Fine-tune tilt or move overhead light off reflection path.
High — shade window, rotate monitor, or matte filter. Tilt adjustment 22° indicates large geometry change needed.
Large conflict (34°) + matte + far distance → 7.4° · Low. Target layout for reference setups.
Distance ×1.2 boosts score — moving back toward 60 cm helps even if angles unchanged.
Conflict 0° → maximum (45−0)×1 = 45° score. Shows why matching angles is worst case — separate light from tilt.
Conflict 20° → 25° · tilt target 20°. Wide separation lowers score vs default.
Share with remote workers, AV teams, and anyone fighting window reflections on displays.
Suggested hashtags: #MonitorGlare #Ergonomics #EyeStrain #DeskSetup #VisualErgonomics