Practical tools for measured work
Monitor Viewing Distance Calculator
Combine a maximum horizontal field of view with minimum pixels per degree to find a practical desk distance.
The recommendation uses the farther of your field-of-view and angular-density limits. Convert it into a comfortable range around the result and adjust for text scaling and posture.
How it works
How to use it: enter monitor resolution and diagonal, then set the widest comfortable horizontal angle and lowest acceptable angular pixel density.
Method. The calculator solves distance independently for both limits and selects the farther distance.
Example. A high-resolution monitor may meet 60 PPD closer than it meets a conservative 40-degree field-of-view limit.
Current-input example
The result above uses these exact values. This snapshot is included when the page is printed so the output can be checked against the original measurements.
- Monitor diagonal
- 32 in
- Horizontal pixels
- 3840
- Vertical pixels
- 2160
- Maximum horizontal angle
- 40 deg
- Minimum PPD
- 60
Primary result: Distance meeting both entered limits: 38.3 in.
Before using the result
- Measure from the datum or reference edge described by this tool, and do not mix inside, outside and centerline dimensions.
- Keep inputs in the displayed units and preserve more precision than the final cutting or purchasing tolerance requires.
- When the result is close to a limit, verify it with a test piece, field measurement, manufacturer drawing or qualified project professional.
Limitations
Ergonomics also depend on eyesight, text size, prescription lenses, desk depth, task type and monitor height. This is not medical advice; persistent strain warrants professional assessment.
Frequently asked questions
Why not use diagonal multiples?
Diagonal-only rules ignore resolution and aspect ratio. Angle and PPD expose the two separate geometric constraints.
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