Screen Pixel Density
Convert resolution and diagonal size into pixels per inch.
Your numbers
Pixel density
Planning estimate using your entered parameters. No external service, device, live tariff or network is contacted.
Scenario comparison
Up to three snapshots in this tab. Loading one replaces the current inputs.
Formula
Use PPI = √(W²+H²)/d. W and H are pixel dimensions and d is the screen diagonal in inches.
Convert resolution and diagonal size into pixels per inch.
Worked example
- Horizontal pixels
- 1920
- Vertical pixels
- 1080
- Screen diagonal (inches)
- 24
- Pixel density
- 91.7877987534 PPI
- Pixel pitch
- 0.276725233037 mm
Scope and limitations
Planning estimate using your entered parameters. No external service, device, live tariff or network is contacted.
Inputs are checked for missing values and allowed ranges. A result outside the finite numeric range is not displayed. Rounding affects display, while the calculation uses the model’s numeric precision.
Check your units and assumptions before relying on a result. Changing a label does not convert a currency or physical unit.
Formula version: 047e9ea01d59 · Example checked: