Convertir Pixel per Inch (PPI) en Dot per Inch (DPI)
Convertissez facilement les Pixels per Inch (PPI) en Dots per Inch (DPI) (PPI en DPI) avec formule détaillée et tableau de conversion.
Digital Image Resolution8 unités
How the Calculation Works (Linear Scaling)
Since 1 Pixel per Inch (PPI) = 1 Dots per Inch (DPI), multiply the value in Pixels per Inch (PPI) by 1. Note: DPI (printer ink droplets) and PPI (image pixels) represent distinct physical concepts; this conversion assumes a direct 1:1 raster sample mapping without halftone screening.
Pixel per Inch (PPI) to Dot per Inch (DPI) Conversion Table
Precomputed values for quick reference and printing.
| Pixel per Inch (PPI) | Dot per Inch (DPI) |
|---|---|
| 1 PPI | 1 DPI |
| 2 PPI | 2 DPI |
| 3 PPI | 3 DPI |
| 4 PPI | 4 DPI |
| 5 PPI | 5 DPI |
| 6 PPI | 6 DPI |
| 7 PPI | 7 DPI |
| 8 PPI | 8 DPI |
| 9 PPI | 9 DPI |
| 10 PPI | 10 DPI |
| 15 PPI | 15 DPI |
| 20 PPI | 20 DPI |
| 25 PPI | 25 DPI |
| 30 PPI | 30 DPI |
| 40 PPI | 40 DPI |
| 50 PPI | 50 DPI |
| 75 PPI | 75 DPI |
| 100 PPI | 100 DPI |
| Dot per Inch (DPI) | Pixel per Inch (PPI) |
|---|---|
| 1 DPI | 1 PPI |
| 2 DPI | 2 PPI |
| 3 DPI | 3 PPI |
| 4 DPI | 4 PPI |
| 5 DPI | 5 PPI |
| 6 DPI | 6 PPI |
| 7 DPI | 7 PPI |
| 8 DPI | 8 PPI |
| 9 DPI | 9 PPI |
| 10 DPI | 10 PPI |
| 15 DPI | 15 PPI |
| 20 DPI | 20 PPI |
| 25 DPI | 25 PPI |
| 30 DPI | 30 PPI |
| 40 DPI | 40 PPI |
| 50 DPI | 50 PPI |
| 75 DPI | 75 PPI |
| 100 DPI | 100 PPI |
📌 Standard Benchmark Reference Values
Under a 1:1 direct sampling assumption. In printing, reproducing a 300 PPI continuous-tone image typically requires 1200 or 2400 DPI printer droplets for halftone dithering.
Exact RatioPixel per Inch (PPI) (PPI)
A measure of digital display pixel density and bitmap image sampling resolution, expressing the number of addressable electronic pixels per linear inch (approx. 39.370 pixel/m). Distinct from DPI: PPI represents discrete digital color samples rather than analog ink droplets.
Dot per Inch (DPI) (DPI)
A traditional measure of physical print resolution, expressing the number of discrete ink dots or laser exposure points a printer can produce per linear inch (1 / 0.0254 dot/m ≈ 39.370 dot/m). Note: DPI describes physical printer ink droplets, which must not be confused with image sample pixel density (PPI).