Pixel per inch to Dot per inch Converter
免费图像分辨率转换器, 即时换算 DPI、PPI、每厘米点数和每毫米像素
1Pixel per inch=1Dot per inch
1 Dot per inch = 1 Pixel per inch
Pixel per inch
- Symbol
- PPI
- System
- Metric/Imperial
- Dimension
- Various
Dot per inch
- Symbol
- DPI
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Pixel per inch | Dot per inch | Dot per inch | Pixel per inch |
|---|---|---|---|
| 1 | 1 | 1 | 1 |
| 2 | 2 | 2 | 2 |
| 3 | 3 | 3 | 3 |
| 5 | 5 | 5 | 5 |
| 10 | 10 | 10 | 10 |
| 25 | 25 | 25 | 25 |
| 50 | 50 | 50 | 50 |
| 100 | 100 | 100 | 100 |
| 500 | 500 | 500 | 500 |
| 1000 | 1000 | 1000 | 1000 |
Conversion Formula
Dot per inch = Pixel per inch × 1
Pixel per inch = Dot per inch × 1
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 1.
How to convert Pixel per inch to Dot per inch
Multiply the value in pixel per inch by 1 to get dot per inch. For example, 5 Pixel per inch = 5 Dot per inch. All results in the image resolution converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 1 too early — keep full precision until the final display. For image resolution, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Dot per inch in 1 Pixel per inch?
- 1 Pixel per inch = 1 Dot per inch.
- How many Pixel per inch in 1 Dot per inch?
- 1 Dot per inch = 1 Pixel per inch.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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