Dot per inch to Pixel 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
1Dot per inch=1Pixel per inch
1 Pixel per inch = 1 Dot per inch
Dot per inch
- Symbol
- DPI
- System
- Metric/Imperial
- Dimension
- Various
Pixel per inch
- Symbol
- PPI
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Dot per inch | Pixel per inch | Pixel per inch | Dot 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
Pixel per inch = Dot per inch × 1
Dot per inch = Pixel 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 Dot per inch to Pixel per inch
Multiply the value in dot per inch by 1 to get pixel per inch. For example, 5 Dot per inch = 5 Pixel 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 Pixel per inch in 1 Dot per inch?
- 1 Dot per inch = 1 Pixel per inch.
- How many Dot per inch in 1 Pixel per inch?
- 1 Pixel per inch = 1 Dot per inch.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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