DPI Calculator
Compute print DPI from pixel count and print size.
輸入資料
Edge length in pixels.
Print edge length in inches.
計算結果
300
非數值
重點速覽：DPI = pixels ÷ inches (print resolution). Complements pixel and resolution.
計算公式
DPI = pixels / inches.
使用說明
- Enter pixels and inches.
- The tool returns DPI.
理財情境案例
3000px / 10" → 300 DPI
3000 / 10 = 300.
常見問題
How is this different from pixel density?
Pixel density (PPI) is for screens; this is print DPI.
Where is it used?
Print quality.
Precision?
1 decimal place.
相關工具
參考資料
Content reviewed by the Hong Kong Calculator science team. DPI print resolution verified.