印刷サイズ計算機

共有リンク

はじめに

Print Size Calculator — Find the maximum print dimensions for an image at a chosen DPI. Enter Image Width, Image Height, Print DPI to get an instant, accurate result.

計算式

Print width (in) = width in pixels / DPI. Print height (in) = height in pixels / DPI.

ステップごとの説明

Enter the Image Width.
Enter the Image Height.
Enter the Print DPI.
Click Calculate to see your result instantly.

実例

Example: With Image Width = 6000 px, Image Height = 4000 px, Print DPI = 300, the Print Size Calculator gives Width In: 20, Height In: 13.3333.

よくある質問

What DPI should I use for a photo print?

300 DPI is the standard for sharp photo prints viewed up close; posters or large prints viewed from a distance can use lower DPI, such as 150-200, without a visible quality loss.

What happens if I lower the DPI?

A lower DPI spreads the same pixels over a larger physical area, producing a bigger print at the cost of sharpness per inch.

What inputs does the Print Size Calculator need?

You'll need to provide: Image Width, Image Height, Print DPI. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Print Size Calculator?

The Print Size Calculator applies the formula exactly as calculated — Print width (in) = width in pixels / DPI. Print height (in) = height in pixels / DPI. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Print Size Calculator free to use?

Yes, the Print Size Calculator is completely free, requires no signup, and runs instantly in your browser.