Enter Pixel Dimensions
Enter the width and height of your image in pixels.
Image DPI Calculator
Calculate image print dimensions from pixels and DPI. Convert pixels to inches, centimeters and millimeters instantly in your browser.
Calculate Print Dimensions
Enter your image pixel dimensions and DPI to calculate the physical print size.
Width of your image in pixels.
Height of your image in pixels.
Common print values include 72, 150, 300 and 600 DPI.
Calculated Print Size
Your image's approximate physical dimensions at the selected DPI.
Width
—
inches
Height
—
inches
Resolution
—
DPI
Width
—
centimeters
Height
—
centimeters
Print Area
—
square inches
Calculation:
How the Image DPI Calculator Works
An image DPI calculator determines the physical print dimensions of an image based on its pixel dimensions and dots per inch (DPI). Enter the width and height of your image in pixels and choose the desired DPI. The calculator then converts those values into real-world print dimensions.
Enter DPI
Enter the desired printing resolution, such as 300 DPI.
Get Print Size
The calculator shows the resulting dimensions in inches and centimeters.
DPI Calculation Formula
The basic formula for converting image pixels into physical print dimensions is:
Print Size
Print Size (inches) = Pixels ÷ DPI
For example, an image that is 3000 pixels wide printed at 300 DPI has a physical width of:
3000 ÷ 300 = 10 inches
What Is DPI?
DPI stands for dots per inch. It is commonly used when discussing the resolution of printed images. A higher DPI generally allows more image detail to be represented within a given physical print size, assuming sufficient source pixels are available.
Common DPI Values
72 DPI
Commonly associated with older digital display workflows and screen-oriented graphics.
150 DPI
Can be suitable for some basic print and draft applications.
300 DPI
A commonly used resolution for high-quality printed images.
Frequently Asked Questions
What is an image DPI calculator?
An image DPI calculator converts an image's pixel dimensions and DPI into an estimated physical print size.
What does 300 DPI mean?
300 DPI means the print resolution is 300 dots per inch. The physical size also depends on the number of pixels in the image.
How do I calculate pixels to inches?
Divide the pixel dimension by the DPI. For example, 2400 pixels at 300 DPI equals 8 inches.
Can I convert pixels to centimeters?
Yes. First calculate the dimension in inches, then multiply the result by 2.54 because one inch equals 2.54 centimeters.
Does changing DPI add image pixels?
No. Changing the DPI value by itself does not create additional image pixels. It changes the relationship between the existing pixels and the physical print size.
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