Math · FREE CALCULATOR
Aspect Ratio Calculator
Scale a design or image without stretching its proportions. Change the sample numbers to get an instant estimate tailored to your situation.
Your inputs
Adjust any value to update the results.
Calculated results
Based on your current inputs
Calculating…
How this calculator works
Enter the original dimensions and desired output width.
Formula
New height = target width × original height ÷ original width.
Before you use the result
Calculator outputs are estimates based on the numbers you provide. Replace the examples with measurements, costs, rates, or product information appropriate to your situation.
Keep in mind
This maintains the original ratio, but does not guarantee image clarity when enlarged.