Sep 9, 2026
How to Calculate Aspect Ratio from Resolution in 3 Simple Steps (A Complete Guide for 2026)
Find the matching dimensions for any aspect ratio.
Read postAspect Ratio Calculator
Find the matching dimensions for any aspect ratio.
✏️ Sketching your tool…
About Aspect Ratio Calculator
Given a width and height, get the ratio plus common presets and missing-dimension math.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Frequently Asked Questions about Aspect Ratio Calculator
How do I use the Aspect Ratio Calculator?
Open the Aspect Ratio Calculator and use the controls in the workspace below: find the matching dimensions for any aspect ratio. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Aspect Ratio Calculator free?
Yes. The Aspect Ratio Calculator is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Aspect Ratio Calculator store or share my data?
No. The Aspect Ratio Calculator runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Aspect Ratio Calculator for?
Given a width and height, get the ratio plus common presets and missing-dimension math. You will find it grouped under Calculators together with 83 other free tools on the PrimeFreeTools homepage.