Aspect Ratio Calculator

Simplify a width/height pair into a ratio (with nearest-standard detection), or find a missing dimension from a preset or custom target ratio.

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How to Use the Aspect Ratio Calculator

Simplify a width/height pair into a ratio (with nearest-standard detection), or find a missing dimension from a preset or custom target ratio. Calculate instantly, right on this page — nothing you enter is ever sent to a server.

  1. 01

    Enter Your Values

    Fill in the input fields on the left. Every field updates the result instantly as you type.

  2. 02

    Calculate It

    Simplify a width/height pair into a ratio (with nearest-standard detection), or find a missing dimension from a preset or custom target ratio.

  3. 03

    Copy the Result

    Copy the result to your clipboard with one click — no account required.

Frequently Asked Questions

Answers about this tool.

Is my data uploaded anywhere when I use the Aspect Ratio Calculator?

No. The Aspect Ratio Calculator runs entirely inside your browser. Nothing you enter is ever sent to a server.

Is this tool free?

Yes, Calculator Studio is completely free with no usage limits or sign-up required.

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