Calculateur de Photo Crop

Estimate cropped image height from target width and aspect ratio.

Formula and method

This calculator computes Target height directly in your browser without sending data to an external server.

Mathematical formula

  • Target height: width × ratioH ÷ ratioW

Variables and parameters

  • Target width (width): default value 1200 px.
  • Aspect width (ratioW): default value 4.
  • Aspect height (ratioH): default value 5.

Some formulas are undefined for certain input combinations (such as division by zero or logarithms of non-positive numbers). In those cases the live tool displays an alert instead of NaN.

Embed this tool

Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.

Frequently asked questions

What equation and variables does Photo Crop Calculator use?

Photo Crop Calculator evaluates outputs such as <strong>Target height</strong> based on inputs including Target width, Aspect width, Aspect height. Check the Mathematical Method section for the explicit formula.

What happens if I enter invalid or zero values into Photo Crop Calculator?

If an input combination is mathematically undefined (such as division by zero or negative square roots), SpecWhale alerts you gracefully rather than returning invalid NaN outputs.

Are my calculations in Photo Crop Calculator saved or private?

All calculations are 100% private and run locally in your Web browser. Your numbers are never uploaded to any server, but can be saved locally to your device or exported as CSV/JSON.

Is Photo Crop Calculator free to use?

Yes. Photo Crop Calculator is completely free, has no usage limit, and does not require an account, email, or API key.

Does Photo Crop Calculator store or upload my data?

No. Photo Crop Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.

How accurate is Photo Crop Calculator?

Photo Crop Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.

Can I embed Photo Crop Calculator on my own website?

Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Photo Crop Calculator to your own blog post or page.