What is the Face Shape Calculator?
The face shape calculator is a free online tool that helps you work out face shape quickly and accurately. It uses the standard formula Ratio = face length / face width; classified into common face-shape bands and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Measure face length top to chin.
- Measure width across cheekbones.
- See the ratio and likely shape.
Formula used
Ratio = face length / face width; classified into common face-shape bands
Explanation of each input
- Face length (cm) โ the face length used in the calculation.
- Face width (cheekbones) (cm) โ the face width (cheekbones) used in the calculation.
Understanding your result
- Length-to-width ratio โ the calculated length-to-width ratio.
Step-by-step calculation
For the example values length 18, width 13:
- Apply the formula:
Ratio = face length / face width; classified into common face-shape bands - Substitute the values: 18/13
- Result: ratio about 1.38
Worked example
| Inputs | length 18, width 13 |
|---|---|
| Working | 18/13 |
| Result | ratio about 1.38 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need face shape. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Two-measurement approximation.
Frequently asked questions
How accurate is this?
It is a rough geometric guide; jaw and forehead shape also matter.