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Disclaimer

Last updated: October 2026

HeightFast does one thing — as a height converter it converts height between feet and inches, centimeters and meters and shows how the figure compares to growth percentiles and published averages. It converts through a single base unit — centimeters — so a feet-and-inches entry and a meter entry land on the same value, then looks the height up in growth-reference percentile tables. What follows concerns only that tool and the inputs involved in it.

In day-to-day use the tool works only from the height you enter, and it is usually opened for things like converting a height for a form that wants one unit. None of that reaches us, so none of it can be stored.

For information, not advice

Everything on heightfast.com is provided for general information and education. Results are estimates produced from what you enter, not measurements, and not professional advice. HeightFast is built to be useful, not authoritative.

Limits of health estimates

The health calculators use population-level equations. Two people with identical inputs can have quite different true values, which is why a HeightFast estimate is not a measurement. These tools do not diagnose, treat, cure or prevent disease. Talk to a qualified clinician before changing your diet, supplementation or exercise, particularly during pregnancy or when managing a condition or medication.

How the site is funded

Adverts pay for the Site and nothing more. They cannot influence a result, and an ad appearing here is not a recommendation.

Provided without warranty

The assumption that matters most for HeightFast is that your input matches the model. It converts through a single base unit — centimeters — so a feet-and-inches entry and a meter entry land on the same value, then looks the height up in growth-reference percentile tables. When it does not — or when rounding, unit handling or browser behavior intervenes — no warranty attaches to the Site, careful as we are with the method.

Third-party links

External links are offered for reference only. We neither control nor vouch for outside content or its accuracy.

Before you act on a result

The final check is yours: make sure a result matches your situation before you rely on it. Found an error? The contact page is the fastest way to tell us.