Family range · Current CDC reference
A height estimate with two clear results.
Add age, current height and both biological parents’ heights. Get a family-based adult-height range and current CDC percentile. The two results stay separate because they answer different questions.
Free basic height outlook
Five inputs. Two clear results.
See a family-based adult-height range beside your current CDC reference position.
Your two-part result will show here
Family context and current position answer different questions.
Your family estimate and current percentile will appear side by side.
Two signals · kept separate
ft / in01 · Family-based adult-height center
5′ 10.5″ 179.0 cm
Lower reference Broad range Upper reference
02 · Current CDC stature reference
50 percentile
Current height CDC median Chart reference
Family range and current percentile are separate results.
How it works
Two methods, shown separately.
GetTall displays a deliberately broad ±10 cm family reference around the center. The current percentile describes today’s measurement; it is not projected forward as a final adult height.
What this tool does not know
A family formula is a starting point, not the whole story.
Current growth pattern
One current height shows a reference position, but not how height has changed across several dated measurements.
Developmental timing
People enter and move through puberty on different timelines, which can materially change interpretation.
Measurement quality
Time of day, footwear, posture and setup can make a single home measurement less reliable.
Clinical context
A calculator cannot evaluate health history, skeletal maturity or a possible growth condition.
From estimate to outlook
Build a more personal picture in GetTall.
Add dated measurements, record them consistently and see how the pattern changes over time instead of hiding uncertainty behind one exact number.
FAQ
Before you use the number.
Is the result my final adult height?
No. The adult-height number is a family-based estimate with a deliberately broad range. The percentile describes the current measurement only. Neither is a guarantee or diagnosis.
Why does the calculator ask for a male or female reference?
The traditional method uses a sex-based adjustment because population adult-height references differ. Choose the reference your clinician would use for your growth chart.
Why does the result show two different views?
The family estimate is an adult-height baseline based on parent heights. The CDC percentile compares the current measurement with people of the same age on the selected chart. They answer different questions and are intentionally not blended into a fake precision score.
When should I talk to a clinician?
If you are concerned about growth, notice a meaningful change in growth pattern, or need an individual assessment, speak with a pediatrician or qualified clinician rather than relying on a web calculator.