Cao 360° tools
Free tools that help parents understand growth
Measure correctly, compare with references and follow your child over time. Data stays in your browser.
Growth habit check (8 questions)
Sleep, activity and eating: 8 questions, and you see the 3 habits to work on first.
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Bedtime calculator
How much sleep your child needs, when to be in bed and when to switch off screens — with a daily reminder.
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Growth velocity (cm/year)
Enter two dated measurements to see how many centimetres per year your child is growing, with reference thresholds.
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Expected adult height
The mid-parental height formula: the usual adult range based on both parents’ heights.
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Measure at home correctly
The CDC’s 10 steps, with a checklist, so measurements can be compared over time.
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Want help reading the results?
Our team can look at the numbers with you.
Message our teamNo promise of extra centimetres. Tool results do not replace a medical examination or diagnosis.