Height Calculator

Use our free Height Calculator online to convert between cm, feet, and inches or predict future height with easy formulas and examples.

Height Calculator

Enter height in feet and inches to calculate total height in inches and cm.

Height Calculator: Easily Calculate Height Online

Intro

The Height Calculator is a handy online tool that helps you estimate or convert height measurements quickly and accurately. Whether you’re a parent curious about your child’s future height, a student working on a health assignment, or simply someone who needs to convert height between centimeters, feet, and inches, this tool makes the process effortless.

Instead of doing manual math or searching for conversion charts, you can use a Height Calculator online to get instant and accurate results. It’s useful for healthcare professionals, athletes, students, and anyone who needs to calculate height easily.


Formula / Working

Height calculators usually work in two ways:

1. Height Conversion Formula

To convert height between metric (cm) and imperial (feet/inches):

  • Centimeters to Feet and Inches

Feet=cm30.48,Inches=cm2.54\text{Feet} = \frac{\text{cm}}{30.48}, \quad \text{Inches} = \frac{\text{cm}}{2.54}Feet=30.48cm​,Inches=2.54cm​

  • Feet and Inches to Centimeters

cm=(Feet×30.48)+(Inches×2.54)\text{cm} = (\text{Feet} \times 30.48) + (\text{Inches} \times 2.54)cm=(Feet×30.48)+(Inches×2.54)

2. Child Height Prediction Formula

A popular formula to estimate a child’s adult height is the mid-parental formula:

  • For boys:

Height=Father’s Height+Mother’s Height+132\text{Height} = \frac{\text{Father's Height} + \text{Mother's Height} + 13}{2}Height=2Father’s Height+Mother’s Height+13​

  • For girls:

Height=Father’s Height+Mother’s Height−132\text{Height} = \frac{\text{Father's Height} + \text{Mother's Height} - 13}{2}Height=2Father’s Height+Mother’s Height−13​

These formulas give an approximate result, as genetics, nutrition, and lifestyle also affect growth.


Step-by-Step Usage

Using an online Height Calculator is simple:

  1. Choose Purpose – Select whether you want to convert height or predict adult height.
  2. Enter Values – Input height in cm, feet/inches, or parents’ heights (for prediction).
  3. Click Calculate – The tool applies the relevant formula instantly.
  4. View Results – See the converted or predicted height on-screen.
  5. Save or Share – Many calculators allow copying results for quick use.

Examples

Example 1: Conversion from cm to feet/inches

If a person’s height is 170 cm: Feet=17030.48≈5.57 ft\text{Feet} = \frac{170}{30.48} \approx 5.57 \, \text{ft}Feet=30.48170​≈5.57ft

This equals 5 feet 7 inches (rounded).


Example 2: Conversion from feet/inches to cm

If a person is 6 feet 2 inches tall: cm=(6×30.48)+(2×2.54)\text{cm} = (6 \times 30.48) + (2 \times 2.54)cm=(6×30.48)+(2×2.54) cm=182.88+5.08=187.96 cm\text{cm} = 182.88 + 5.08 = 187.96 \, \text{cm}cm=182.88+5.08=187.96cm

Result: 188 cm.


Example 3: Predicting a child’s adult height

If the father is 180 cm and the mother is 160 cm:

  • For a boy:

180+160+132=3532=176.5 cm\frac{180 + 160 + 13}{2} = \frac{353}{2} = 176.5 \, \text{cm}2180+160+13​=2353​=176.5cm

  • For a girl:

180+160−132=3272=163.5 cm\frac{180 + 160 - 13}{2} = \frac{327}{2} = 163.5 \, \text{cm}2180+160−13​=2327​=163.5cm

Result: Predicted adult height is 176.5 cm for a boy and 163.5 cm for a girl.


FAQs

1. What is a Height Calculator?
A Height Calculator is an online tool that helps convert height measurements or predict a child’s future height.

2. Can a Height Calculator predict exact adult height?
No, it provides an estimate. Genetics, nutrition, and lifestyle also play a big role.

3. How do I convert my height from cm to feet/inches?
Divide cm by 30.48 for feet, or simply use the Height Calculator for quick results.

4. Who can use this tool?
Parents, students, athletes, healthcare workers, and anyone needing fast height conversions.

5. Is the tool free to use?
Yes, most online Height Calculators are free and user-friendly.

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