📏 Height Calculator
Predict adult height and convert between measurement units
Predict Child’s Adult Height
Convert Height Units
Enter a height to see conversions
Why Use Our Height Calculator?
🎯 Dual Functionality
Both predict child’s adult height based on genetics and convert between measurement systems.
⚡ Instant Results
Get immediate predictions and conversions with real-time calculations as you input data.
👨👩👧👦 Parent-Based
Uses scientifically-validated method considering both parents’ heights for accurate predictions.
🌍 Universal Units
Converts between cm, meters, feet, and inches for international height comparisons.
📱 Mobile Friendly
Use on any device – perfect for doctor visits, shopping, or travel planning.
💯 Completely Free
No registration, no limits, unlimited use. Your information stays private.
How to Use the Height Calculator
Height Predictor:
- Select Child’s Gender: Choose male or female as gender affects height prediction due to genetic and hormonal differences.
- Enter Father’s Height: Input the biological father’s height in centimeters for genetic height calculation.
- Enter Mother’s Height: Provide the biological mother’s height in centimeters to complete the genetic profile.
- Get Prediction: Click calculate to see predicted adult height range based on mid-parental height method.
- Understand Range: The result shows a range (±8-10 cm) accounting for genetic variation and environmental factors.
Height Converter:
- Enter Height in CM: Type any height value in centimeters.
- View All Conversions: Instantly see equivalent heights in meters, feet and inches, and total inches.
- Use for Any Purpose: Perfect for medical records, international travel, or understanding foreign height references.
Understanding Height Prediction
Height prediction uses genetic inheritance patterns from parents to estimate a child’s eventual adult height. While genetics account for about 80% of height determination, the remaining 20% is influenced by nutrition, health, and environmental factors.
The Mid-Parental Height Method
Our calculator uses the widely-accepted mid-parental height formula:
- For Boys: (Father’s Height + Mother’s Height + 13 cm) ÷ 2
- For Girls: (Father’s Height + Mother’s Height – 13 cm) ÷ 2
The 13 cm adjustment accounts for average height differences between men and women. The result has a margin of ±8-10 cm due to genetic variability.
Factors Affecting Height
While genetics play the primary role, several factors influence final adult height:
- Nutrition: Adequate protein, calcium, vitamin D, and overall nutrition during growth years
- Health: Chronic illnesses, growth disorders, or hormonal imbalances can impact growth
- Sleep: Growth hormone is released during deep sleep, making adequate sleep crucial
- Physical Activity: Regular exercise promotes healthy bone and muscle development
- Environmental Factors: Stress, socioeconomic conditions, and access to healthcare
Height Conversion Formulas
Understanding different height measurement systems:
- Centimeters to Meters: Divide by 100 (180 cm = 1.80 m)
- Centimeters to Inches: Divide by 2.54 (180 cm = 70.87 inches)
- Centimeters to Feet: Divide by 30.48, then separate into feet and inches
- Feet to Centimeters: Multiply by 30.48
Height Comparison Tables
Common Height Conversions
| Centimeters | Meters | Feet & Inches | Total Inches |
|---|---|---|---|
| 150 cm | 1.50 m | 4’11” | 59 in |
| 160 cm | 1.60 m | 5’3″ | 63 in |
| 170 cm | 1.70 m | 5’7″ | 67 in |
| 175 cm | 1.75 m | 5’9″ | 69 in |
| 180 cm | 1.80 m | 5’11” | 71 in |
| 185 cm | 1.85 m | 6’1″ | 73 in |
| 190 cm | 1.90 m | 6’3″ | 75 in |
Average Adult Heights
| Region | Men (Average) | Women (Average) |
|---|---|---|
| United States | 175 cm (5’9″) | 162 cm (5’4″) |
| United Kingdom | 178 cm (5’10”) | 164 cm (5’5″) |
| Netherlands | 183 cm (6’0″) | 170 cm (5’7″) |
| Japan | 172 cm (5’8″) | 158 cm (5’2″) |
| India | 165 cm (5’5″) | 152 cm (5’0″) |
Benefits of Using a Height Calculator
👶 Growth Tracking
Parents can anticipate their child’s adult height for planning clothing, furniture, and understanding growth patterns.
🏥 Medical Reference
Useful for pediatricians and endocrinologists to assess if a child is growing within expected parameters.
🌍 International Travel
Convert heights when traveling or moving to countries using different measurement systems.
🛒 Online Shopping
Accurately determine clothing and shoe sizes when shopping from international retailers.
📋 Documentation
Convert height for visa applications, medical records, or official documents requiring specific units.
🎓 Educational
Learn about genetics, inheritance patterns, and different measurement systems used globally.
Practical Applications
👨👩👧 Family Planning
Curious parents can estimate their future children’s heights for fun or practical planning purposes, though remember it’s just an estimate.
🏃 Sports & Athletics
Youth coaches and parents can anticipate height for sports selection, though talent and skill matter more than size in most cases.
✈️ Travel & Immigration
Convert height measurements for international documents, visa applications, or when communicating with foreign medical providers.
👔 Clothing & Fashion
Determine appropriate sizes when shopping internationally or buying clothes online from different countries.
🏥 Medical Communication
Accurately report height to healthcare providers when they use different measurement systems than you’re familiar with.
Frequently Asked Questions
Q: How accurate is height prediction based on parents?
A: The mid-parental height method is accurate within ±8-10 cm (3-4 inches) for about 95% of children. Genetics account for roughly 80% of height, with nutrition and health affecting the remaining 20%.
Q: Can children be taller or shorter than predicted?
A: Yes! The prediction is an estimate. Some children fall outside the predicted range due to genetic variation, nutritional factors, health conditions, or other environmental influences.
Q: At what age do children reach their adult height?
A: Girls typically reach adult height by 14-15 years, boys by 16-17 years. However, some individuals continue growing into their early 20s. Growth plates close around 14-16 for girls, 16-18 for boys.
Q: Why is there a 13 cm adjustment between boys and girls?
A: The 13 cm (5 inch) adjustment reflects the average height difference between adult men and women globally. This accounts for hormonal and genetic differences that affect final height.
Q: Can nutrition really affect height?
A: Yes! Chronic malnutrition, especially during growth spurts, can reduce final adult height by 5-10 cm or more. Adequate protein, calcium, vitamin D, and overall nutrition are essential for reaching genetic height potential.
Q: Is it possible to increase height after growth plates close?
A: No, once growth plates fuse (typically late teens to early 20s), height increase is no longer possible. Good posture can maximize appearance of your height, but won’t actually increase bone length.
Q: Why are there different feet-inches results for the same cm?
A: Small rounding differences occur when converting between metric and imperial systems. Our converter provides accurate conversions, with slight variations being normal.
Related Health Tools
Growth Tips for Children
Balanced Nutrition: Ensure adequate protein (meat, eggs, beans), calcium (dairy, leafy greens), and vitamin D for optimal bone growth.
Adequate Sleep: Children need 9-11 hours nightly. Growth hormone is primarily released during deep sleep stages.
Regular Exercise: Physical activity, especially weight-bearing exercises, promotes healthy bone development and growth.
Medical Check-ups: Regular pediatric visits can identify and address any growth concerns or hormone issues early.
Conclusion
Our Height Calculator provides both predictive and practical functionality for understanding height. Whether you’re curious about your child’s future height or need to convert measurements for international purposes, this tool delivers accurate, instant results.
Height prediction helps parents understand expected growth patterns, while the conversion tool makes navigating different measurement systems effortless. Remember that predictions are estimates, and actual height is influenced by multiple factors beyond genetics.
📏 Calculate now – free, accurate height predictions and conversions for all your needs!