Hair Growth Calculator
Are you dreaming of long, healthier hair and want to track the length of your hair after some days? Our Hair Growth Calculator is the best tool for you. It helps you estimate your hair growth, visualize progress, and set realistic goals.
How Hair Growth Calculator Works
Our tool is very easy and simple to use. The average hair growth rate is 1.25cm per month, the slow hair growth rate is 1.0cm per month, and the fast hair growth rate is 1.5cm per month. You can calculate the hair growth after weeks and months in inches and centimeters. You can get your desired hair length with patience; it is better to track your hair length after weeks instead of tracking it daily.
Monthly Average Hair Growth Chart
| Month | Average Growth (inches) | Average Growth (cm) |
| 1 | 0.5 | 1.27 |
| 2 | 1.0 | 2.54 |
| 3 | 1.5 | 3.81 |
| 4 | 2.0 | 5.08 |
| 5 | 2.5 | 6.35 |
| 6 | 3.0 | 7.62 |
| 7 | 3.5 | 8.89 |
| 8 | 4.0 | 10.16 |
| 9 | 4.5 | 11.43 |
| 10 | 5.0 | 12.70 |
| 11 | 5.5 | 13.97 |
| 12 | 6.0 | 15.24 |
Hair Growth Calculation Formula
Hair Growth = Growth rate × Time In this formula, Growth rate is measured in inches or centimeters per month, and Time is the number of months. For example, if the average growth rate is 0.5 inches per month, and the time is 6 months, then the calculation will be: Hair Growth= 0.5 inches/month × 6 months = 3 inches If you want to get the final height, add the initial height to the hair growth. The formula will be: Final Height= Initial Height + Hair Growth
Hair Growth Calculation Table
This table shows how the Hair Growth Calculator can be used for sample calculation.
| Initial Length | Monthly Growth Rate | Growth Duration | Final Length |
| 6 inches | 0.6 in/month | 1 week | 6.15 inches |
| 9 inches | 0.4 in/month | 4 weeks | 10 inches |
| 12 cm | 1.5 cm/month | 10 weeks | 18.75 cm |
| 25 cm | 0.8 cm/month | 15 weeks | 30 cm |
| 3 inches | 0.3 in/month | 8 weeks | 4.2 inches |
| 7 inches | 0.5 in/month | 6 weeks | 8.75 inches |
| 15 cm | 1.2 cm/month | 7 weeks | 19.1 cm |
| 20 cm | 1.1 cm/month | 12 weeks | 25.2 cm |