Hair Growth Calculator

Summary

Enter your current hair length and target length to see how many months it will take to reach your goal.

How it works

1. Enter your current hair length in inches or centimeters.
2. Enter your target (desired) hair length.
3. Optionally adjust the monthly growth rate if you know yours differs from the average.
4. Click Calculate to see your estimated time and a month-by-month milestone chart.
5. Use the results to plan growth check-ins, trims, and styling goals.

Use cases

• Plan how many months you need to grow hair for a wedding or event hairstyle.
• Track progress toward a long-hair goal after a short cut.
• Estimate recovery time after a haircut that was shorter than intended.
• Set realistic expectations when growing out a pixie cut or bob.
• Compare growth timelines at different monthly rates (e.g., with supplements).
• Plan when to schedule trims without losing progress.

Frequently Asked Questions