Whether you're growing out a pixie cut, recovering from a big chop, or just curious how long your hair might be in a few months, the Hair Growth Calculator is your go-to guide. This tool is designed to help you estimate how long your hair will grow over a specific period based on the average monthly growth rate.
On average, human hair grows about 1.27 cm per month (roughly 0.5 inches). This can vary slightly due to genetics, health, and environmental factors—but it's a solid starting point for most people.
This calculator is especially helpful for:
- People on hair growth journeys (e.g., natural hair care routines or growing out damaged hair)
- Anyone planning a future hairstyle (like weddings, protective styles, or major hair transformations)
- Stylists or cosmetologists assisting clients with realistic hair length expectations
- Transgender individuals tracking hair progress during transition
- People recovering from hair loss (due to illness, postpartum, stress, etc.)
Real-World Example:
Let’s say your current hair length is 20 cm, and you're planning to grow it out for 6 months. The calculator will estimate the growth over that time (6 × 1.27 = ) and add it to your current length to give a final estimate: 27.62 cm.
Or maybe you have a specific length goal — say 35 cm — and you're starting at 22 cm. The tool will reverse-calculate how many months you'll need to reach that goal (13 cm ÷ 1.27 = approx. 10.2 months).
Common Use Cases:
- Setting hair goals
- Tracking monthly growth progress
- Determining when to trim
- Planning for special occasions
- Estimating regrowth after haircuts or shedding