Hair Growth Calculator

Calculate how long it takes to grow your hair to the desired length

Current Hair Status

Current Hair Length

Goal Hair Length

Age Range

Gender

Hair Characteristics

Hair Type

Hair Thickness

Overall Health

Stress Level

Hair Care & Lifestyle Factors

Good Nutrition Hair Vitamins Regular Trims Frequent Heat Chemical Treatments Protective Styling Scalp Massage Smoking

Your Hair Growth Timeline

12 months

Time to Goal

6 inches

Growth Needed

0.5 in/mo

Your Growth Rate

85%

Hair Health Score

Growth Milestones

Growth Boosting Tips

Things to Avoid

Expected Monthly Progress

Hair Growth Science

Average Growth Rate

Hair grows approximately 0.5 inches (1.27 cm) per month or 6 inches per year on average.

Growth Phases

Hair goes through anagen (growth), catagen (transition), and telogen (resting) phases.

Individual Variation

Growth rate varies based on genetics, age, health, and lifestyle factors.

Growth Factors

Genetics

Your genetic makeup determines maximum growth potential and hair characteristics.

Nutrition

Proper nutrition with proteins, vitamins, and minerals supports healthy growth.

Age

Hair growth slows with age due to hormonal changes and decreased circulation.

Health

Overall health, stress levels, and medical conditions affect growth rate.

Hair Care

Proper care, minimal damage, and scalp health promote optimal growth.

Hair Length Reference Guide

Short Lengths

Pixie: 2 inches
Bob: 4 inches
Chin: 6 inches

Medium Lengths

Shoulder: 8 inches
Armpit: 10 inches
Mid-back: 12 inches

Long Lengths

Waist: 16 inches
Hip: 20 inches
Tailbone: 24 inches

Very Long

Thigh: 28 inches
Knee: 32 inches
Floor: 36+ inches