Free tool  ·  No signup needed

How many boxes of
hair dye do you need?

Answer 5 quick questions and we'll tell you exactly how many boxes to buy — no waste, no running short.

1
How long is your hair?
✂️ Pixie ≤ 2 inches
💇 Short 2–4 inches
🪮 Bob Chin–shoulder
👱 Long Below shoulder
🧜 Very long Mid-back+
2
How thick is your hair?
🪡 Fine / thin Ponytail is small
〰️ Medium Average ponytail
🌊 Thick / coarse Large ponytail
3
What's your hair texture?
〽️ Straight No curl pattern
〰️ Wavy Loose waves
🌀 Curly / coily Absorbs more dye
4
What is your current hair color?
Black
Dark brown
Medium brown
Light brown
Blonde
Platinum / bleached
5
What color do you want to go?
Black
Dark brown
Medium brown
Light brown
Blonde
Vivid / fashion

You need approximately

—
boxes of hair dye

Before you shop

← Start over with different answers

These are estimates based on typical box dye coverage.
Results vary by brand, porosity, and application method.
When in doubt, buy one extra box — most stores accept returns on unopened boxes.