Mix 1 part color with 2 parts developer — from any amount you already know.
Enter how much color you are using; developer is calculated at 2×.
1:2 mix (color : developer)
- Hair color / dye
- 60 g (33.33% of mix)
- Developer / oxidant
- 120 g (66.67% of mix)
- Total in bowl
- 180 g
Ratio 1:2 — 1 part color + 2 parts developer
Hair Color 1:2 Ratio Calculator helps you mix 1 part color with 2 parts developer — from any amount you already know. It is commonly used by fitness users, coaches, wellness practitioners for hair color 1:2 ratio, hair dye developer calculator, 1 to 2 hair color mix.
Standard 1:2 salon mix
Many permanent hair colors call for 1 part color (tube/dye) to 2 parts developer (oxidant). This tool splits your mix instantly:
- Enter **color amount** → get developer (2×) and bowl total
- Enter **developer amount** → get color (half) and total
- Enter **total mixture** → get color (⅓) and developer (⅔)
Example (pre-filled)
60 g color is a common half-tube batch → 120 g developer → 180 g total in the bowl.
Brand notes
Ratios vary by line (1:1, 1:1.5, toners, high-lift). Always check your color manufacturer’s technical guide.