12 % to ppm

12 % = 120,000 ppm

%ppm
9 %90,000
10 %100,000
11 %110,000
12120,000
13 %130,000
14 %140,000
15 %150,000

12 % = 120,000 ppm

Formula

1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm