9 % to ppm

9 % = 90,000 ppm

%ppm
6 %60,000
7 %70,000
8 %80,000
990,000
10 %100,000
11 %110,000
12 %120,000

9 % = 90,000 ppm

Formula

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