20 % to ppm

20 % = 200,000 ppm

%ppm
14 %140,000
16 %160,000
18 %180,000
20200,000
22 %220,000
24 %240,000
26 %260,000

20 % = 200,000 ppm

Formula

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