5.5 % to ppm

5.5 % = 55,000 ppm

%ppm
2.5 %25,000
3.5 %35,000
4.5 %45,000
5.555,000
6.5 %65,000
7.5 %75,000
8.5 %85,000

5.5 % = 55,000 ppm

Formula

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