7.5 % to ppm

7.5 % = 75,000 ppm

%ppm
4.5 %45,000
5.5 %55,000
6.5 %65,000
7.575,000
8.5 %85,000
9.5 %95,000
10.5 %105,000

7.5 % = 75,000 ppm

Formula

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