38 % to ppm

38 % = 380,000 ppm

%ppm
32 %320,000
34 %340,000
36 %360,000
38380,000
40 %400,000
42 %420,000
44 %440,000

38 % = 380,000 ppm

Formula

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