1,240 ppm to mg/L

1,240 ppm = 1,240 mg/L

ppmmg/L
1,225 ppm1,225
1,230 ppm1,230
1,235 ppm1,235
1,2401,240
1,245 ppm1,245
1,250 ppm1,250
1,255 ppm1,255

1240 ppm = 1,240 mg/L

Formula

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