PPM & Concentration

  • mcg to ppm Converter

    A mcg of substance in a gram of sample is 1 ppm. Divide the mcg by the grams to switch. Quick answer: Divide the micrograms of substance by the grams of sample. For example, 50 mcg in 10 g is 5 ppm, 200 mcg in 50 g is 4 ppm and 1,000 mcg in 250…

  • mg/L to ppb Converter

    In water, 1 mg/L is 1,000 ppb. For other liquids, the density changes the answer. Quick answer: Multiply the mg/L by 1,000 and divide by the density of the liquid in g/mL. For example, 0.5 mg/L of Water is 500 ppb, 0.5 mg/L of Whole milk is 485.44 ppb and 0.5 mg/L of Olive oil…