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PPM to Molarity Calculator
Convert parts per million (ppm) to molarity (M)
Formula: M = (ppm × Density) / (Molar Mass × 1000)
Converts concentration in parts per million (mg/L in dilute aqueous solutions) into molarity (mol/L).
Converts concentration in parts per million (mg/L in dilute aqueous solutions) into molarity (mol/L).
Solution Parameters
Calculation Results
⚠️ The conversion assumes 1 ppm equals 1 mg/L, which is strictly valid for dilute aqueous solutions where the solution density is approximately 1.0 g/mL. For concentrated solutions or non-aqueous solvents, actual solution density must be factored in.