🧪 Concentration Converter
Convert between Molarity, ppm, ppb, g/L, and other concentration units
Default 1.0 for aqueous solutions
Molarity (M)
1.00000
Millimolar (mM)
1000.00
Micromolar (μM)
1.00000e+6
Nanomolar (nM)
1.000e+9
g/L
58.4400
mg/L
58440.0
ppm
58440.0
ppb
5.844e+7
% w/v
5.84400
% w/w
5.84400
Molality (m)
1.00000
Normality (N)
1.00000
📚 Common Compounds
📐 Key Formulas
Molarity (M)
M = moles solute / liters solution
M = (grams / MW) / liters
ppm to Molarity
M = ppm / (MW × 1000)
ppm = M × MW × 1000
% w/v
% w/v = (g solute / 100 mL) × 100
% w/v = M × MW / 10
Dilution
C₁V₁ = C₂V₂
(initial conc × vol = final)