June 8, 2026

Molarity Calculator

Calculate

Mass

Molar Mass

Volume

Molarity (concentration)

mol/L

Stock concentration C₁

mol/L

Desired concentration C₂

mol/L

Desired final volume V₂

Volume of stock needed V₁

C₁V₁ = C₂V₂ → V₁ = (C₂ × V₂) / C₁

Fill in values and click Calculate.