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Chemistry

Titration Calculator

Find an unknown analyte concentration from titrant concentration, equivalence volume and balanced reaction coefficients.

Explicit units and model assumptionsLocal calculations with worked examples
Chemistry workspace
Chemistry workspace

Check the units, concentration basis and assumptions before interpreting the result.

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Your chemistry result

Your result

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Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter titrant concentration, titrant equivalence volume, analyte sample volume, analyte coefficient, titrant coefficient.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Analyte molarity = titrant molarity × titrant volume × analyte coefficient ÷ (sample volume × titrant coefficient). Both volumes use the same unit.

A WORKED EXAMPLE

Using titrant concentration = 0.1 mol/L, titrant equivalence volume = 25 mL, analyte sample volume = 20 mL, analyte coefficient = 1, titrant coefficient = 1, the result is 0.125 mol/L. Change these example inputs to match your task; use the method above to check each step.

Understanding your result

Only when the stoichiometric mole ratio is 1:1. For other reactions, include the balanced coefficients rather than assuming equal reacting mole amounts.

What to keep in mind

Assumes a known balanced reaction and an accurately detected equivalence point. The indicator endpoint may differ. Educational calculation only; use validated procedures for laboratory work.

Reference: OpenStax Chemistry 2e — chemical quantities and models

Common questions

When is M1V1 = M2V2 enough?

Only when the stoichiometric mole ratio is 1:1. For other reactions, include the balanced coefficients rather than assuming equal reacting mole amounts.

Are my inputs uploaded?

No. This calculation runs in your browser without an account or an external API.

Methodology maintained by ClarityKit. How these tools are built and checked.