Molarity Calculator

Calculate molarity, moles, volume, mass, and perform dilution calculations

Your Input

Select a calculation type, enter the required values and units, then click Calculate to see the result and step-by-step solution.

Πλήρης Οδηγός χρήσης

What is Molarity?

Molarity (M) is a measure of concentration, defined as the number of moles of solute per liter of solution. It is one of the most common units for expressing solution concentration in chemistry.

Τρόπος Χρήσης

  1. Select a calculation type from the dropdown
  2. Enter the required values and select units
  3. Click Calculate to see the result and step-by-step solution
  4. Use Reset to clear and hide results

Τύποι Υπολογισμού

  • Molarity from Moles & Volume: Calculate molarity when you know moles and volume
  • Moles from Molarity & Volume: Calculate moles when you know molarity and volume
  • Volume from Molarity & Moles: Calculate volume when you know molarity and moles
  • Molarity from Mass, MW & Volume: Calculate molarity from mass, molecular weight, and volume
  • Mass from Molarity, MW & Volume: Calculate mass needed for a specific molarity
  • Dilution: Calculate dilution using M1V1 = M2V2

Φόρμουλες

Molarity:
M = n / V

Moles:
n = M × V

Τόμος:
V = n / M

Moles from Mass:
n = m / MW

Μάζα:
m = n × MW

Dilution:
M1 × V1 = M2 × V2

Υποστηριζόμενες μονάδες

Τόμος: L, mL, µL, cm³, m³

Μάζα: g, mg, µg, kg

Molarity: M (mol/L)

Σημαντικές Σημειώσεις

  • Molarity values must be non-negative
  • Volume and molecular weight must be greater than zero
  • Moles and mass must be non-negative
  • All calculations use liters as the base volume unit
  • Results are rounded to 6 decimal places

Κοινές Εφαρμογές

  • Preparing solutions of known concentration
  • Diluting stock solutions
  • Calculating reagent amounts for reactions
  • Laboratory solution preparation
  • Chemistry homework and exams

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