Molar Concentration Calculator

Calculate molarity, mass concentration, weight/volume percent, and perform solution dilutions with automatic molecular weight calculation from chemical formulas.

Enter chemical formula (supports hydrates with ·)
Automatically calculated from formula

Serial Dilution Calculator (C₁V₁ = C₂V₂)

Solution Preparation

Concentration Unit Converter

What is a Molar Concentration Calculator?

A comprehensive tool for calculating molarity, mass concentration, weight/volume percent, and performing solution dilutions. Features automatic molecular weight calculation from chemical formulas including hydrates.

How to Use This Calculator

Quick guide to get results:

  1. Enter chemical formula (auto-calculates MW)
  2. Input mass and volume
  3. View all concentration units instantly
  4. Use tabs for dilutions and conversions

When to Use

This calculator is essential for:

  • Preparing laboratory solutions
  • Converting between concentration units
  • Planning serial dilutions
  • Quality control and standardization
  • Pharmaceutical formulations

Supported Chemical Formulas

Examples of supported formulas:

NaCl, C6H12O6, CuSO4·5H2O, Ca(OH)2, H2SO4

Supports hydrates (·), parentheses, and complex formulas.

Calculation Examples

Common calculations:

1M NaCl = 58.44 g/L = 5.844% (w/v)
1mM glucose = 0.180 g/L = 180 mg/L

Automatically converts between all concentration units.

FAQ

Q: Does this support hydrated salts?
A: Yes, use · notation (e.g., CuSO4·5H2O).

Q: What units are supported?
A: M, mM, μM, g/L, mg/mL, μg/mL, %, ppm.