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Mole Calculator

Chemistry
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Converts between moles, mass, and molecular weight.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Mass, Molecular Weight, and Moles in the units shown.

Step 2

Read Calculated Molecular Weight, Calculated Mass, and Calculated Moles in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Water

Mass: 18.015 grams; Molecular Weight: 18.015 grams/mol; Moles: 1 mol

Calculated Molecular Weight: 18.015 grams/mol; Calculated Mass: 18.015 grams; Calculated Moles: 1 mol

Sodium Chloride

Mass: 58.44 grams; Molecular Weight: 58.44 grams/mol; Moles: 1 mol

Calculated Molecular Weight: 58.44 grams/mol; Calculated Mass: 58.44 grams; Calculated Moles: 1 mol

Glucose

Mass: 180.16 grams; Molecular Weight: 180.16 grams/mol; Moles: 1 mol

Calculated Molecular Weight: 180.16 grams/mol; Calculated Mass: 180.16 grams; Calculated Moles: 1 mol

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