Equivalent Weight Calculator

Calculate the equivalent weight (gram equivalent) of acids, bases, salts, and redox reactions. Equivalent weight = Molar Mass / n-factor.

Compound Type *

Significant Figures

Select Common Compound (Optional)

Molar Mass (g/mol) *

Molar mass of the acid

Number of Replaceable H⁺ Ions *

Number of acidic hydrogens (e.g., H₂SO₄ has 2)

Show Steps

Show Formula

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Equivalent Weight Result

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Equivalent Weight Visualization

Visual comparison of molar mass and equivalent weight

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Step-by-step equivalent weight calculation

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Equivalent Weight

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g/equiv

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Molar Mass

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g/mol

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n-factor

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Equivalent factor

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Type

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Compound category

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Key formulas for different compound types

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Understanding equivalent weight

📊 Chemical Disclaimer: Equivalent weight depends on the reaction context. The n-factor can vary for the same compound in different reactions.