Equivalent weight calculator
Equivalent weight (g/eq) from molar mass and equivalents per mole.
Calculator
How to use
Equivalent weight
$$\text{Eq} = \frac{M}{n}$$
- n depends on the reaction context (same caveat as normality).
When to use
- Older texts and industrial specs that still use equivalents.
- Linking normality to a concrete mass per equivalent.
Educational use only. Double-check values for labs, homework, and exams.