mg to mEq calculator


Free online mg to mEq Calculator – calculate milliequivalents (meq)from milligrams (mg) for different substances.

How to use mg to mEq calculator?

You can follow this step:

  • Enter the milligram value
  • Select the substance
  • Click the calculate button
  • You get results in milliequivalent

mg to mEq formula

The formula for converting milligrams to milliequivalents is:

mEq = mg / equivalent weight


  • mEq = milliequivalent
  • mg = milligram

How to convert mg to mEq?

To convert milligrams (mg) to milliequivalents (meq), you need to know the equivalent weight of the substance

Here’s a step-by-step guide:

  1. Identify the substance
  2. Determine the equivalent weight of the substance
  3. Put all values into the above formula

Solved Example

Example- Suppose you have 200 mg of calcium (Ca2+) and want to convert it to milliequivalents.


The equivalent weight of calcium is 40 g/mol

milliequivalents = 200 / 40 = 5 mEq

200 mg of calcium is equivalent to 5 milliequivalents

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