Convert mEq to mg, or mg to mEq, for potassium, sodium, calcium, magnesium and salts such as KCl, or enter your own molar mass and valence. Solve for ? Milligrams from mEqMilliequivalents from mg Amount (mEq) Chemical basisSodium (Na⁺)Potassium (K⁺)Calcium (Ca²⁺)Magnesium (Mg²⁺)Chloride (Cl⁻)Lithium (Li⁺)Bicarbonate (HCO₃⁻)Sodium chloride (NaCl; per Na⁺/Cl⁻)Potassium chloride (KCl; per K⁺/Cl⁻)Calcium carbonate (CaCO₃; … Continue reading mEq To mg Calculator