Many say stay at home mothers are useless and worthless. Not anymore. It’s interesting to find out that how much a stay at home mother worth. Based on a report (released by Salary.com), stay at home moms worth a whopping $138,095! So stay at home moms, be proud of yourself and the sacrifice you made for the family. Salary.com has an online tool for moms to calculate how much a particular mom’s work is worth.