Free tools for BMI, BMR, calories, macros, and body metrics. Built for everyday health decisions.
Free educational tools for users in the United States.
Results are estimates — not medical advice.
Questions? info@usacalc.online
USACalc.online is a free USA finance & health calculator hub. We help Americans calculate mortgage PITI, 401k, amortization & calories with formulas based on standard IRS, CFPB & CDC guidance. Founded by Wajahat Hussain, every calculator is checked against publicly documented formulas before publishing. "Health and medical information on this page has been compiled from publicly available guidance by ACOG, Mayo Clinic, CDC, and the Office on Women's Health. This content is for educational purposes and does not replace professional medical advice."
