Loans, debt payoff, retirement, saving, and budgeting — standard amortization and compound-interest math, verified and explained. Free, instant, no account.
Work out monthly payments, total interest, and how much faster you could be debt-free with extra payments.
Compare snowball vs. avalanche and see how much interest a payoff plan saves you.
See how compound interest grows your money over time across savings, CDs, and goals.
Project retirement account growth and check whether your savings are on track.
Plan your spending, convert pay, and track what you’re really worth.
Decide how much house you can afford and whether renting or buying makes more sense.
FitCalcTools also covers health and fitness — from BMI and TDEE to sleep and pregnancy.