Financial Calculators
Loans, savings, tax, retirement and credit cards: free calculators that show every formula.
Auto Loan Calculator
Monthly car payment, total interest, and total cost from price, down payment and rate.
Use Calculator āPersonal Loan Calculator
Monthly payment and total repayment cost for any personal loan ā 1 to 7 year terms.
Use Calculator āLoan Calculator
Standard loan amortization ā PĆ[r(1+r)^n]/[(1+r)^n-1] formula shown.
Use Calculator āCompound Interest Calculator
Daily, monthly, or annual compounding with optional regular contributions.
Use Calculator āSimple Interest Calculator
I = P Ć r Ć t ā straightforward interest for loans and short-term savings.
Use Calculator āSavings Calculator
Project savings growth with regular contributions. Includes goal tracker.
Use Calculator āTax Calculator 2026
Federal income tax, state tax, and FICA using 2026 IRS brackets. Shows effective rate.
Use Calculator ā401k Calculator
Project 401k balance at retirement with employer match and compound growth.
Use Calculator āRetirement Calculator
FIRE number and retirement readiness across multiple countries.
Use Calculator āFIRE Calculator
Financial Independence number ā 6 countries, 4% safe withdrawal rate.
Use Calculator āCredit Card Payoff Calculator
How long to pay off your balance and total interest paid at any monthly payment.
Use Calculator āCredit Card Interest Calculator
Daily, monthly, and annual interest cost on any credit card balance.
Use Calculator āAmortization Calculator
Full payment-by-payment amortization schedule for any loan or mortgage.
Use Calculator āNet Worth Calculator
Total assets minus liabilities ā know exactly where you stand financially.
Use Calculator āStudent Loan Calculator
Monthly payments, total interest, payoff timeline with term comparison
Use Calculator āBudget Calculator (50/30/20)
Monthly budget planner ā needs, wants, savings with real-time tracking
Use Calculator āRent Calculator
How much rent can you afford? 30% rule with full monthly budget breakdown
Use Calculator ā15 vs 30 Year Mortgage
Side-by-side comparison ā monthly payment, total interest saved
Use Calculator ā