Free Financial Calculators Suite

Calculate gross profit margin, net profit margin, and markup percentages from revenue and cost of goods sold.

Estimate monthly mortgage payments including principal, interest, taxes, insurance, HOA, and PMI.

Calculate monthly payments, total interest, and total cost for personal, auto, or student loans.

Determine car financing payments factoring in vehicle price, trade-in equity, sales tax, and dealer fees.

Compare simple interest versus compound interest growth side by side across customizable terms.

Find out how much loan you can afford for a target payment, or how long it will take to pay off a balance.

Project retirement nest egg growth, safe annual drawdown (4% rule), and monthly retirement income.

Generate complete year-by-year and month-by-month loan repayment schedules with extra payment impact.

Forecast the future value of your portfolio with recurring contributions and compounded growth.

Understand the erosion of purchasing power over time and calculate future equivalent costs.

Analyze return on investment (ROI), compound annual growth rate (CAGR), and Rule of 72 doubling time.

Estimate effective tax rate, federal bracket, standard deduction, and net take-home pay.

Calculate compounded growth with daily, monthly, quarterly, semi-annual, or annual compounding.

Convert annual salary into hourly, daily, weekly, bi-weekly, semi-monthly, and monthly earnings.

Solve for the exact loan interest rate (APR) given the total balance, term, and monthly payment.

Add sales tax to an item or reverse-calculate the pre-tax price from a total receipt with discount support.

Compute Goods & Services Tax (GST) additions or reverse GST deductions with 50/50 CGST/SGST breakdown.

Calculate effective hourly rate and gross earnings including overtime premiums, bonuses, and paid time off.