Financial and Planning Calculators
Use focused calculators for borrowing, saving, pay, debt, travel costs, shopping comparisons, and other practical money decisions. Each page includes the working tool, its calculation method, a worked example, limitations, and answers to common questions.
Estimate monthly mortgage payments with down payment, interest rate, property tax, and insurance.
Calculate how long it may take to pay off a loan and estimate total interest.
Convert hourly wages into annual and monthly pay estimates.
Estimate crypto trade profit, loss, and return after fees.
Estimate future balance, total contributions, and interest growth from principal, monthly deposits, rate, and time.
Compare debt payoff time, total interest, and extra payment impact for credit cards, personal loans, and balances.
Compare price per ounce, pound, item, sheet, serving, or unit to find the better buy while shopping.
Calculate test percentage, missed points, and letter grade estimate from points earned and total possible points.
Estimate trip fuel cost from distance, vehicle MPG, and gas price for commuting, delivery, and travel planning.