Money & Finance
Tips, taxes, interest and everyday money math
$10,450Money & FinanceCD CalculatorSee what a certificate of deposit earns: value at maturity and interest from amount, APY and term.×1.63Money & FinanceInterest CalculatorCompound or simple interest on your savings, with optional monthly deposits and a yearly view.+7.25%Money & FinanceSales Tax CalculatorAdd sales tax to a price or extract the tax from a receipt total, with any state or local rate.$12.33Money & FinanceTip CalculatorWork out the tip, the total and each person's share, with quick 15 to 25 percent presets.
These calculators handle the money math you meet every week: splitting a restaurant bill, checking the sales tax on a receipt, comparing a CD to a savings account or projecting compound interest. Amounts never leave your browser. Under each tool, a short guide explains the formula and the traps, like tipping on the pre-tax amount or confusing APY with APR.