Calculators & Finance
Calculate percentages (including stacked discounts), split a tip fairly, work out loan payments with a full amortization schedule, and project compound interest growth — all today, in your browser.
Showing 6 of 85 tools
Age Calculator
Calculate exact age from a birth date, or the difference between any two dates, broken down into years, months, days, total days, weeks, hours, and minutes — with next-birthday countdown and an option to count business days only.
Try it nowCompound Interest Calculator
Calculate how a starting amount grows with compound interest across any compounding frequency, including regular contributions, with a full year-by-year breakdown and CSV export.
Try it nowLoan / EMI Calculator
Calculate your monthly loan payment, see the complete amortization schedule broken down by year or month, and find out exactly how much time and interest an extra monthly payment would save.
Try it nowMortgage Calculator
Calculates your complete monthly payment (principal, interest, property tax, home insurance, PMI, HOA), the exact month PMI is projected to auto-cancel, the real impact of extra or biweekly payments, and an honest refinance break-even check that doesn't hide when a lower payment costs you more overall.
Try it nowPercentage Calculator
Find a percentage of a number, work out what percent one number is of another, reverse-solve for the total, calculate percentage change, difference, or error, apply an increase or decrease, or chain multiple discounts in sequence to see why "20% off, then 10% off" isn't 30% off — eight calculators in one, with the formula shown for every result.
Try it nowTip Calculator
Calculate a tip on the subtotal or the subtotal plus tax, split evenly among a group or fairly by what each person actually ordered, round the total up to avoid awkward change, and pick from real service-type tipping norms — with every split guaranteed to add up to the exact total, to the cent.
Try it now