Finance & Business Tools

Enter loan amount, interest rate, and term. Get monthly payment, total interest paid, and full amortization schedule.

Enter home price, down payment, interest rate, and loan term. Get monthly PITI (Principal, Interest, Tax, Insurance) with amortization schedule.

Enter bill amount, choose tip percentage (or custom), optionally split among multiple people, and see the total with per-person breakdown.

Enter initial investment and final value (or gains/losses) to see ROI percentage, net gain, and annualized ROI over a time period.

Enter initial amount, interest rate, time period, contribution amount, and compounding frequency to see total growth and breakdown.

Enter loan amount, interest rate, and term. Get monthly payment, total interest paid, and full amortization schedule.

Enter home price, down payment, interest rate, and loan term. Get monthly PITI (Principal, Interest, Tax, Insurance) with amortization schedule.

Enter loan details and get a month-by-month table showing how each payment splits between principal and interest, with running balance.

Enter principal, interest rate, and time period to compute simple interest and total amount. Compare with compound interest results.

Enter initial amount, interest rate, time period, contribution amount, and compounding frequency to see total growth and breakdown.

Enter fixed costs, variable cost per unit, and selling price to see how many units you need to sell to break even, with profit projections.

Enter initial investment and final value (or gains/losses) to see ROI percentage, net gain, and annualized ROI over a time period.

Enter cost and selling price to see margin % and markup %. Or enter cost and target margin to compute the required selling price.

Generate professional invoice numbers using templates like INV-2026-001 or CUSTOMER-YYYYMM-XXX with preview of the next number in sequence.

Enter your hourly rate, estimated hours, expenses, and buffer percentage to generate a professional project quote with line-item breakdown.

Enter bill amount, choose tip percentage (or custom), optionally split among multiple people, and see the total with per-person breakdown.

Enter an amount and tax rate to see the tax amount, total, and pre-tax breakdown. Works for US sales tax and international VAT.

Enter original price and discount % to see the sale price and savings. Works in reverse: enter both prices to find the discount percentage.

Enter an amount and choose a locale/currency to see how it looks in that format, with symbol placement, decimal separator, and grouping.

Enter annual salary to see hourly rate (or vice versa). Adjust for hours per week, weeks per year, and see per-day/per-month breakdowns.

Enter loan amount, interest rate, and term. Get monthly payment, total interest paid, and full amortization schedule.

Enter home price, down payment, interest rate, and loan term. Get monthly PITI (Principal, Interest, Tax, Insurance) with amortization schedule.

Enter initial amount, interest rate, time period, contribution amount, and compounding frequency to see total growth and breakdown.

Enter principal, interest rate, and time period to compute simple interest and total amount. Compare with compound interest results.

Enter bill amount, choose tip percentage (or custom), optionally split among multiple people, and see the total with per-person breakdown.

Enter an amount and tax rate to see the tax amount, total, and pre-tax breakdown. Works for US sales tax and international VAT.

Generate professional invoice numbers using templates like INV-2026-001 or CUSTOMER-YYYYMM-XXX with preview of the next number in sequence.

Enter cost and selling price to see margin % and markup %. Or enter cost and target margin to compute the required selling price.

Enter fixed costs, variable cost per unit, and selling price to see how many units you need to sell to break even, with profit projections.

Enter initial investment and final value (or gains/losses) to see ROI percentage, net gain, and annualized ROI over a time period.

Enter loan details and get a month-by-month table showing how each payment splits between principal and interest, with running balance.

Enter annual salary to see hourly rate (or vice versa). Adjust for hours per week, weeks per year, and see per-day/per-month breakdowns.

Enter your hourly rate, estimated hours, expenses, and buffer percentage to generate a professional project quote with line-item breakdown.

Enter original price and discount % to see the sale price and savings. Works in reverse: enter both prices to find the discount percentage.

Enter an amount and choose a locale/currency to see how it looks in that format, with symbol placement, decimal separator, and grouping.