QCSunny Lab

Finance

Compound Interest Calculator

Compound interest with configurable compounding frequency, monthly contributions and a year-by-year table.

Loan Payment Calculator

Monthly payment, total interest and a yearly amortization schedule for any loan.

Mortgage Calculator

Monthly payment including principal, interest, tax, insurance and HOA, with an amortization schedule.

Investment Return Calculator

Future value of an initial investment plus monthly contributions, year by year.

ROI Calculator

Return on investment from cost and revenue, with net profit and return multiple.

Discount Calculator

Final price and savings from a percentage discount, for one or many items.

Salary Calculator

Convert an annual salary into hourly, weekly, biweekly, monthly and daily rates.

Tax Calculator

Simple flat-rate income tax: tax owed and net income from gross salary.