Sales Tax Calculator
Compute sales tax and total from a pre-tax amount and tax rate percent.
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Mortgage Amortization Calculator
Estimate the monthly amortizing payment on a fixed rate mortgage from principal, rate, and years.
Use calculatorHours Calculator
Find elapsed hours and minutes between start and end clock times, including overnight spans.
Use calculatorHELOC Calculator
Estimate monthly payment, total paid, and interest for an amortizing repayment on a drawn HELOC amount.
Use calculatorBra Size Calculator
Estimate a US/UK style bra size from band (underbust) and bust measurements in inches.
Use calculatorRent vs Buy Calculator
Compare total rent cost to an approximate net buy cost over a multi-year window and return a text…
Use calculatorCanadian Mortgage Calculator
Estimate Canadian mortgage payment using semi-annual compounding and monthly or biweekly frequency.
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Approximate APR from amortizing interest plus fees spread over the loan years.
Use calculatorIRR Calculator
Estimate IRR with a simple two amount model or Newton IRR on a cashflow list.
Use calculatorBusiness Loan Calculator
Estimate the monthly payment, total paid, and interest on an amortizing business loan.
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