Financial Formulas

How much your friendly neighborhood pawnshop or bank profits just because you need that killer amp!

Simple Interest Future Value

FV = PV * (1 + ( i * N ) ]

FV - future value (or maturity value)
PV - principal or present value
i - interest rate per period
N - number of periods

Simple Interest

I = PV * i * N

PV - principal or present value
i - interest rate per period
N - number of periods

Compound Interest Future Value

FV = PV * ( 1 + i )^N

PV = present value
FV = future value (maturity value)
i = interest rate in percent per period
N = number of periods

Compounded Interest

i = FV - PV

PV = present value
FV = future value (maturity value)
i = interest rate in percent per period

Annuity

 FV = PMT * [ ( ( 1 + i )^N - 1 ) / i ]

FV = future value (maturity value)
PMT = payment per period
i = interest rate in percent per period
N = number of periods

Simple Interest Amortized Loan Formula

PV * ( 1 + i )^N = PMT * [ ( 1 + i )^N - 1 ] / i

PMT = the payment per period
i = interest rate in percent per period
PV = loan / mortgage amount
N = number of periods

FINANCIAL CALCULATORS ONLINE