TIME VALUE OF MONEY FORMULA SHEET # TVM Formula For: Annual Compounding Compounded/Payments (m) Times per Year Continuous Compounding 1 Future Value of a Lump Sum. (FVIFi,n) FV = PV( 1 + i )n FV = PV ( 1 + i/m ) nm FV = PV(e )in 2 Present Value of a Lump Sum. (PVIFi,n) PV = FV( 1 + i )-n PV = FV( 1 + i/m )-nm PV = FV(e )-in 3 Future Value of an Annuity. (FVIFAi,n) 4 Present Value of an Annuity. (PVIFAi,n) 5 Present Value of Perpetuity. (PVp) ⎡ ( 1 + i )n - 1⎤ FVA = PMT ⎢ ⎥ i ⎣ ⎦ -n ⎡1 - ( 1 + i ) ⎤ PVA = PMT ⎢ ⎥ i ⎣ ⎦ PMT PVperpetuity = i ⎡ ( 1 + i/m )nm - 1⎤ FVA = PMT ⎢ ⎥ i/m ⎣ ⎦ -nm ⎡1 - ( 1 + i/m ) ⎤ PVA = PMT ⎢ ⎥ i/m ⎣ ⎦ PMT PVperpetuity = [(1 + i)1/m − 1] 6 Effective Annual Rate given the APR. EAR = APR EAR = (1 + i/m)m - 1 7 The length of time required for a PV to grow to a FV. 8 The APR required for a PV to grow to a FV. 9 Present Value of a Growing Annuity. 10 The length of time required for a series of PMT’s to grow to a future amount (FVAn). 11 The length of time required for a series of PMT’s to exhaust a specific present amount (PVAn). n= ln (FV/PV) ln (1 + i ) 1/n ⎛ FV ⎞ i=⎜ ⎟ -1 ⎝ PV ⎠ PV = n= ln ( FV/PV) m * ln (1 + i/m) ⎡⎛ FV ⎞1/(nm) ⎤ i = m * ⎢⎜ - 1⎥ ⎟ ⎢⎣⎝ PV ⎠ ⎥⎦ EAR = ei - 1 n= ln (FV/PV) i i= ln (FV/PV) n n CF0 (1 + g ) ⎡ ⎛ 1 + g ⎞ ⎤ − 1 ⎜ ⎟ (i − g ) ⎢⎣⎢ ⎝ 1 + i ⎠ ⎥⎦⎥ ⎡ (FVA)(i) ⎤ ln ⎢ + 1⎥ PMT ⎣ ⎦ n= ln (1 + i) ⎡⎛ i ⎞⎛ FVA m ⎞⎤ ln ⎢⎜ ⎟⎜ + ⎟⎥ ⎝ m ⎠⎝ PMT i ⎠⎦ ⎣ n= m * [ln (1 + i/m)] ⎡ (PVA)(i) ⎤ ln ⎢1 − PMT ⎥⎦ n=− ⎣ , ln (1 + i) ⎡ (PVA)(i/m) ⎤ ln ⎢1 − PMT ⎥⎦ n=− ⎣ , m * [ln(1 + i/m)] for PVA(i) < PMT for PVA(i/m) < PMT Legend i = the nominal or Annual Percentage Rate m = the number of compounding periods per year ln = the natural logarithm, the logarithm to the base e PMT = the periodic payment or cash flow n = the number of periods EAR = the Effective Annual Rate e = the base of the natural logarithm ≈ 2.71828 Perpetuity = an infinite annuity Prepared by Jim Keys