Friday, 31 January 2025

fv

 The FV function in Excel is used to calculate the future value of an investment based on a constant interest rate. It can be used for both lump-sum investments and periodic investments (like monthly contributions). Below is an expanded explanation of the FV function, including examples with data and formulas.


Syntax of the FV Function

excel
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FV(rate, nper, pmt, [pv], [type])
  • rate: The interest rate per period.

  • ****nper`**: The total number of payment periods.

  • pmt: The payment made each period (optional if pv is provided).

  • pv: The present value or lump-sum amount (optional if pmt is provided).

  • type: When payments are due (0 = end of period, 1 = beginning of period; optional, default is 0).


Examples of FV Function

Example 1: Future Value of a Lump-Sum Investment

You invest $10,000 at an annual interest rate of 5% for 10 years. The interest is compounded annually.

  • Data:

    • Present Value (pv): -$10,000 (negative because it's an outflow)

    • Annual Interest Rate (rate): 5% or 0.05

    • Number of Years (nper): 10

    • Payment (pmt): 0 (no periodic payments)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.05, 10, 0, -10000, 0)
  • Result: $16,288.95


Example 2: Future Value of Periodic Investments

You contribute $500 monthly to an investment account with an annual interest rate of 6% for 20 years. The interest is compounded monthly.

  • Data:

    • Monthly Interest Rate (rate): 6% / 12 = 0.5% or 0.005

    • Number of Months (nper): 20 * 12 = 240

    • Monthly Payment (pmt): -$500 (negative because it's an outflow)

    • Present Value (pv): 0 (no initial lump-sum investment)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.005, 240, -500, 0, 0)
  • Result: $232,175.75


Example 3: Future Value with Both Lump-Sum and Periodic Investments

You invest 5,000initiallyandcontribute200 monthly for 15 years at an annual interest rate of 4%. The interest is compounded monthly.

  • Data:

    • Monthly Interest Rate (rate): 4% / 12 = 0.333% or 0.00333

    • Number of Months (nper): 15 * 12 = 180

    • Monthly Payment (pmt): -$200 (negative because it's an outflow)

    • Present Value (pv): -$5,000 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.00333, 180, -200, -5000, 0)
  • Result: $58,898.46


Example 4: Future Value with Payments at the Beginning of the Period

You contribute $1,000 annually at the beginning of each year for 25 years at an annual interest rate of 7%.

  • Data:

    • Annual Interest Rate (rate): 7% or 0.07

    • Number of Years (nper): 25

    • Annual Payment (pmt): -$1,000 (negative because it's an outflow)

    • Present Value (pv): 0 (no initial lump-sum investment)

    • Type (type): 1 (payments at the beginning of the period)

  • Formula:

    excel
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    =FV(0.07, 25, -1000, 0, 1)
  • Result: $63,249.04


Example 5: Future Value with a Negative Interest Rate

You invest $8,000 at an annual interest rate of -2% (declining value) for 5 years.

  • Data:

    • Annual Interest Rate (rate): -2% or -0.02

    • Number of Years (nper): 5

    • Payment (pmt): 0 (no periodic payments)

    • Present Value (pv): -$8,000 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(-0.02, 5, 0, -8000, 0)
  • Result: $7,234.30 (the value decreases due to the negative interest rate)


Example 6: Future Value with a Large Number of Periods

You invest $1,000 at a monthly interest rate of 0.5% for 30 years (360 months).

  • Data:

    • Monthly Interest Rate (rate): 0.5% or 0.005

    • Number of Months (nper): 30 * 12 = 360

    • Payment (pmt): 0 (no periodic payments)

    • Present Value (pv): -$1,000 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.005, 360, 0, -1000, 0)
  • Result: $6,022.58


Example 7: Future Value with a Zero Interest Rate

You invest $2,000 with no interest (0%) for 10 years.

  • Data:

    • Annual Interest Rate (rate): 0% or 0

    • Number of Years (nper): 10

    • Payment (pmt): 0 (no periodic payments)

    • Present Value (pv): -$2,000 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0, 10, 0, -2000, 0)
  • Result: $2,000 (no growth due to 0% interest)


Example 8: Future Value with a High Interest Rate

You invest $500 at an annual interest rate of 15% for 20 years.

  • Data:

    • Annual Interest Rate (rate): 15% or 0.15

    • Number of Years (nper): 20

    • Payment (pmt): 0 (no periodic payments)

    • Present Value (pv): -$500 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.15, 20, 0, -500, 0)
  • Result: $8,183.89


Example 9: Future Value with a Small Periodic Investment

You contribute $10 monthly for 5 years at an annual interest rate of 3%. The interest is compounded monthly.

  • Data:

    • Monthly Interest Rate (rate): 3% / 12 = 0.25% or 0.0025

    • Number of Months (nper): 5 * 12 = 60

    • Monthly Payment (pmt): -$10 (negative because it's an outflow)

    • Present Value (pv): 0 (no initial lump-sum investment)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.0025, 60, -10, 0, 0)
  • Result: $646.50


Example 10: Future Value with a Large Initial Investment

You invest 50,000initiallyandcontribute1,000 annually for 30 years at an annual interest rate of 8%.

  • Data:

    • Annual Interest Rate (rate): 8% or 0.08

    • Number of Years (nper): 30

    • Annual Payment (pmt): -$1,000 (negative because it's an outflow)

    • Present Value (pv): -$50,000 (negative because it's an outflow)

    • Type (type): 0 (payments at the end of the period)

  • Formula:

    excel
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    =FV(0.08, 30, -1000, -50000, 0)
  • Result: $734,075.16


These examples demonstrate how the FV function can be used in various scenarios to calculate the future value of investments. Adjust the inputs to match your specific situation!

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