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Online Future Value Calculator

Online Future Value Calculator

Calculate the future value of your investments with this easy-to-use online future value calculator. Project growth for lump-sum and recurring investments over time with customizable interest rates and compounding periods.

Future Value (FV)

Future Value ($): 39,869.90

PV (Present Value) ($) 12,431.62

N (Number of Periods) 20

I/Y (Interest Rate) 6%

PMT (Periodic Deposit) ($): 200.00

Starting Amount ($): 10,000.00

Total Periodic Deposits ($): 4,000.00

Total Interest ($): 25,869.90

Starting Amount

Periodic Deposit (PMT)

Interest ($)

BEGINNING BALANCE ($) Interest ($) Principal ($) ENDING BALANCE ($)
1 10,200.00 200.00 612.00 10,812.00
2 11,012.00 200.00 660.72 11,672.72
3 11,872.72 200.00 712.36 12,585.08
4 12,785.08 200.00 767.10 13,552.19
5 13,752.19 200.00 825.13 14,577.32
6 14,777.32 200.00 886.64 15,663.96
7 15,863.96 200.00 951.84 16,815.80
8 17,015.80 200.00 1,020.95 18,036.74
9 18,236.74 200.00 1,094.20 19,330.95
10 19,530.95 200.00 1,171.86 20,702.81
11 20,902.81 200.00 1,254.17 22,156.97
12 22,356.97 200.00 1,341.42 23,698.39
13 23,898.39 200.00 1,433.90 25,332.30
14 25,532.30 200.00 1,531.94 27,064.23
15 27,264.23 200.00 1,635.85 28,900.09
16 29,100.09 200.00 1,746.01 30,846.09
17 31,046.09 200.00 1,862.77 32,908.86
18 33,108.86 200.00 1,986.53 35,095.39
19 35,295.39 200.00 2,117.72 37,413.11
20 37,613.11 200.00 2,256.79 39,869.90

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What Is This Tool?

This financial calculator helps you estimate the future value of an investment by applying exponential compounding formulas. It supports both single lump-sum investments and recurring contributions, allowing you to forecast how your money could grow over a specified period at a given interest rate.

How to Use This Tool?

  • Enter the initial investment amount (PV).
  • Input the annual interest rate and adjust for compounding periods to find r.
  • Specify the total number of periods (t) by multiplying years by compounding frequency.
  • Optionally, enter the recurring contribution per period (C) if applicable.
  • Click the calculate button to see the future value (FV) of your investment.
  • Review the results to understand your projected investment growth over time.

Key Features

  • Calculates future value of single lump-sum investments using FV = PV(1+r)^t
  • Includes option for recurring contributions with formula FV = PV(1+r)^t + C × ((1+r)^t - 1) / r
  • Allows input of initial investment, interest rate, contribution amount, and time period
  • Supports compound interest with customizable compounding frequency
  • Provides fast, accurate investment growth projections using standard floating-point precision

Examples

  • For a $3,000 initial investment at an annual 7% interest rate compounded yearly over 8 years with no additional contributions, the future value is calculated as FV = 3000(1.07)^8 ≈ $5,154.56.
  • Adding recurring contributions increases the total future value according to the formula including C, demonstrating growth from ongoing investments.
  • Changing the interest rate and compounding frequency allows you to model different investment scenarios for better planning.

Common Use Cases

  • Planning long-term investments and retirement savings to estimate potential growth.
  • Forecasting savings accumulation with periodic contributions.
  • Evaluating the impact of interest rates and compounding on investment outcomes.
  • Assessing how much your current and future deposits might be worth after a set number of years.

Tips & Best Practices

  • Ensure accurate input of the interest rate adjusted for compounding periods to improve precision.
  • Use consistent units for time and compounding frequency when calculating t.
  • Avoid assuming changing interest rates or irregular contributions, as the model assumes constancy.
  • Double-check inputs before calculation for reliable projections.
  • Consider multiple scenarios with different rates and contribution amounts to understand possible outcomes.

Limitations

  • Assumes a constant interest rate and uniform compounding periods throughout the investment term.
  • Does not account for market fluctuations, inflation, or changes in contribution schedules.
  • Results are approximate and based on exponential compounding using standard floating-point calculations.
  • Not suitable for modeling variable or non-regular investment plans.

Frequently Asked Questions

Can I use this calculator for investments with variable interest rates?
No, this calculator assumes a constant interest rate and does not accommodate changing rates over time.

Does the tool factor in inflation or taxes?
No, the calculator focuses solely on the investment's nominal future value without adjusting for inflation or tax impacts.

How do I calculate the interest rate per period?
Divide the annual interest rate by the number of compounding periods per year to find the interest rate per period (r).

Is it necessary to enter recurring contributions?
No, recurring contributions are optional. If none are made, the calculator uses the lump-sum formula.

Key Terminology

PV
Present Value, or the initial amount of money invested.
C
Recurring Contribution per compounding period, optional additional deposits.
r
Interest rate per period, typically annual rate divided by compounding frequency.
t
Number of compounding periods, calculated as years multiplied by compounding frequency.
FV
Future Value, the total value of the investment after compounding.

Quick Knowledge Check

Which variable represents the initial investment amount in the formula?