Investment Calculator
FV = P(1+r)^n + C × ((1+r)^n − 1) ÷ rInitial grows to $31,722, contributions add $174,051 → total ≈ $205,773
Free online tool
Investment Calculator
Plan your investment growth by entering your starting amount, expected return and time horizon.
Instant calculation
Calculate Investment Growth
Enter your investment details to project future value.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter initial amount
Type your starting investment amount.
- 02
Add monthly contributions
Enter how much you plan to invest each month.
- 03
Set return and years
Enter the expected annual return rate and investment period.
- 04
View projection
Calculate to see total future value, contributions and growth.
The formula
How this calculation works
The future value equals the initial amount compounded plus the future value of regular contributions. r is the periodic rate and n is the total number of periods.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
What will $10,000 plus $500/month at 8% become in 15 years?
Initial grows to $31,722, contributions add $174,051 → total ≈ $205,773≈ $205,773Common questions
Questions about this calculation
What is the Investment Calculator?
The Investment Calculator helps you project the future value of an investment with regular contributions. Enter your values and select Calculate to get an instant result.
How is the result calculated?
The future value equals the initial amount compounded plus the future value of regular contributions. r is the periodic rate and n is the total number of periods.
Can you show an example?
Example: What will $10,000 plus $500/month at 8% become in 15 years? — ≈ $205,773.
Is my data saved when I use the Investment Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Investment Calculator free to use?
Yes. The Investment Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
Continue calculating