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What this calculator does
Estimate investment growth, contributions, and return over a chosen period.
How to use this calculator
- Enter starting amount, return rate, period, and contributions.
- Review the calculation assumptions before using the result.
- Compare money invested with projected gain.
How to calculate
Enter the values requested by the investment return calculator.
Worked example
With the example values shown above, the end balance is $201,086.68, and the starting amount is $20,000.00, and the total contributions is $120,000.00.
Understanding your result
Compare money invested with projected gain.
- Market returns and taxes are uncertain.
- Double-check values and units before calculating.
This calculator is educational and is not financial or medical advice.
Frequently asked questions
What does this investment return calculator do?
Estimate investment growth, contributions, and return over a chosen period.
How do I use this investment return calculator?
Enter starting amount, return rate, period, and contributions.
What does the result mean?
Compare money invested with projected gain.
What should I check before relying on it?
Market returns and taxes are uncertain.
Does the contribution timing matter?
Yes — a contribution made at the beginning of a period earns a full period of growth, while the same contribution at the end doesn't grow until the next period, so beginning-of-period contributions produce a slightly larger balance over time.
What does the 'target difference' figure tell me?
It shows how far the projected end balance is from your stated target — a positive number means you're projected to exceed the goal, and a negative number means the current plan falls short.