Savings • Regular contribution projection
Savings Growth Calculator
Project how a starting balance and fixed monthly contributions could grow under one constant annual-return assumption. Compare several scenarios rather than relying on one result.
Enter savings assumptions
This is an assumption. Returns are not guaranteed.
How to use the calculator
- Enter savings already set aside.
- Add a sustainable monthly contribution.
- Choose a cautious annual return assumption.
- Enter the saving duration.
- Compare lower and higher return scenarios.
Formula and timing
Future balance = current × (1 + r)n + monthly × [((1 + r)n − 1) ÷ r] × (1 + r)
r is annual return divided by 12 and 100, and n is rounded months. Contributions occur at the beginning of each month. At 0%, growth is zero.
Worked Indian example
Neha has ₹50,000, adds ₹5,000 monthly, uses an illustrative 8% return and saves for five years.
| Total contributed | ₹3,50,000 |
|---|---|
| Estimated growth | ₹94,326 |
| Estimated value | ₹4,44,326 |
A lower return, missed contributions, tax or fees would reduce the outcome.
Common mistakes
- Using a promotional or historical return as a promise.
- Mixing emergency cash with long-term savings.
- Ignoring inflation and tax.
- Choosing a monthly amount that cannot be sustained.
Practical tips
- Automate saving after income arrives.
- Increase contributions after pay rises.
- Keep short- and long-term goals separate.
- Review product risk and access.
- Compare progress with contributions, not markets alone.
Related calculators and guides
Frequently asked questions
What does this project?
A starting balance plus regular monthly contributions.
Is return guaranteed?
No.
When are contributions assumed?
At the beginning of each month.
Can return be zero?
Yes.
Can current savings be zero?
Yes, if monthly saving is positive.
Are tax and fees included?
No.
Is inflation included?
No.
Is this advice?
No.
Educational disclaimer
This calculator provides an educational projection, not personalized investment advice or a guaranteed return. Verify product risks, access, fees, tax and suitability independently.