What is the Fixed Deposit Calculator?
The fixed deposit calculator is a free online tool that helps you work out fixed deposit quickly and accurately. It uses the standard formula A = P x (1 + r/n)^(n x t) and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter the deposit amount.
- Enter the FD interest rate.
- Enter the tenure.
- Choose the compounding frequency (banks usually compound quarterly).
- See maturity value.
Formula used
A = P x (1 + r/n)^(n x t)Explanation of each input
- Deposit amount โ the deposit amount used in the calculation.
- Annual interest rate (%) โ the annual interest rate used in the calculation.
- Tenure (years) โ the tenure used in the calculation.
- Compounding โ the compounding used in the calculation.
Understanding your result
- Interest earned โ the calculated interest earned.
- Maturity amount โ the calculated maturity amount.
Step-by-step calculation
For the example values 100000, 7%, 5y, quarterly:
- Apply the formula:
A = P x (1 + r/n)^(n x t) - Substitute the values: A = 100000 x (1 + 0.07/4)^(4x5)
- Result: Maturity about 141478
Worked example
| Inputs | 100000, 7%, 5y, quarterly |
|---|---|
| Working | A = 100000 x (1 + 0.07/4)^(4x5) |
| Result | Maturity about 141478 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need fixed deposit. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Rate fixed for the tenure.
- Interest reinvested (cumulative FD).
- TDS and taxes are not deducted in this estimate.
Frequently asked questions
How is FD interest compounded?
Most Indian banks compound fixed-deposit interest quarterly.
Is FD interest taxable?
Yes. Interest is added to your income and taxed at your slab rate; TDS may apply above thresholds.