FD Calculator
FD Calculator: free, instant and private. Quarterly compounding pays noticeably more than yearly on the same rate.
How the FD Calculator works
The FD Calculator takes Deposit amount, Interest rate (% p.a.), Duration (years), Compounding and returns the answer instantly — no button to hunt for, no page reload. Quarterly compounding pays noticeably more than yearly on the same rate. Banks quote the annual rate, but the effective yield is always a little higher once compounding is counted.
Enter your own numbers to replace the example values; the result panel updates as you type. Everything runs in this single page, so nothing you enter leaves your device.
Formula used
Maturity = P × (1 + r/n)^(n×t)
| Symbol | Meaning |
|---|---|
| P | deposit amount |
| r | annual interest rate |
| n | compounding frequency per year |
| t | tenure in years |
Quarterly compounding pays noticeably more than yearly on the same rate. Banks quote the annual rate, but the effective yield is always a little higher once compounding is counted.
Inputs used: Deposit amount, Interest rate (% p.a.), Duration (years), Compounding.
Worked example
Take the default example — deposit amount of 200000, interest rate (% p.a.) of 7.1, duration (years) of 5, compounding set to Quarterly:
- Maturity value: 284,349.33
- Interest earned: 84,349.33
Frequently asked questions
- What formula does the FD Calculator use?
- It uses Maturity = P × (1 + r/n)^(n×t), where P is the deposit amount; r is the annual interest rate; n is the compounding frequency per year; t is the tenure in years.
- Is the FD Calculator free?
- Yes. There is no signup, no usage limit and no watermark — the calculator runs entirely in your browser.
- How do I read the result?
- Quarterly compounding pays noticeably more than yearly on the same rate. Banks quote the annual rate, but the effective yield is always a little higher once compounding is counted.
- Does the FD Calculator store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.