FD Maturity Calculator
Calculate fixed deposit maturity value, total interest earned, and year-wise compounding growth for bank FD planning.
Last updated: May 6, 2026
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Compounding frequency
Maturity value
₹1,41,478
Your deposit grows to ₹1,41,478 after earning ₹41,478 in interest.
₹41,478
₹1,05,720
Real gain after inflation: ₹5,720
Maturity breakdown
FD maturity curve
See how compounding increases your maturity value year by year.
Compounding adds interest back into the FD balance, so later years earn interest on both your original deposit and earlier interest.
| Year | Deposit Amount | Interest Earned | Maturity Value |
|---|---|---|---|
| Year 1 | ₹1,00,000 | ₹7,186 | ₹1,07,186 |
| Year 2 | ₹1,00,000 | ₹14,888 | ₹1,14,888 |
| Year 3 | ₹1,00,000 | ₹23,144 | ₹1,23,144 |
| Year 4 | ₹1,00,000 | ₹31,993 | ₹1,31,993 |
| Year 5 | ₹1,00,000 | ₹41,478 | ₹1,41,478 |
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FD Gyan
Basics
FD Gyan
What an FD calculator helps you understand
An FD (Fixed Deposit) calculator estimates how much your deposit can grow by maturity based on the investment amount, interest rate, tenure, and compounding frequency.
It helps you compare different bank FD rates, understand the impact of monthly or quarterly compounding, and estimate the total interest earned before investing.
Fixed deposits are considered relatively stable and predictable because the interest rate is usually known in advance. However, actual financial outcomes should also consider inflation, taxes, liquidity needs, and premature withdrawal conditions.
Gyan Insight
A higher FD rate does not always mean stronger real growth. Inflation and taxation can significantly reduce actual purchasing-power returns over long periods.
Formula
FD maturity formula & calculation
Fixed deposit maturity value is calculated using compound interest. The interest earned gets added back to the deposit amount at regular intervals, allowing future interest to earn on previous interest as well.
A = P × (1 + r / n)n × t
A = Maturity value
P = Deposit amount
r = Annual interest rate
n = Compounding frequency per year
t = FD tenure in years
Step 1: Enter the deposit amount
This is the amount invested in the fixed deposit.
Example: Deposit amount = ₹1,00,000
Step 2: Use the FD interest rate
The annual FD interest rate is converted into decimal form for the calculation.
Example: 7% annual interest = 0.07
Step 3: Select compounding frequency
Interest may compound yearly, half-yearly, quarterly, or monthly. More frequent compounding usually increases the maturity value slightly.
Example: Quarterly compounding = 4 times per year
Step 4: Enter the FD tenure
The investment duration determines how long compounding can work on the deposit amount.
Example: FD tenure = 5 years
Step 5: Apply the formula
The deposit amount, interest rate, compounding frequency, and tenure are combined to calculate the final maturity value.
A = 1,00,000 × (1 + 0.07 / 4)4 × 5
Step 6: Get the maturity amount
After compound growth is applied, the FD matures into the final value, including both principal and interest earned.
Maturity value ≈ ₹1,41,000
Gyan Nugget
Monthly or quarterly compounding usually earns slightly more than yearly compounding because interest gets added back to the deposit more often.
Example
FD calculation example
Let’s understand FD maturity calculation with a practical example. Suppose you invest ₹1,00,000 in a fixed deposit at 7% annual interest for 5 years with quarterly compounding.
Step 1: Identify the deposit amount
This is the principal amount invested in the FD.
Deposit amount (P) = ₹1,00,000
Step 2: Convert the interest rate into decimal
The annual FD interest rate is converted into decimal form for the calculation.
Interest rate (r) = 7% = 0.07
Step 3: Identify compounding frequency
Quarterly compounding means interest is added back to the FD balance four times every year.
Compounding frequency (n) = 4
Step 4: Use the FD tenure
The deposit remains invested for 5 years, allowing compound interest to work throughout the period.
FD tenure (t) = 5 years
Step 5: Apply the FD formula
Now apply the compound interest formula using the deposit amount, interest rate, compounding frequency, and tenure.
A = 1,00,000 × (1 + 0.07 / 4)4 × 5
Step 6: Calculate the maturity value
After compound growth is applied over 5 years, the FD matures into the final value shown below.
Maturity value ≈ ₹1,41,478
This means the FD earns approximately ₹41,478 as interest before tax deductions.
Gyan Nugget
The longer an FD stays invested, the more compounding starts contributing to total returns because interest begins earning interest over time.
Gyan Alert
The maturity amount shown by an FD calculator is the nominal value before tax and inflation. Real purchasing-power growth may be much lower if inflation remains high during the investment period.
Tips
Smart FD planning tips
Fixed deposits are simple investment products, but choosing the right tenure, compounding option, and tax strategy can make a meaningful difference to your final returns.
Gyan Insight
Compare effective yield, not just FD rate
Two FDs with the same interest rate may produce different maturity values depending on compounding frequency and payout structure.
Gyan Nugget
Longer tenure improves compounding
Extending FD tenure often increases total interest more effectively than chasing a slightly higher interest rate for shorter periods.
Gyan Alert
Taxes can reduce real returns
FD interest is taxable according to your income slab, and inflation can further reduce actual purchasing-power growth over long periods.
Additional things to check before investing
- Check premature withdrawal penalties before selecting long FD tenures.
- Compare senior citizen FD rates separately if applicable.
- Consider liquidity needs before locking money into long-duration deposits.
- Review whether monthly payout or cumulative FD structure better matches your financial goals.
Common mistakes
Common FD mistakes
Fixed deposits are considered relatively safe investments, but poor tenure planning, ignoring inflation, or focusing only on headline interest rates can reduce actual returns significantly.
Ignoring post-tax returns
FD interest is taxable according to your income slab. A high advertised FD rate may become much less attractive after tax deductions.
Locking all savings into one FD
Investing all money into one long-term FD can reduce liquidity and make emergency access difficult. FD laddering across multiple tenures may provide better flexibility.
Ignoring inflation impact
An FD may grow in rupee terms while delivering very little real purchasing-power growth if inflation remains high during the investment period.
Choosing tenure only for higher rates
Longer tenure FDs may offer slightly higher interest rates, but they also reduce liquidity and may become less attractive if interest rates rise later.
Gyan Nugget
Splitting FD investments across different maturity periods can improve flexibility while still benefiting from stable returns.
Gyan Alert
A safe investment does not automatically mean strong real growth. Always compare FD returns with inflation and post-tax returns before investing.
Comparison
FD vs RD vs savings account
Fixed deposits, recurring deposits, and savings accounts serve different financial purposes. The right choice depends on whether you already have a lump sum, want to save gradually, or need easy access to money.
| Option | How money is added | Best for | Key watchout |
|---|---|---|---|
| FD | One-time lump sum deposit | Earning predictable returns on surplus money over a fixed tenure | Premature withdrawal penalties, taxation, and inflation impact |
| RD | Monthly recurring deposits | Building disciplined savings gradually from regular income | Requires consistent monthly contributions over the tenure |
| Savings Account | Flexible deposits and withdrawals | Emergency liquidity, salary credits, and daily banking usage | Usually offers lower interest compared to FD and RD |
Gyan Nugget
FD works well when you already have a lump sum available, while RD is usually better for building savings gradually from monthly income.
Gyan Alert
Keeping all long-term savings only in a regular savings account may reduce wealth growth because savings account interest rates are usually much lower than FD returns.
FD FAQ
Try another scenario
Adjust the assumptions to see how the result changes.