Amount Kept in Savings
₹ 25,000
Amount Swept into FD
₹ 2,75,000
Total Interest Earned
₹ 20,000
Total Combined Maturity Value
₹ 3,20,000
About the FD Sweep-In Interest Calculator
Our free FD Sweep-In Interest Calculator helps you evaluate earnings from a sweep-in facility linked to your savings account. A sweep-in fixed deposit automatically transfers idle funds exceeding a predetermined threshold into a higher-yielding fixed deposit while maintaining immediate liquidity for your day-to-day banking needs.
1. FD Sweep-In Mathematical Formulas
Sweep-in bank account returns are computed by bifurcating available funds into a low-yield savings portion and a high-yield quarterly compounding fixed deposit portion:
Savings Portion = Min(Total Available Funds, Savings Threshold Limit)
Sweep-In FD Portion = Max(0, Total Available Funds − Savings Threshold Limit)
Savings Interest Earned = Savings Portion × (Savings Rate Percentage / 100) × Holding Tenure in Years
Sweep-In FD Maturity = Sweep-In FD Portion × (1 + (FD Rate Percentage / 100) / 4)4 × Holding Tenure in Years
Total Combined Maturity Value = Total Available Funds + Savings Interest Earned + (Sweep-In FD Maturity − Sweep-In FD Portion)
Where the defined variables are:
- Total Available Funds: Combined lump-sum cash held across linked savings and sweep accounts.
- Savings Threshold Limit: Minimum balance retained in the low-yield savings account for liquidity.
- Holding Tenure: Investment duration expressed in years (or months divided by 12).
2. Practical Worked Example
Let us review a standard FD sweep-in calculation scenario:
- Total Available Funds: ₹3,00,000 (₹3 Lakhs)
- Savings Threshold Limit: ₹25,000
- Savings Account Interest Rate: 3.0% per annum
- Sweep-In FD Interest Rate: 7.0% per annum (compounded quarterly)
- Holding Tenure: 1 year
Calculation Breakdown:
- Savings Portion = Min(₹3,00,000, ₹25,000) = ₹25,000
- Sweep-In FD Portion = Max(0, ₹3,00,000 − ₹25,000) = ₹2,75,000
- Savings Interest Earned = ₹25,000 × (3.0 / 100) × 1 = ₹750
- Sweep-In FD Maturity = ₹2,75,000 × (1 + 0.07 / 4)4 $\approx$ ₹2,94,775 (FD Interest $\approx$ ₹19,775)
- Total Combined Maturity Value = ₹3,00,000 + ₹750 + ₹19,775 = ₹3,20,525
Leveraging a sweep-in facility maximizes your idle cash returns while ensuring seamless liquidity access!
3. Frequently Asked Questions (FAQs)
1. Are there any penalties for reverse sweeping an FD?
Most major banks in India do not charge premature withdrawal penalties on sweep-in FDs for the portion broken to cover a shortfall, though the broken portion may earn a slightly lower applicable rate for the exact days it remained active.
2. Is a sweep-in facility better than a regular savings account?
Yes. Regular savings accounts offer minimal interest (typically 2.5% to 3.5% p.a.), whereas sweep-in accounts allow your idle funds to earn fixed deposit rates (6% to 7.5% p.a.) without locking up your liquidity.
3. How is interest taxed on sweep-in fixed deposits?
Interest earned on sweep-in fixed deposits is added to your total annual income and taxed according to your individual income tax slab rate.
4. What happens if my account balance drops below the threshold limit?
When an expense or withdrawal pushes your savings balance below the threshold limit, the bank automatically initiates a reverse sweep, breaking just enough of the FD units to honor the transaction.
5. Do sweep-in FDs create multiple smaller deposits or one large deposit?
Most banks create multiple smaller FD units (e.g., in blocks of ₹10,000) so that when a reverse sweep occurs, only the minimum required units are liquidated, protecting the rest of your earnings.
6. Is TDS applicable on sweep-in FD interest earnings?
Yes, banks deduct Tax Deducted at Source (TDS) if total aggregate interest earned across all fixed deposits exceeds the statutory limit (₹40,000 for regular individuals, ₹50,000 for senior citizens) in a financial year.
7. Can any savings account holder activate a sweep-in facility?
Most leading public and private sector banks in India offer sweep-in savings accounts upon request, either at the time of account opening or by submitting a linking mandate subsequently.
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