Calculate overdraft interest with flexible payment and withdrawal entries, and review the month-by-month impact on your outstanding balance.
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Add your payment schedule using the form above| S.No | Year | Month | Opening Balance | Payments | Withdrawals | Interest | Monthly Payment | Closing Balance | |
|---|---|---|---|---|---|---|---|---|---|
| 9 | 2027 | Jan | 100,000 | 0 | 0 | 1,233 | 1,233 | 100,000 | |
| 10 | 2027 | Feb | 100,000 | 0 | 0 | 1,233 | 1,233 | 100,000 | |
| 11 | 2027 | Mar | 100,000 | 0 | 0 | 1,233 | 1,233 | 100,000 | |
| 12 | 2027 | Apr | 100,000 | 0 | 0 | 1,233 | 1,233 | 100,000 | |
| 2027 | Total | 0 | 0 | 4,932 | 4,932 | 100,000 |
Estimate overdraft interest more accurately by testing the limit, rate, withdrawals, and repayments that affect the running borrowing cost.
An overdraft interest calculator estimates the borrowing cost on a flexible credit limit where interest is charged only on the amount used. Unlike a term loan, an overdraft does not require a fixed lump-sum disbursal and a fixed EMI from day one.
This makes overdraft content especially useful for businesses, self-employed professionals, and users comparing short-term working capital options in India.
Most overdraft products charge interest on the utilised balance for the number of days that balance remains outstanding. If you withdraw more, interest can increase. If you deposit or repay earlier, interest can reduce immediately because the outstanding balance falls.
This is why overdraft calculations need date-wise usage and payment timing rather than a fixed EMI approach. Tracking actual usage gives a more realistic estimate of the final cost.
| Formula part | Meaning | Why it matters |
|---|---|---|
| Outstanding amount | The amount actually used from the overdraft limit. | Interest is charged on this amount, not on the full sanctioned limit. |
| Annual interest rate | Quoted overdraft rate per annum. | Higher rates increase the cost of keeping the balance outstanding. |
| Number of days used | The days for which the outstanding balance remains unpaid. | OD interest is often sensitive to timing, so daily usage matters. |
A simple daily estimate is Outstanding x Annual rate x Days / 365.
Suppose a business uses Rs. 5,00,000 from an overdraft facility at 13.5% per annum for 20 days. The approximate interest for that period is about Rs. 3,699. If the borrower repays part of the balance earlier, the next interest cycle is calculated on a lower outstanding amount.
This is exactly why daily balance and repayment timing matter more in an OD than in a fixed EMI loan.
| Product | Best suited for | Trade-off |
|---|---|---|
| Overdraft facility | Short-term or fluctuating borrowing needs. | Flexible, but discipline is needed because the limit is reusable and interest can accumulate quietly. |
| Business term loan | Defined borrowing need with predictable monthly cash flow. | Less flexible than OD, but easier to plan with a fixed EMI schedule. |
| Personal loan | Individuals needing unsecured funds for a defined purpose. | Simple structure, but not ideal for revolving working capital use. |
Overdraft interest is typically calculated on a daily basis on the outstanding balance. The formula is: Daily Interest = (Outstanding Balance × Annual Interest Rate) / 365. Interest is charged only on the amount utilized, not the entire overdraft limit.
An overdraft is a flexible credit facility where you pay interest only on the amount used, while a loan requires fixed EMI payments on the entire borrowed amount. Overdrafts are typically used for short-term working capital needs.
Yes, overdrafts allow flexible repayments. You can make partial payments, full payments, or even withdraw additional amounts (up to your limit) at any time without penalties.
To reduce overdraft interest: 1) Pay down the outstanding balance as quickly as possible, 2) Make regular payments to keep the average balance low, 3) Avoid unnecessary withdrawals, 4) Negotiate a lower interest rate with your bank.
Overdraft interest rates in India typically range from 10% to 18% per annum, depending on your credit profile and the bank. Secured overdrafts (against fixed deposits or property) usually have lower rates than unsecured ones.
No, overdrafts don't require fixed EMI payments like loans. You only need to service the interest periodically (monthly or quarterly), though you can make principal payments at any time to reduce your outstanding balance.
Repayment timing matters because overdraft interest is often calculated on the daily outstanding balance. A repayment made earlier can reduce the balance on which future interest is charged.
It can be cheaper for short, flexible usage because you pay interest only on the amount used. For a defined long-term borrowing need, a business term loan may still be more predictable and cost-effective.
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