Monthly interest calculator
Estimate monthly payouts and total interest for MIS-style fixed income—principal, annual rate, and duration in months.
Inputs
Principal, rate & duration
Quick add
Monthly interest
Key number₹0
Typical payout per month (illustrative).
Principal
₹16,00,000
Total interest
Over selected months
₹0
Maturity value
As modeled
₹0
Visual insights
Interactive charts — hover for details.
Cumulative interest
Over time
Principal vs interest
Share of maturity value
Interest by period
Month-wise breakdown
Smart insights
High-signal takeaways from your current numbers.
Interest vs total
About 0% of the modeled maturity value is interest—higher rates or longer duration increase total interest.
MIS-style income
Many monthly income schemes pay simple interest on principal; compare monthly payout to your expense needs.
Month-wise breakdown
| Month | Interest (₹) | Principal (₹) |
|---|
Related monthly interest calculator pages
Nearby principal amounts, tenures in months, or interest rates—one change at a time.
- Monthly interest — ₹17,00,000 (17 lakh) · 36 mo @ 8%
- Monthly interest — ₹18,00,000 (18 lakh) · 36 mo @ 8%
- Monthly interest — ₹15,00,000 (15 lakh) · 36 mo @ 8%
- Monthly interest — ₹14,00,000 (14 lakh) · 36 mo @ 8%
- Monthly interest — ₹21,00,000 (21 lakh) · 36 mo @ 8%
- Monthly interest — ₹11,00,000 (11 lakh) · 36 mo @ 8%
- Monthly interest — ₹16,00,000 (16 lakh) · 48 mo @ 8%
- Monthly interest — ₹16,00,000 (16 lakh) · 60 mo @ 8%
- Monthly interest — ₹16,00,000 (16 lakh) · 24 mo @ 8%
Guide · India · Income
Monthly interest: steady payouts from fixed income
Who benefits from monthly interest planning
Retirees, conservative investors, and anyone building a predictable cash flow often compare monthly payouts from deposits, bonds, or schemes. This calculator helps translate annual rate and duration into payout and total interest—before taxes and scheme-specific rules.
How to read the results
Enter principal, annual interest rate, and duration in months. You’ll see estimated monthly interest, total interest, maturity value (as modeled), charts, and a month-wise table. Treat numbers as planning aids, not promises.
India Post MIS vs generic estimate
Official MIS rules include deposit limits, maturity tenure, and transfer rules. Always cross-check with India Post or your bank for the latest rate card and eligibility before investing.
Key insights
- Net yield: compare post-tax monthly income across FD, debt funds, and MIS-style options.
- Liquidity: early withdrawal may carry penalties—factor that into emergency planning.
Frequently asked questions
- What is monthly interest on a lump-sum investment?
- It is the interest earned each month on a principal amount, often calculated from an annual rate. Many “monthly income” style products pay interest out monthly rather than compounding it into the principal—terms vary by scheme.
- How is monthly interest estimated?
- A common approximation is monthly interest = (P × annual rate) / 12 / 100, where P is principal. Actual schemes may use exact calendar days, TDS rules, and rounding—your passbook or statement is authoritative.
- Is Post Office MIS the same as this calculator?
- India Post offers the Monthly Income Scheme with specific limits, rates, and rules. This calculator is generic—use it for rough planning, then confirm with the latest India Post circular or your bank’s product page.
- Is monthly interest taxable?
- Interest income is generally taxable as per your slab unless a specific exemption applies. TDS may apply above thresholds. Consult a CA or official guidance for your assessment year.
- What happens at maturity for MIS-style products?
- Many schemes return principal at maturity while paying interest periodically. Reinvestment options and penalties for early exit differ—read the product terms.
- Does this tool include TDS?
- No. Figures shown are illustrative before tax. Net in-hand income may be lower after TDS and other deductions.
- Can I use this for loan EMI?
- No—EMI uses amortization (principal + interest split changing every month). Use the EMI calculators under the Loans section for borrowing scenarios.
Related calculators
More tools on EasyCal for loans, savings, and planning.
Conclusion
Monthly interest products can anchor income planning. Use this calculator for direction, then validate rates, limits, and tax with official sources.