Mortgage Calculator

Estimate a home mortgage payment with principal, interest, property tax, insurance, and association costs.

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Enter an exact value or use a slider. Your result updates instantly.

Formula, example and assumptions
Per month, you have to pay₹61,790.69

Home and down payment

Indian rupees
Indian rupees

Loan terms

Interest calculation

Reducing balance charges interest on the outstanding principal; flat rate uses the original principal for the full tenure.

%

Ongoing ownership costs

Indian rupees
Indian rupees
Indian rupees

Your result

Local calculation
Per month, you have to pay₹61,790.69

The monthly housing outflow combines the loan payment with the entered tax, insurance and association costs. Annual charges are spread across 12 months; the down payment reduces the amount borrowed.

Interest calculation
Reducing balance
Annual interest rate (%)
8.5 %
Mortgage term
20 years
See how this is calculated

Result breakdown

Monthly loan payment
₹55,540.69
Loan principal
₹64,00,000.00 About ₹64 lakh
Monthly tax, insurance and fees
₹6,250.00

Reducing balance: interest is calculated on the outstanding principal.

Check the inputs and method

These are your current inputs, not the worked example further down the page.

Property price
₹80,00,000
Down payment
₹16,00,000
Interest calculation
Reducing balance
Annual interest rate (%)
8.5 %
Mortgage term
20 years
Annual property tax
₹30,000
Annual insurance
₹15,000
Monthly association fee
₹2,500

Method

P = property price − down payment. For principal P, nominal annual percentage A, f payments per year and n payments, r = A ÷ (100f). Reducing-balance payment E = P × r ÷ [1 − (1 + r)^(−n)], or P ÷ n at 0%. Flat payment E = P × [1 + (A ÷ 100) × (n ÷ f)] ÷ n. Total repayment = nE + separately paid fee F; interest and fees = nE + F − P. Monthly loans use f = 12 and n = 12 × years, or the entered number of months. F is zero where no fee is entered. Total monthly housing payment = E + annual property tax ÷ 12 + annual insurance ÷ 12 + monthly association fee.

Read the worked example and assumptions

How this calculation works

Read a mortgage payment as separate principal-and-interest and ownership-cost components. The financing engine is identical to Home Loan; this page uses mortgage terminology to explain why a quoted loan payment can be lower than the household’s housing outflow. Property tax, insurance and association charges are averaged monthly here, regardless of whether a lender collects them with instalments or you pay them directly.

P = property price − down payment. For principal P, nominal annual percentage A, f payments per year and n payments, r = A ÷ (100f). Reducing-balance payment E = P × r ÷ [1 − (1 + r)^(−n)], or P ÷ n at 0%. Flat payment E = P × [1 + (A ÷ 100) × (n ÷ f)] ÷ n. Total repayment = nE + separately paid fee F; interest and fees = nE + F − P. Monthly loans use f = 12 and n = 12 × years, or the entered number of months. F is zero where no fee is entered. Total monthly housing payment = E + annual property tax ÷ 12 + annual insurance ÷ 12 + monthly association fee.

Worked example

This example uses illustrative inputs. Your current result is shown above.

For a ₹10,00,000 property with ₹2,00,000 down payment, 6% annual reducing-balance interest and a ten-year term, principal-and-interest is ₹8,881.64 monthly. Add ₹12,000 annual property tax, ₹6,000 annual insurance and ₹500 monthly association fees: the combined monthly budget is ₹10,881.64.

Assumptions and limits

  • The nominal rate stays fixed and repayments are monthly. Annual property costs are averaged without modelling escrow balances or billing dates.
  • No mortgage insurance rule, jurisdiction-specific tax deduction, variable-rate reset or closing-cost schedule is inferred. Use the actual costs relevant to your property.

Questions people ask

Is principal and interest the complete housing payment?

Not necessarily. This tool separates property tax, insurance and association charges so that these costs are not mistaken for loan interest.

Is this a different formula from Home Loan?

No. Both pages use exactly the same repayment and ownership-cost calculation. Home Loan presents it as a property-purchase budget; Mortgage explains the payment components.

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