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Mortgage Calculator

100% Free

Estimate your monthly home-loan payment including principal, interest, property tax, and insurance — with total interest, loan-to-value, and a cost breakdown chart, instantly in your browser.

Home Loan
Cost Breakdown
Instant
100% Client-Side

1. Loan details

Informational only — not financial advice. Actual EMIs depend on your lender's rate, fees, and compounding method.

2. Monthly payment

Estimated monthly payment
₹38,213
₹34,713 principal & interest + ₹3,500 tax & insurance
Loan amount
₹40,00,000
Total interest
₹43,31,103
Total of payments
₹91,71,103
Loan-to-value
80.0%
  • Principal₹40,00,000
  • Interest₹43,31,103
  • Tax + insurance₹8,40,000

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<iframe
  src="https://tools.town/embed/mortgage-calculator/"
  width="100%"
  height="600"
  style="border:none; border-radius:12px;"
  loading="lazy"
  title="Mortgage Calculator">
</iframe>

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How to Use

  1. 1 Enter the home price and your down payment
  2. 2 Set the interest rate and loan term in years
  3. 3 Add annual property tax and home insurance (optional)
  4. 4 Read the estimated all-in monthly payment
  5. 5 Check total interest, total cost, and loan-to-value
  6. 6 See where the money goes in the breakdown chart

Features

  • All-in monthly payment: principal, interest, tax, and insurance
  • Standard EMI / PMT formula with 0% handled correctly
  • Total interest and total cost over the full term
  • Loan-to-value and down-payment percentage at a glance
  • Cost breakdown donut chart, no library, fully in-browser
  • Save scenarios, compare loans, and export schedules with Pro

Why it Matters

A home loan is most people's largest financial commitment, and the headline rate hides the real cost: over a 20-year term you often pay more in interest than the price of the home itself. Seeing the all-in monthly payment plus the total interest helps you set a realistic budget, judge how much a bigger down payment saves, and avoid being surprised by tax and insurance escrow.

★★★★★

Use Cases

Home Buyers

Work out an affordable monthly payment before you shop

Budget Planning

See how rate and term change what you pay each month

Down Payment Decisions

Compare how a larger deposit cuts interest and LTV

Refinancing

Estimate a new payment at a different rate

What this tool does

The Mortgage Calculator estimates the all-in monthly payment on a home loan — principal, interest, property tax, and insurance — and shows the total interest, total cost, and loan-to-value ratio, with a breakdown chart of where your money goes.

How it works

The principal-and-interest portion uses the standard EMI formula on the borrowed amount (home price minus your down payment). Property tax and insurance are spread across twelve months and added on, giving the figure your lender actually collects each month.

A note on accuracy

This is an informational estimate, not financial advice. Actual payments depend on your lender’s exact rate, fees, compounding method, and escrow rules. Use it to plan and compare, then confirm the precise figures with your lender.

Free vs Pro

The free calculator runs one scenario and stores nothing. A proposed Mortgage Pro would add saved and comparable scenarios, a full amortization schedule, PDF/CSV export, and extra-payment modelling — while the core calculator stays free forever.

Privacy

Everything runs locally in your browser. Nothing you enter is uploaded, logged, or stored.

Frequently Asked Questions

How is the monthly mortgage payment calculated?
The principal-and-interest portion uses the standard EMI formula: P × r × (1+r)^n ÷ ((1+r)^n − 1), where P is the loan amount (home price minus down payment), r is the monthly rate, and n is the number of months. The tool then adds one-twelfth of your annual property tax and insurance to give the all-in monthly figure lenders quote.
What's included in the monthly payment?
Principal and interest always; property tax and home insurance if you enter them. Many lenders collect tax and insurance monthly into an escrow account, so the all-in number is what actually leaves your bank account. HOA dues or maintenance, if any, are separate.
Does a bigger down payment really help?
Yes. A larger down payment lowers the borrowed principal, which reduces both the monthly payment and the total interest, and improves your loan-to-value ratio (which can unlock better rates). The calculator shows LTV so you can see the effect immediately.
What is loan-to-value (LTV)?
LTV is the loan amount divided by the home price, as a percentage. A 20% down payment gives an 80% LTV. Lower LTV is less risky for the lender and often qualifies you for a better interest rate or removes mortgage insurance requirements.
Can I save scenarios or get an amortization schedule?
The free tool runs one scenario and stores nothing. A proposed Mortgage Pro would add saved and comparable scenarios, a full month-by-month amortization schedule, PDF/CSV export, and extra-payment modelling. The core calculator stays free.
Is my data stored anywhere?
No. Every calculation runs locally in your browser. The numbers you enter are never uploaded, logged, or stored.
📖

Want to understand the math?

Browse all guides →
How a Mortgage Works
mortgage

How a Mortgage Works: Payments, Interest & LTV

Understand how a home-loan payment is built from principal, interest, tax, and insurance, why early payments are mostly interest, and how down payment and term change the cost.

24 Jun 2026

5 min read

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