Mortgage Calculator
Calculate monthly mortgage payment, total interest, and optional total housing cost including tax and insurance.
About this calculator
The Mortgage Calculator on NumberCals is a free, mobile-friendly tool for anyone needing to calculate monthly mortgage payment, total interest, and optional total housing cost including tax and insurance. Enter your values in the form below and the result is computed instantly — no sign-up, no installation, no waiting.
Formula used
M = P · r(1+r)^n / [(1+r)^n − 1]
What you'll need
- Home Price (e.g. 750000)
- Down Payment (e.g. 150000)
- Annual Interest Rate (%) (e.g. 6.25)
- Loan Term (years) (e.g. 30)
- Annual Property Tax (optional) (e.g. 0)
- Annual Home Insurance (optional) (e.g. 0)
What you'll get
- Loan Amount
- Monthly Payment (P&I)
- Total Monthly Housing Cost
- Total Interest Over Term
- Total Paid Over Term
Formula
M = P · r(1+r)^n / [(1+r)^n − 1]
Result
Frequently Asked Questions
What is PITI? +
Principal, Interest, Tax, and Insurance — the four main components of a total monthly housing payment.
Does a larger down payment reduce my monthly payment? +
Yes — a larger down payment reduces the loan principal, lowering both monthly payment and total interest.
Related Calculators
Simple Interest Calculator
Calculate simple interest earned on a principal amount over time.
Compound Interest Calculator
Calculate compound interest on an investment with configurable compounding frequency.
Loan EMI Calculator
Calculate the Equated Monthly Installment (EMI) for any loan.
ROI Calculator
Calculate Return on Investment as a percentage of cost.
CAGR Calculator
Calculate the compound annual growth rate of an investment over multiple years.