What is Mortgage Calculator?
Free online mortgage calculator. Calculate monthly payment and total interest from loan amount, rate, and term. Quick estimates for home buying decisions and loan comparison.
▶Use Cases4 scenarios
- ◆Home buying decisions
- ◆Loan comparison
- ◆Budget planning
- ◆Affordability assessment
▶How to Use4 steps
- 1Enter loan amount
- 2Set interest rate and term
- 3Click Calculate
- 4View payment and interest
▶Features4 features
- ✓Monthly payment
- ✓Total interest
- ✓Quick estimate
- ✓Free
▶FAQ7 questions
What is Mortgage Calculator?
An online mortgage calculator. Quick monthly payment and total interest. Supports multiple input formats with one-click copy or download. All operations run locally in your browser — no uploads.
How accurate is this?
Uses standard amortization formula, accurate to the cent.
Does it support equal principal?
Currently equal-payment only; equal-principal version is in development.
How accurate is Mortgage Calculator?
Accurate. Uses standard algorithms. Precisely calculates monthly payments, total interest, and amortization schedule. Supports fixed payment and fixed principal.
Will my input data be saved?
No. All calculations happen locally in your browser. Input is never uploaded or stored.
Can I use this on my phone?
Yes. Responsive design works smoothly on phones, tablets, and desktops.
Do I need to sign up or pay?
No. Completely free, no signup, no usage limits.