We built what we believe is the best free mortgage calculator available. If you just want to use it, go here — no sign-up, no ads, works instantly. If you want to know why we think it’s the best, keep reading.
We Understand What You’re Looking For
There’s something about buying a home that hits differently. It’s one of the biggest financial decisions most people will ever make — and before any of it becomes real, there’s that moment where you just want to see the numbers. What would the monthly payment actually be? What does this look like over 30 years? What happens if rates shift? What if I put more down?
You’re not ready to talk to a bank. You’re not looking for a lender. You just want to sit with the math for a minute and understand what you’re getting into. We get that completely — and that’s exactly why we built this tool.
We’re Not Competing with the Giants
NerdWallet, Bankrate, Zillow — these are serious platforms with deep expertise. They work with financial institutions, they connect you with lenders, and they have teams whose entire job is helping you navigate the home buying process. If you’re ready to take the next step, those are the right places to go.
We are not that. We’re not a mortgage company. We don’t have a lending network. We’re not collecting your information. Nobody is going to call you.
Maybe you just bought a house and you’re curious what the numbers look like. Maybe you’re thinking about buying eventually and want to get a sense of what you’d be signing up for. Maybe you saw a rate and wondered what it would mean for your monthly payment. That’s enough of a reason. You’re allowed to just be curious.
What we have is a beautifully designed, free tool for exactly that moment — when you want to run your numbers privately, without any commitment, without anyone trying to sell you something.
What the Calculator Covers
Enter your home price, down payment, interest rate, and loan term — your monthly payment appears instantly. But we didn’t stop at principal and interest, because that number alone isn’t your real payment.
Principal & Interest
The base payment — home price, down payment, rate, and term.
Property Tax & Insurance
Annual amounts broken down into your monthly total automatically.
PMI & HOA
Optional fields that complete the picture when they apply to you.
Extra Payment & Amortization
See what paying extra saves you, and a full month-by-month schedule.
Home price, down payment, rate, and term are all you need to get a number. Property tax, insurance, PMI, and HOA are optional — but if you have them, adding them gives you the real all-in monthly cost. Leave them blank and the calculator flags it, so you always know whether you’re looking at the full picture or just a starting point.
Everything on one screen. No tabs, no clicking around, no sign-up.
How It Compares
Clean, professional, and well-designed. NerdWallet is a trusted name in personal finance, and that reputation shows in the experience. Lives inside their full financial hub — lender recommendations, related tools, and financial guidance surrounding it. Great if you’re ready to explore loan options.
Deep editorial content — guides, lender reviews, rate comparisons. A great research destination if you want context alongside the math. Built around connecting you with financial products when you’re ready.
The cleanest of the three — focused layout, minimal clutter. Sits under Zillow Home Loans branding, so there’s always a soft nudge toward their lending products underneath the math.
No lender network, no lead form, no one trying to sell you a loan. A beautifully designed tool for running your numbers privately — full payment breakdown, extra payment comparison, full amortization schedule. Just the math.
Is It Actually the Best?
For what it does — yes, we genuinely believe so.
One honest note: for the most accurate monthly number, you’ll want to know your property tax, homeowner’s insurance, PMI if applicable, and any HOA fees. Without those, you’re working from a starting point, not a complete picture. That’s the reality of what goes into a mortgage payment — no calculator changes that.
What makes this a 10 out of 10 for what it is:
When you’re ready to take the next step, NerdWallet, Bankrate, and others are exactly the resources you need — they’ll connect you with the right people and guide you through the process. But when you just want to understand the numbers privately, with no pressure and no commitment, this is the tool for that. Try it here.
Why We Build These for Free
We hope this helps you in some way. As we grow, we want to keep giving back — there are countless people who build things and put them out into the world for free, and we benefit from that more than most. This is our way of doing the same. No subscriptions, no logins, no catch.