SwitchWizeFinancial Decisions, Made Clearer
P1

Mortgage Rate Buydown Calculator

Determine whether paying points upfront to lower your mortgage rate saves you money over your loan term.

Quick answer: Estimate whether paying upfront to reduce a mortgage rate pays back through monthly savings. Enter Loan Amount, Base Rate, Bought-Down Rate, and Buydown Cost to personalize the estimate. It returns Bought-Down Payment, Base Monthly Payment, and Monthly Savings so you can compare the impact before choosing a next step. Use it to compare payment, equity, rate, and timing tradeoffs before applying or changing a loan.

SWReviewed by SwitchWize Research Desk · Last reviewed June 23, 2026
Bought-Down Payment
$2,528
Bought-Down Payment
$2,528
Base Monthly Payment
$2,661
Monthly Savings
$133
Break-Even Months
60 months
Diagnostic

Your headline result is ready above.

Use this number to compare options and decide the next action.

Plan this in Money Map
What to do next

Plan your next move

Your action plan
  1. 1

    Compare the leading option against your current setup

    Estimate whether paying upfront to reduce a mortgage rate pays back through monthly savings.

  2. 2

    Pressure-test one alternate scenario before deciding

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

Plan your next move

This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

Calculator action path

Turn this result into a decision

Every SwitchWize calculator connects to a product comparison, rate context, guidance, alerts, and Money Map.

Rate authority hub
Compare
You could gain ~$2,528/yr. Compare nowMove from calculation to current product options.
Rate Trend
Track mortgage ratesUse market context before you decide when to act.
Guide
The Buyer-Broker Agreement: What Changed for Homebuyers After the NAR SettlementUnderstand written buyer agreements, negotiated agent compensation, and why VA seller-paid brokerage charges are not seller concessions.
Money Map
Map this $2,528/yr opportunitySave this opportunity and see how it fits your broader money plan.
Alert
Create a rate alertWatch the market instead of checking manually.

About mortgage rates

Mortgage rates depend on loan type (30-yr fixed, 15-yr fixed, ARM, FHA, VA, jumbo), your credit score, down payment, points paid, loan amount, property state, and whether you're purchasing or refinancing. The calculator above uses a representative market rate for payment estimates, your actual rate will vary.

For a personalized rate comparison, use the tool below to see lenders ranked by APR, loan type, and your profile.

Compare mortgage rates
30-yr fixed · 15-yr fixed · FHA · VA · ARM: ranked by APR
Compare rates →

Mortgage rates shown on SwitchWize compare pages include loan type, assumed FICO, LTV, and points. Representative only. Verify all terms directly with the lender. Advertising disclosure

Free to embed

Add this calculator to your site

Paste this snippet into any page. No account or API key required, the widget is responsive, and it updates with live rates. A SwitchWize attribution link is included in the embed automatically.

<iframe src="https://www.switchwize.com/embed/rate-buydown?source=embed_selfserve" width="100%" height="680" loading="lazy" style="border:1px solid #e2e8f0;border-radius:14px;max-width:100%;width:100%" title="SwitchWize calculator"></iframe>
<script>(function(){window.addEventListener("message",function(e){if(e.origin!=="https://www.switchwize.com")return;var d=e.data;if(!d||d.type!=="sw-embed-resize")return;var f=document.getElementsByTagName("iframe");for(var i=0;i<f.length;i++){if(f[i].contentWindow===e.source){f[i].style.height=d.height+"px";break;}}});})();</script>

Frequently Asked Questions

Everything you need to know.

What does an example Rate Buydown Calculator calculation look like?
Using this calculator's own default assumptions, a loan amount of $400,000, base rate of 7% and bought-down rate of 6.5% produces an estimated bought-down payment of $2,528 and base monthly payment of $2,661. Enter your own numbers above to see how it changes for your situation.
What if my break-even point is longer than I plan to keep the mortgage?
If you sell or refinance before reaching break-even, the upfront cost won't pay for itself through monthly savings alone. The buydown makes sense primarily if you'll stay in the loan long enough for the accumulated savings to exceed what you paid upfront.
How much does the buydown rate need to drop to be worth it?
There's no universal threshold: it depends entirely on your specific loan amount, how long you keep the loan, and how much you pay upfront. A larger upfront cost requires more monthly savings to break even, and a shorter loan term means less time to accumulate those savings. This calculator shows the exact math for your situation.
Is the Mortgage Rate Buydown Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Mortgage Rate Buydown Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to plan your next move, or run Money Map to compare this home & mortgage decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (mortgage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

A rate buydown lets you trade an upfront cost for a lower interest rate, which reduces your monthly payment. Whether this trade-off makes financial sense depends on how long you keep the loan: a shorter timeline may not recoup the upfront cost, while a longer one typically does. This calculator shows exactly when (or if) your monthly savings add up to more than what you paid upfront.

How to Use It

  1. 1Enter your total loan amount.
  2. 2Input the interest rate you'd pay without any buydown.
  3. 3Enter the lower rate you'd receive after paying the buydown cost.
  4. 4Specify how much you'd pay upfront to reduce the rate.
  5. 5Choose your loan term in years.
  6. 6Review your base monthly payment, the payment with the bought-down rate, your monthly savings, and the number of months until the savings offset the buydown cost.
Related calculators
Rate Buydown Calculator
Plan your next move