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What a 0.25% Mortgage Rate Move Actually Costs

Every rate headline is about a quarter point. Here is what one is worth in dollars, at each loan size, against the current 6.55% 30-year benchmark — using the same amortization engine behind our mortgage calculator.

Current 30-year benchmark

6.55%

as of 2026-07-16

A quarter point on $400,000

$67/mo

$23,854 over 30 years

Per $100,000 borrowed

$17/mo

rule of thumb for any loan size

On a $1,000,000 loan

$165/mo

$59,635 over 30 years

Loan−0.25%at 6.55%+0.25%Lifetime cost of +0.25%

$200,000$1,238$1,271$1,304+$11,927

$300,000$1,857$1,906$1,956+$17,891

$400,000$2,476$2,541$2,608+$23,854

$500,000$3,095$3,177$3,260+$29,818

$600,000$3,714$3,812$3,912+$35,781

$750,000$4,642$4,765$4,889+$44,726

$1,000,000$6,190$6,354$6,519+$59,635

Principal and interest only, 30-year fixed, no taxes, insurance or PMI.

A quarter point is small monthly and large lifetime

On a $400,000 loan, a quarter point is $67 a month — less than most people expect, and rarely the thing that decides whether a house is affordable. Over thirty years the same quarter point is $23,854, which is a different kind of number entirely.

The useful shortcut: roughly $17 per month per $100,000 borrowed, per quarter point, at rates near today's. It scales almost linearly with loan size, so a $1,000,000 borrower feels five times what a $200,000 borrower does.

The Fed does not set mortgage rates

This page is usually read on a day the Federal Reserve has moved, so it is worth being direct: the Fed does not set mortgage rates. It sets the federal funds rate, an overnight rate between banks. Thirty-year mortgages track long-term Treasury yields and mortgage-bond spreads, which price expectations about inflation and growth — usually well before the Fed acts.

That is why mortgage rates have risen after cuts and fallen after hikes. If you want to know what a rate move costs, the honest question is not "what did the Fed do" but "what did the 30-year rate do" — which is the number this table uses, and which we refresh from the Freddie Mac survey rather than from headlines.

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Suggested citation

Tallivo, “What a 0.25% Mortgage Rate Move Costs, by Loan Size,” updated July 16, 2026. https://tallivo.com/data/rate-move-impact

Key findings

A quarter-point move costs about $17 a month per $100,000 borrowed at rates near 6.55%.
On a $400,000 loan that is $67 a month, but $23,854 across the full 30 years.
On a $1,000,000 loan the same quarter point is $165 a month and $59,635 lifetime.
The Federal Reserve does not set mortgage rates — 30-year rates track long-term yields and have moved opposite to Fed decisions many times.

The data

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All 50 states with the federal, FICA and state components broken out. Generated by the same engine that renders the table on this page, so the file and the page cannot disagree.

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Dates & method

Published July 25, 2026 · Figures last verified July 16, 2026.
Full methodology · how we check these numbers · report an error

Primary sources

Freddie Mac Primary Mortgage Market Survey (via FRED MORTGAGE30US)

Writing something and need a figure we have not published — a different salary, a specific state, a filing status? Ask and we will run it.

Common questions

How much does a 0.25% rate change affect a mortgage payment?

On a $400,000 30-year loan it is about $67 a month — roughly $17 per $100,000 borrowed. Over the full term that quarter point costs $23,854 in extra interest.

Does the Federal Reserve set mortgage rates?

No. The Fed sets the federal funds rate, an overnight bank rate. Thirty-year mortgage rates track long-term Treasury yields and mortgage-bond spreads, which move on inflation and growth expectations. Mortgage rates have repeatedly risen after a Fed cut and fallen after a hike, because markets price the expectation long before the announcement.

Should I wait for rates to drop before buying?

That is a personal decision this page cannot make for you, and nobody reliably forecasts rates. What the table does show is the size of the bet: a quarter point on a typical loan is a modest monthly figure but a large lifetime one, and a home price change of a few percent can easily outweigh it. Refinancing later is possible; buying at a lower price later may not be.

What rate is this based on?

The Freddie Mac Primary Mortgage Market Survey 30-year average, 6.55% as of 2026-07-16. The table refreshes when that benchmark is updated, so it always reflects the current rate rather than a snapshot.

Principal and interest only on a 30-year fixed loan; your actual payment includes property tax, insurance and possibly PMI. Estimates, not a loan offer — and not financial advice.