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6% vs. 7% Mortgage Rates: How Much Buying Power Changes

Written by Bennett Leckrone
Bennett Leckrone

Written by
Bennett Leckrone
Writer / Reviewer / Expert

Bennett Leckrone is the editorial manager and an analyst for Lower. He specializes in making complicated mortgage topics accessible for consumers. That includes both in-depth product guides and analysis on what economic moves mean for homebuyers and refinancers. He is also a licensed loan officer in Ohio, NMLS ID 2782574. He was previously a business reporter with a focus on higher education and fintech at BestColleges. In that role, he reported on the development of fintech and AI curriculum, as well as the rapidly changing nature of finance education. He also wrote guides to help business students navigate AI and online education. He also reported on state politics at Maryland Matters, with a focus on how policy affected people and businesses. He holds a bachelor of science in journalism degree from Ohio University.
Reviewed by Jake Driscoll
Jake Driscoll

Reviewed by
Jake Driscoll
Reviewer

Jake Driscoll is an experienced loan advisor and trainer who specializes in simplifying the mortgage process for both homebuyers and loan officers. He’s an expert in all things mortgage and refinance, and currently serves as the Associate Vice President for Training and Development at Lower. In that role, he prepares aspiring loan officers for the NMLS SAFE Exam and serves as a mentor to loan officers across Lower. As an expert reviewer, Jake evaluates mortgage and personal finance content for accuracy, clarity, and real-world applicability. He specializes in ensuring information reflects how lending actually works in practice so consumers can make confident, informed decisions.
Our Editorial Standards

Updated: Sept 17 2026

6% vs 7% Affordability
Calculator

Enter your monthly housing budget and see how much home you can afford at a 6% rate versus a 7% rate. A single point of rate movement can meaningfully change your buying power.

At 6% you can afford

$0

At 7% you can afford

$0
Use the sliders for quick comparisons or tap the blue value pills to type exact numbers.
Loan Term
Advanced Options (taxes, insurance, PMI, HOA)
Include taxes & insurance

P&I only shows the maximum principal & interest your budget supports. Turn on Full PITI to reserve part of your budget for property taxes, insurance, PMI, and HOA — a more realistic picture of what escrow will actually charge.

Property Taxes %
Homeowner’s Insurance %
PMI Rate (if <20% down) %
HOA Dues $
Rate A (lower comparison) %
Rate B (higher comparison) %

This is an educational tool, not a loan offer, Loan Estimate, or commitment to lend. Estimated purchase prices are illustrative and depend on rate, term, down payment, and — when Full PITI is enabled — property tax, insurance, PMI, and HOA assumptions. Actual rates depend on credit, market conditions, loan type, and other factors and can change daily. Under the Homeowners Protection Act, conventional lenders are generally required to automatically terminate borrower-paid PMI at 78% LTV — provided you remain current on payments and meet other conditions. Not all products available in all states. Lower, LLC · NMLS #1124061 · Equal Housing Lender.

How this calculator works

Move the sliders to see how your buying power shifts between two different interest-rate scenarios. Tap any blue value pill to type an exact number.

P&I-only mode (default): The tool solves for the largest loan whose monthly principal & interest payment equals your monthly budget, then adds your down payment to get an estimated purchase price. Formula: M = P · r(1+r)n / ((1+r)n−1), solved for P.

Full PITI mode: Your budget also has to cover monthly property taxes, homeowner’s insurance, PMI (when down payment is below 20%), and HOA dues. The calculator subtracts the HOA flat dollar first, then divides the remaining budget by a coefficient that combines the P&I per dollar of price plus per-dollar tax, insurance, and PMI. That solves directly for the affordable price.

Worked example (P&I only, 30-yr, 10% down, $3,000/mo budget): At 6% the max loan is ≈ $500,300, so the affordable price ≈ $555,900. At 7% the max loan drops to ≈ $450,800, so the affordable price ≈ $500,900 — a $55,000 swing in buying power for the same monthly payment.

Use these estimates to compare scenarios and prepare questions for a lender. Final pricing, eligibility, and approval depend on a full application and lender review.

Get a personalized mortgage rate.

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Key Takeaways

  • Moving from a 6% to 7% mortgage rate can reduce buying power substantially even when your monthly housing budget stays the same.
  • The average 30-year mortgage rate reached 6.95% for the week ending Sept. 17, putting current rates close to the 7% scenario in the calculator above.
  • The Fed raised rates by 0.25% on Sept. 16, but fixed mortgage rates do not move point-for-point with the federal funds rate. Longer-term Treasury yields and mortgage-backed securities markets matter more.

The difference between a 6% and 7% mortgage rate isn't hypothetical right now.

Freddie Mac reported that the average 30-year fixed mortgage rate reached 6.95% for the week ending Sept. 17, 2026, up from 6.76% the week before and 6.26% a year earlier.

That puts the market almost directly on the 7% side of the calculator above. The difference between 6% and 7% can shift the home price supported by the same monthly budget by tens of thousands of dollars.

How much does 6% vs. 7% change buying power?

The easiest way to see the impact of a higher mortgage rate is to keep the monthly principal-and-interest budget constant and change only the rate.

With a $3,000 monthly principal-and-interest budget and 10% down, a 6% mortgage rate supports a home price of roughly $556,000. At 7%, the same monthly budget supports about $501,000.

That's a difference of approximately $55,000 in home price.

Mortgage rate Monthly P&I budget Down payment Approx. home price
6% $3,000 10% $556,000
7% $3,000 10% $501,000

The effect gets larger as the loan amount increases.

With a $4,500 principal-and-interest budget and 20% down, the same move from 6% to 7% reduces the estimated home price from about $938,000 to $845,000.

Mortgage rate Monthly P&I budget Down payment Approx. home price
6% $4,500 20% $938,000
7% $4,500 20% $845,000

That's roughly $93,000 less home price supported by the same principal-and-interest budget.

The calculator above lets you change the monthly budget, rate and down payment to see how the 6% vs. 7% difference applies to a specific scenario.

What changed this week?

The mortgage market moved even closer to the 7% scenario this week.

Freddie Mac's Sept. 17 Primary Mortgage Market Survey put the average 30-year fixed mortgage rate at 6.95%, compared with 6.76% the previous week.

The average was 6.26% during the comparable week in September 2025, making today's rate 0.69% higher than a year ago. The average 15-year fixed mortgage rate also increased this week, from 6.09% to 6.26%.

The new mortgage-rate reading arrived one day after the Federal Reserve voted 12-0 to raise the federal funds target range by 0.25% to 3.75% to 4.00%. It was the first Fed rate hike since July 2023.

Those two developments happened in the same week, but the Fed's increase should not be read as the direct cause of the 0.19% increase in Freddie Mac's weekly average.

Mortgage markets had already been moving before the Fed announced its decision.

What does this week's 0.19% increase do to affordability?

The difference between 6.76% and 6.95% is much smaller than the full 6% vs. 7% range, but it still changes buying power.

With a $3,000 monthly principal-and-interest budget and 10% down, a 6.76% rate supports a home price of roughly $513,000. At 6.95%, the same budget supports about $504,000.

Rate Monthly P&I budget Down payment Approx. home price
6.76% $3,000 10% $513,000
6.95% $3,000 10% $504,000

That's approximately $9,000 in buying power from a weekly mortgage-rate move of just 0.19%.

With a $4,500 monthly principal-and-interest budget and 20% down, the same weekly rate change moves the estimated home price from roughly $866,000 to $850,000, a difference of about $16,000.

Those examples isolate principal and interest. Property taxes, homeowners insurance, mortgage insurance and homeowners association fees can also materially affect the total monthly housing payment.

Why does 1% make such a large difference?

A mortgage combines a large balance with a long repayment period.

On a 30-year fixed mortgage, the borrower typically makes 360 scheduled principal-and-interest payments. A higher interest rate changes how much of each payment is required to finance the same loan balance.

That means there are two ways to look at the difference between 6% and 7%.

If the home price stays the same, the monthly payment rises.

If the monthly budget stays the same, the amount a buyer can borrow falls.

The calculator above uses the second approach to illustrate purchasing power.

Why mortgage rates and Fed rates aren't the same thing

The Fed's 0.25% increase does not mean mortgage rates automatically increase by 0.25%.

The federal funds rate is a short-term overnight interest rate. Thirty-year fixed mortgage rates are influenced more heavily by longer-term Treasury yields and mortgage-backed securities markets.

That's why mortgage rates can move differently from the federal funds rate.

Investors continually adjust Treasury and mortgage-backed securities prices based on inflation, economic growth, government borrowing and expectations for future Fed policy.

Markets often begin making those adjustments before the Fed actually changes its rate.

What does the Fed expect for the rest of 2026?

The Fed's September projections suggest that most policymakers currently expect at least one additional increase this year.

Of the 18 officials who submitted projections, 12 projected a year-end federal funds midpoint of 4.125%, consistent with one additional 0.25% increase. Four projected 4.375%, consistent with two additional increases. Two projected no additional increase.

That means 16 of 18 participants currently see at least one additional rate hike as appropriate before year-end.

Those projections are not commitments, and they are not forecasts for mortgage rates.

Mortgage rates could rise, fall or stay near current levels even if the Fed follows the path shown in its September projections. Longer-term Treasury yields and mortgage-backed securities pricing will continue to influence fixed mortgage rates.

The calculator above is therefore better read as a range of affordability outcomes than as a prediction that rates will move from one specific number to another.

Other variables can offset part of a rate change

The mortgage rate is only one input in a homebuying budget. Other variables can also change the amount borrowed or the monthly payment.

Down payment

A larger down payment reduces the loan amount, lowering principal and interest even when the mortgage rate stays unchanged.

Down payment size can also affect mortgage insurance and loan pricing depending on the loan program.

Loan term

Freddie Mac reported an average 15-year fixed rate of 6.26% for the week ending Sept. 17, compared with 6.95% for the 30-year fixed.

A shorter loan term generally comes with a higher monthly payment because the balance is repaid faster, even when the interest rate is lower.

Discount points

Borrowers can sometimes pay discount points upfront in exchange for a lower mortgage rate.

The relevant comparison is the upfront cost against the monthly savings. Whether the tradeoff works depends partly on how long the loan remains outstanding.

Lender credits

Lender credits can reduce some upfront closing costs, often in exchange for a higher interest rate.

That means two mortgage offers can have different combinations of rates and upfront costs even when the loan amount is the same.

Taxes, insurance and PMI

Principal and interest aren't the only components of a housing payment.

Property taxes, homeowners insurance and mortgage insurance can materially change the monthly amount. Use the calculator's advanced options to include those costs when comparing 6% and 7% scenarios.

What to watch next

The difference between 6% and 7% is useful for modeling affordability, but mortgage rates can move in much smaller increments from week to week.

The next several weeks include economic releases and Fed events that could shift expectations in the bond market:

  • Freddie Mac's next weekly mortgage-rate release is scheduled for Sept. 24.
  • The September employment report is scheduled for Oct. 2.
  • The September Consumer Price Index is scheduled for Oct. 14.
  • The next Fed policy meeting is Oct. 27-28.
  • The next scheduled Fed economic projections and dot plot come with the Dec. 8-9 meeting.

The October meeting does not include a scheduled update to the Fed's dot plot.

Mortgage rates can also move between these dates as investors respond to economic, fiscal and geopolitical developments.

Frequently asked questions

How much more does a 7% mortgage cost than a 6% mortgage?

The difference depends on the loan amount and term. On a 30-year mortgage, a 7% rate produces a higher monthly principal-and-interest payment than a 6% rate on the same loan balance. If the monthly budget stays fixed instead, the higher rate reduces the amount that can be borrowed.

Does a Fed rate hike mean mortgage rates will go from 6% to 7%?

No. The Federal Reserve does not directly set fixed mortgage rates. Mortgage rates are influenced more by longer-term Treasury yields and mortgage-backed securities markets. A 0.25% Fed increase does not translate into an automatic 0.25% increase in mortgage rates.

Does a Fed rate hike change the payment on an existing mortgage?

Not on an existing fixed-rate mortgage. The interest rate remains fixed according to the terms of the loan. Adjustable-rate products can work differently depending on the index, adjustment schedule and loan terms.

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