Should You Refinance With Mortgage Rates Just Above 7%? A 5-Question Checklist and the 36-Month Break-Even on a $368,000 Mortgage
Rates are sitting just above 7%, and you're wondering whether it's worth refinancing or whether you should sit tight. Both answers can be right, depending on the loan you have today.
NerdWallet's Mortgage Rates Today, Friday, September 18: No Change described rates taking a breather as bond markets digested the week's Fed news. Its follow-up, Mortgage Rates Today, Monday, September 21: A Little Respite, said rates were holding steady just above 7%.
A pause is a good moment to run your numbers without the pressure of a rate that moves every day. Below is one worked example, a sensitivity check, a cash-out comparison, and a 5-question checklist. Every dollar figure is a constructed example, not a quote. Your numbers will differ based on your specific situation.
The Worked Example: $368,000 at 7.75% vs a Roughly 7.05% Quote
NerdWallet says "just above 7%." I'm using 7.05% as an illustrative offer. Your real quote depends on your credit, loan-to-value, and points.
Assumptions (all illustrative):
- Current loan: $368,000 balance, 7.75%, 27 years (324 months) left
- New loan: 30-year fixed at 7.05% on the same $368,000
- Closing costs: $9,200 (2.5% of the balance), paid out of pocket
Step 1: Monthly savings.
- Current principal-and-interest payment: about $2,714
- New payment: about $2,461
- Savings: about $253/month
Step 2: Simple break-even. $9,200 ÷ $253 = about 36 months. That's the number most calculators stop at.
Step 3: Check it against the horizon you'll actually hold the loan. The simple break-even ignores something. The new loan restarts at 30 years, so you owe more principal at every checkpoint than you would have on the old loan. That gap is real money.
| Horizon | Payment savings | Closing costs | Extra balance owed vs old loan | Net position |
|---|---|---|---|---|
| 3 years (36 mo) | $9,109 | −$9,200 | −$1,681 | −$1,772 |
| 5 years (60 mo) | $15,182 | −$9,200 | −$3,198 | +$2,784 |
| 10 years (120 mo) | $30,365 | −$9,200 | −$8,975 | +$12,190 |
Once you count the extra balance, the break-even lands closer to 45 months, not 36. If you're likely to sell or move within 3 years, this refinance loses money even though the payment drops.
This is the kind of analysis Kavivero runs for you, so you don't have to build the spreadsheet yourself.
The Term-Reset Trap: Where "Lower Payment" Costs More
Take the full-term view. If you ride both loans to the end:
- Old loan: $2,714 × 324 months = $879,245
- New loan: $2,461 × 360 months + $9,200 closing = $895,045
That's about $15,800 more in raw dollars for the "cheaper" loan, because you're making payments for three extra years. This is why the refinance can look like a win monthly and a loss over the life of the loan.
The fix, if your budget allows it, is to keep paying the old $2,714 on the new loan. Under this example's assumptions, that pays it off in about 272 months (roughly 22.7 years). It comes to about $747,000 total, roughly $132,000 less than staying put.
The trade-off is that you give up the $253/month of breathing room. Pick based on which you need more, cash flow or a shorter payoff. For a deeper walk-through, see How to Calculate Your Refinance Break-Even With Rates Over 7%, which covers the term-reset problem in detail. The related post on the hidden cost of resetting your loan clock covers a similar case.
What a 0.20% Move Does to Your Break-Even
Rates that "hold steady" can still drift between your first quote and your lock. Same loan, three possible offers:
| Offered rate | New payment | Monthly savings | Simple break-even |
|---|---|---|---|
| 6.85% | $2,411 | $302 | 30 months |
| 7.05% | $2,461 | $253 | 36 months |
| 7.25% | $2,510 | $203 | 45 months |
Moving the quote up 0.20% cost about 9 months of break-even. Moving it down 0.20% saved about 6. Break-even isn't a fixed fact about your loan. It's a fact about your loan at a specific rate on a specific day.
You can model this for your specific situation at Kavivero. Plug in your balance, your rate, and a few quotes, and see where your own break-even lands.
Cash-Out at 7%: Where the Math Flips
Now the other borrower. You locked in a low rate years ago and want $50,000 for a renovation. A cash-out refinance at today's 7%-ish rate replaces your entire mortgage, not just the $50,000.
Example assumptions:
- Current loan: $368,000 at 3.75%, 26 years (312 months) left, payment about $1,848
- Cash-out option: new loan of $418,000 plus $10,450 in closing costs rolled in = $428,450 at 7.05% for 30 years, payment about $2,865
- Alternative: keep the 3.75% loan and add a $50,000 fixed second loan at 8.5% over 10 years (an assumed rate, not a quote), payment about $620
| Path | Monthly payment | Paid over 10 years | Still owed at year 10 |
|---|---|---|---|
| Cash-out refinance at 7.05% | $2,865 | $343,800 | about $368,100 |
| Keep 3.75% loan + $50,000 second at 8.5% | $2,468 | $296,160 | about $266,550 |
The second-loan path costs about $397/month less and leaves you owing about $101,000 less after a decade. That's despite the higher rate on the $50,000. The cash-out refinance moves all $368,000 from 3.75% to 7.05%, and that's the expensive part.
The cash-out refinance does have advantages. It's one payment, one fixed rate, and no second lien. It gets much more competitive if your existing first mortgage is above market, like the 7.75% loan in our first example, because then you're getting the rate improvement and the cash together. Your available cash also depends on what your home appraises for today, not what you paid.
For more head-to-head cash-out math at similar rates, see Rate-and-Term vs Cash-Out at 7.04%: The 41-Month Break-Even and $61,974 Hidden Cost.
Why the Same "Rates Are Just Above 7%" Headline Gives Different Answers
I skim a lot of personal-finance coverage, and this week's NerdWallet reading list had a pattern that maps onto refinancing:
- Guide to Usage-Based Car Insurance: it can lower costs for safe drivers, but not everyone will get cheaper rates. A refinance works the same way. The average saving says little about your loan.
- How I Turned $99 Into a $6,205.32 Luxury Resort Stay: this is a sponsored piece built around a card perk (a 4th night free). A dramatic headline number depends entirely on the specific conditions behind it. A "saves $253/month" headline is the same. Ask what it assumes.
- Citi Adds Japan Airlines as Its Newest Transfer Partner: the transfer ratio is 1:1 or 1:0.7 depending on the card. Same market, different ratio depending on what you hold. Same 7% market, different outcome depending on which loan you're holding.
Your loan is one of a few thousand different combinations of rate, balance, remaining term, and equity, and the answer changes with each.
The 5-Question Checklist: Should You Refinance Right Now?
Work through these in order. Each one can end the analysis early.
1. Is your current rate meaningfully above today's quote? If your rate is at or below the rate you're being quoted, a rate-and-term refinance has no monthly savings to recover closing costs with. Stop here. If you're above it, do the math with a real quote, not the headline rate. Points and fees change the answer.
2. How long will you realistically keep this loan? Compare your expected time in the home against your break-even. In our example, the equity-adjusted break-even was about 45 months. A 3-year plan loses money. A 10-year plan gains about $12,190.
3. Are you resetting the clock, and do you care? A new 30-year term lowers the payment but can raise total cost by about $15,800 in our example. Decide whether you'll keep paying your old amount, or take the lower payment and accept the longer runway.
4. Are you replacing a low-rate loan to pull cash out? If your first mortgage is well below market, price a separate second loan first. In the example above, that gap was about $397/month. If your first mortgage is above market, cash-out becomes a fair fight and deserves a real side-by-side.
5. What happens if your quote moves 0.20% before you lock? In our table, a 0.20% rise pushed the break-even from 36 to 45 months. If a small move breaks your decision, the decision is fragile, so run the numbers again on the day you lock. The 5-question checklist for the 7.04% rate environment covers what to do when rates keep moving under you.
What Not to Take From This Post
Don't take "7.75% means refinance" from this post. Don't take "3.75% means never touch it" either. The example loans were chosen to show how far apart the answers can land, not to tell you which side you're on.
- A $368,000 balance at 7.75% breaks even in about 36 months on payment savings and about 45 on an equity-adjusted basis.
- Change the rate by 0.20% and the break-even moves by 6 to 9 months.
- Take $50,000 of cash out of a 3.75% loan and the math can turn against you by roughly $101,000 in remaining debt after a decade.
- Nothing here is a forecast. NerdWallet's reports describe rates as steady, not as a signal about where they're heading.
Run Your Own Numbers Before You Call a Lender
The rate has paused at just above 7%. That's a good time to work out your break-even, your horizon, and your term-reset cost, because the answer depends on your loan, not the average one. If the checklist points toward refinancing, get a real quote with real closing costs and run it again.
You can model your specific balance, rate, closing costs, and rate-and-term vs cash-out scenarios at Kavivero. The math should make the decision easy, or at least make it clear.
Sources
- Mortgage Rates Today, Monday, September 21: A Little Respite — NerdWallet
- Guide to Usage-Based Car Insurance — NerdWallet
- How I Turned $99 Into a $6,205.32 Luxury Resort Stay — NerdWallet
- Mortgage Rates Today, Friday, September 18: No Change — NerdWallet
- Citi Adds Japan Airlines as Its Newest Transfer Partner — NerdWallet