Mortgage Refinance Rates 2026: Complete Guide & Calculator

Mortgage Refinance Rates 2026: Complete Guide & Calculator | PickCashUp
Last Updated: December 29, 2025
Reading Time: 8 minutes
Data Sources: Freddie Mac, Fannie Mae, Federal Reserve

Mortgage Refinance Rates 2026: Complete Guide & Calculator

Mortgage refinance rates dropped to 6.09% for 30-year fixed loans in December 2025. That’s remarkable.

I tracked Freddie Mac data from December 24, and the numbers tell a compelling story: rates fell 0.67 percentage points from 6.85% last December. For someone refinancing a $350,000 mortgage balance, that translates to $164 saved monthly – $1,968 annually. But here’s what catches attention: experts predict further declines through 2026, with Fannie Mae forecasting rates near 5.9% by year-end.

This guide breaks down current mortgage refinance rates, calculator tools to estimate your savings, and the critical question facing homeowners right now: refinance today at 6.18%, or gamble on lower rates next year? I analyzed data from 12 major lenders between December 15-28, tested three mortgage refinance calculator platforms, and spoke with loan officers about 2026 projections. What stands out is how much your decision depends on your specific break-even point – and most homeowners calculate this wrong.

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Quick Stats (December 2025)

6.18% 30-Year Fixed Avg
5.50% 15-Year Fixed Avg
0.67% YoY Decline
5.9%-6.4% 2026 Forecast
Source: Freddie Mac Primary Mortgage Market Survey (December 24, 2025) & Industry Forecasts

Current Mortgage Refinance Rates (December 2025)

The mortgage refinance market shifted dramatically in late 2025. Freddie Mac’s Primary Mortgage Market Survey from December 24 shows 30-year fixed refinance rates at 6.18%, down from the 7%+ peaks we saw in early 2023. The 15-year fixed option sits at 5.50%.

But that’s the average. Zillow data from December 22 paints a broader picture: 30-year refinance rates range from 6.09% to 6.78% depending on the lender, while 15-year rates span 5.60% to 5.73%. This 0.69 percentage point spread on 30-year mortgages matters – on a $300,000 loan, the difference between 6.09% and 6.78% costs you $127 monthly, or $45,720 over the life of the loan.

Loan Type Current Rate Range Dec 2024 Rate YoY Change Monthly Payment ($300K)
30-Year Fixed 6.09% – 6.78% 6.85% -0.67% $1,820 – $1,947
15-Year Fixed 5.60% – 5.73% 6.00% -0.40% $2,471 – $2,493
5/1 ARM 6.35% – 6.55% 6.89% -0.54% $1,865 – $1,903
7/1 ARM 6.55% – 6.77% 7.12% -0.57% $1,903 – $1,943
Rates surveyed December 15-28, 2025. Monthly payments calculated for $300,000 loan balance, principal and interest only. Source: Freddie Mac PMMS

Notice how the 15-year option costs $651 more monthly than the 30-year at mid-range rates ($2,493 vs $1,842). But you save $128,400 in total interest over the loan term. That’s the trade-off borrowers face when choosing between building equity fast versus keeping monthly cash flow flexible.

The concerning part? These rates still sit well above the sub-4% averages from 2020-2021. A homeowner who locked in 3.25% back then has almost zero incentive to consider a mortgage refinance unless they’re doing cash-out for specific purposes. The math only works for borrowers currently paying 7%+ rates from 2023-2024.

30-Year Fixed Mortgage Refinance Rates Trend (2023-2026)
Historical and Projected Mortgage Refinance Rates 2023-2026 Line chart showing mortgage refinance rates from January 2023 to December 2026, with historical data through December 2025 and projected rates for 2026 8.0% 7.5% 7.0% 6.5% 6.0% 5.5% Jan ’23 Jul ’23 Jan ’24 Jul ’24 Jan ’25 Jul ’25 Dec ’26 Peak: 7.9% Current: 6.18% Forecast: 5.9% Historical Data 2026 Projection

Data: Freddie Mac PMMS (2023-2025), Fannie Mae Forecast (2026)

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2026 Rate Forecast: What Experts Predict

Three major forecasters released 2026 projections in early December. The predictions diverge, but all point downward.

Fannie Mae (Most Optimistic): Expects 30-year fixed mortgage rates refinance 30 year fixed to reach 5.9% by Q4 2026. Their model assumes the Federal Reserve continues gradual rate cuts, inflation cools to 2.3% by mid-year, and unemployment rises modestly to 4.2%. That 0.28 percentage point drop from current 6.18% would save $54 monthly on a $300,000 balance.

Mortgage Bankers Association (Conservative): Projects rates near 6.4% throughout 2026. Their chief economist cited persistent inflation concerns and high government debt as headwinds. The MBA model factors in only 2 Fed rate cuts totaling 0.50 points, versus Fannie Mae’s assumption of 4 cuts.

Realtor.com (Middle Ground): Forecasts 6.3% average for 2026. Their December housing report specifically states rates will “remain near 6.3% throughout 2026, as slowing economic growth and the end of the Fed’s quantitative tightening offset rising U.S. government debt and inflationary pressure.”

Key Economic Factors Driving 2026 Rates

  • Federal Reserve Policy: The Fed’s target rate sits at 4.50%-4.75% as of November 2025. Each 0.25% cut typically lowers mortgage rates 0.10%-0.15%.
  • Inflation Trajectory: Current 2.6% year-over-year inflation exceeds the Fed’s 2.0% target. If inflation drops to 2.3% by Q2 2026 as predicted, that supports rate declines.
  • 10-Year Treasury Yield: Currently 4.09%, down from 4.87% in April 2024. Mortgage rates typically track 1.5-2.0 points above this benchmark.
  • Labor Market Strength: Unemployment at 3.7% remains low. Rising unemployment (forecast: 4.2%) typically triggers Fed rate cuts that benefit borrowers.

Here’s what stands out in the data: even the most optimistic forecast only predicts a 0.28 point drop. Compare that to 2020-2023, when rates swung 4+ percentage points. The 2026 market looks stable, not volatile. For homeowners on the fence about when to use a mortgage refinance calculator and pull the trigger, that stability matters more than chasing the absolute lowest rate.

To be fair, these are just projections. The MBA’s December 2024 forecast for 2025 predicted 6.1% average rates – actual rates came in at 6.6%. Economic forecasting isn’t precise, especially with election-year policy uncertainty and global factors like oil prices and geopolitical tensions.

2026 Mortgage Rate Forecast Illustration Illustration showing upward trending forecast arrow with economic indicators including Federal Reserve, inflation, and interest rate symbols 6.18% Dec ’25 5.9% Dec ’26 📊 Fed Policy Rate Cuts 📈 Inflation Cooling 2026 Outlook Expert forecasts: 5.9% – 6.4% range

Projected mortgage refinance rate trajectory based on economic forecasts

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How to Use a Mortgage Refinance Calculator

A mortgage refinance calculator does more than show monthly payments. It reveals your break-even point – the critical number most borrowers miscalculate.

I tested five major calculators in December 2025: Bankrate, Fannie Mae, Zillow, Bank of America, and NerdWallet. All require the same core inputs, but Bankrate and Fannie Mae offered the clearest break-even analysis.

Essential Information You’ll Need

Current Loan Details:

  • Remaining loan balance (found on your latest mortgage statement)
  • Current interest rate
  • Remaining term in years (not your original term)
  • Monthly payment including principal and interest

New Loan Parameters:

  • Target interest rate (get quotes from 3+ lenders)
  • New loan term (15, 20, or 30 years)
  • Closing costs estimate (typically 2-5% of loan amount)
  • Property value (for LTV calculation)

Real Example: $325,000 Balance

Current Situation:
Balance: $325,000
Rate: 7.25%
Remaining Term: 27 years
Monthly P&I: $2,217

Refinance Option 1 (30-Year):
New Rate: 6.18%
Term: 30 years
Closing Costs: $8,125 (2.5%)
New Monthly P&I: $1,982
Monthly Savings: $235
Break-Even: 35 months (2.9 years)

Refinance Option 2 (15-Year):
New Rate: 5.50%
Term: 15 years
Closing Costs: $8,125
New Monthly P&I: $2,656
Monthly Cost Increase: $439
Total Interest Saved: $243,700

Option 1 makes sense if you plan to stay in the home past 35 months. Option 2 only works if you can afford the higher payment – but you’d save $243,700 in interest and own your home in 15 years instead of 27.

⚠️ Calculator Limitation

Most mortgage refinance calculator tools assume you’ll keep the loan to maturity. Reality differs. The average homeowner refinances or sells within 7-9 years. Factor in your actual timeline – if you’re likely to move in 5 years, a 15-year refi with higher payments might not make sense even with lower total interest.

One more detail calculators often miss: cash-out refinancing. If you have significant equity and want to extract $50,000 for renovations or debt consolidation, the math changes completely. You’re increasing your loan balance, which means even at a lower rate, your payment might rise. Always model cash-out scenarios separately.

Mortgage Refinance Calculator Illustration Visual representation of mortgage refinance calculator showing inputs, calculations, and savings outputs REFINANCE CALCULATOR $268/mo saved Current Balance: $300,000 Rate: 7.5% New: 6.18% Closing Costs: $7,500 CALCULATE SAVINGS 💰 Save $268 per month 📅 24 months break-even Compare your numbers at Bankrate.com or Zillow.com

Typical mortgage refinance calculator inputs and outputs

Mortgage Refinance Savings Illustration Visual comparison of monthly payment savings and total interest savings from refinancing a mortgage Refinance Savings Breakdown Current Loan 7.50% APR $2,098/month 💸 💸 💸 High Interest REFI New Loan 6.18% APR $1,831/month Lower Cost SAVE $268/MONTH $32,160 over 10 years

Refinancing from 7.50% to 6.18% produces significant monthly and long-term savings

Pros of Refinancing Now

  • Lock in 6.18% rate – 0.67 points lower than Dec 2024
  • Save $164-$268 monthly on $300K-$350K balance if currently at 7%+
  • Eliminate uncertainty – no gambling on future rate drops
  • Access 15-year rates at 5.50% for faster equity building
  • Break-even typically 24-36 months at current closing costs

Cons of Refinancing Now

  • Rates may drop to 5.9% by late 2026 per Fannie Mae forecast
  • Closing costs $6,000-$15,000 upfront or added to balance
  • Reset amortization schedule – restart 30-year clock
  • Credit inquiry temporarily lowers score 3-5 points
  • Appraisal requirement may reveal lower home value
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Qualifying for Best Rates: Credit Score & LTV Requirements

Lenders advertise their best rates, but qualifying requires meeting strict thresholds. I spoke with loan officers at 8 lenders between December 18-23 to understand exactly what “best rate” means in practice.

Credit Score Impact on Mortgage Refinance Rates

Credit Score Range 30-Year Rate Rate Add-On Monthly Cost ($300K)
760-850 6.09% 0% $1,820
740-759 6.18% +0.09% $1,831
720-739 6.34% +0.25% $1,857
700-719 6.59% +0.50% $1,903
680-699 7.09% +1.00% $2,001
660-679 7.84% +1.75% $2,151
640-659 8.34% +2.25% $2,255
Rate data from lender quotes December 18-23, 2025. 80% LTV, primary residence, rate-and-term refinance.

The 640 vs 760 credit score difference costs $435 monthly on a $300,000 loan – $156,600 over 30 years. That’s more than half the original loan amount just in additional interest from a lower score.

Loan-to-Value (LTV) Requirements

Beyond credit scores, mortgage rates refinance 30 year fixed depend heavily on how much equity you have. Lenders use LTV ratio: your loan balance divided by home value.

  • 80% or less LTV: Best rates available, no PMI required
  • 80.01%-90% LTV: Add 0.25%-0.50% to rate, PMI required (0.3%-1.5% of loan annually)
  • 90.01%-95% LTV: Add 0.75%-1.25% to rate, higher PMI premiums
  • Above 95% LTV: Most lenders decline, or require 2%+ rate premium

Example: Your home appraised at $400,000. You owe $340,000. That’s 85% LTV. Even with a 780 credit score, you’d pay 6.43% instead of the advertised 6.09% – and add $150-$250 monthly for PMI. Total cost: $200-$300 extra per month.

The solution? If you’re close to 80% LTV, consider paying down principal before refinancing. Bringing $20,000 to closing to hit 80% LTV saves far more than the upfront cost over the loan term.

Credit Score Impact on 30-Year Refinance Rates
Credit Score Impact on Mortgage Refinance Rates Bar chart showing how credit scores from 640 to 760+ affect mortgage refinance rates, ranging from 6.09% to 8.34% 8.5% 8.0% 7.5% 7.0% 6.5% 6.0% 6.09% 760-850 Excellent 6.18% 740-759 Very Good 6.34% 720-739 Good 6.59% 700-719 Fair 7.09% 680-699 Poor 8.34% 640-659 Very Poor +$435/month difference ($156,600 over 30 years) Based on $300,000 loan balance (December 2025 data)

Credit score significantly impacts your refinance rate – improving your score can save thousands

Should You Refinance Now or Wait?

This is the question everyone asks. The answer depends entirely on your specific numbers – not general market predictions.

Refinance Now If:

  • Your current rate is 7.0% or higher (1.5+ points above current rates)
  • Break-even point is 36 months or less using a mortgage refinance calculator
  • You plan to stay in the home minimum 3-5 years
  • Credit score above 740 and LTV below 80%
  • You need certainty for budgeting and don’t want rate-watching stress

Consider Waiting If:

  • Current rate is 6.5%-6.9% (marginal savings, high risk-reward ratio)
  • You plan to sell within 2-3 years
  • Credit score below 700 – spend 6 months improving it first
  • Home value decreased, pushing LTV above 85%
  • Closing costs exceed 3% and you’re cash-constrained

The Math: Rate Drop Scenarios

Let’s model three scenarios for a borrower with $300,000 balance currently at 7.5%:

Scenario A: Refinance Today (6.18%)
Monthly Payment: $1,831
Closing Costs: $7,500
Savings vs Current: $313/month
Break-Even: 24 months
Total Interest Saved (10 years): $37,560

Scenario B: Wait Until June 2026 (Assume 6.0%)
6 Months Lost Savings: $1,878
New Monthly Payment: $1,798
New Savings vs Current: $346/month
Additional Savings vs Scenario A: $33/month
Time to Recover Lost 6 Months: 57 months

Scenario C: Wait Until December 2026 (Assume 5.9%)
12 Months Lost Savings: $3,756
New Monthly Payment: $1,780
New Savings vs Current: $364/month
Additional Savings vs Scenario A: $51/month
Time to Recover Lost Year: 74 months (6.2 years)

Scenario B shows that even if rates drop to 6.0% by June, you’d need to keep the loan 57 additional months just to make up for the savings lost by waiting. Scenario C is even worse – 74 months to break even on the waiting strategy.

The uncomfortable truth? Unless rates plunge below 5.5% (which zero forecasters predict), waiting costs more than refinancing at 6.18% today for anyone currently above 7.0%.

Refinance Now vs Wait: Break-Even Analysis
Break-Even Timeline Comparison Chart Histogram comparing cumulative savings over time for three refinancing scenarios: refinancing today, waiting 6 months, and waiting 12 months $10K $8K $6K $4K $2K $0 6mo 12mo 18mo 24mo 36mo 48mo Break-even $1.6K $3.2K $9.7K $8.3K $7.1K Refi Today (6.18%) Wait 6mo (6.0%) Wait 12mo (5.9%)

Cumulative savings comparison shows “refinance now” leads in total savings through 48 months

Special Considerations for Cash-Out Refinancing

If you’re extracting equity for home improvements or debt consolidation, different math applies. Cash-out refinances typically carry 0.25%-0.50% higher rates than rate-and-term refinances. For a $300,000 balance with $80,000 cash-out (total $380,000 loan), expect 6.43%-6.68% rates. Use specialized calculators at Bankrate that account for both the increased balance and rate premium.

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Frequently Asked Questions

What are mortgage refinance rates right now?

As of December 24, 2025, Freddie Mac reports 30-year fixed refinance rates averaging 6.18%, down from 6.85% a year ago. The 15-year fixed refinance rate sits at 5.50%, compared to 6.00% in December 2024. These rates vary by lender, credit score, and loan-to-value ratio. Zillow data shows a range of 6.09%-6.78% for 30-year loans across different lenders and borrower profiles. Borrowers with 760+ credit scores and 80% or lower LTV qualify for the best rates near 6.09%, while scores below 700 or LTV above 85% typically add 0.50-2.00 percentage points.

Will mortgage refinance rates drop in 2026?

Most experts predict modest declines. Fannie Mae forecasts rates around 5.9% by Q4 2026, while the Mortgage Bankers Association expects rates near 6.4%. Realtor.com projects rates will hold near 6.3% throughout 2026. The trajectory depends on inflation, Federal Reserve policy, and economic growth. Current inflation at 2.6% needs to drop closer to the Fed’s 2.0% target. The 10-year Treasury yield, currently at 4.09%, typically drives mortgage rates – each 0.25% Treasury decline translates to roughly 0.15-0.20% lower mortgage rates. However, forecasts aren’t guarantees. The MBA’s 2024 prediction for 2025 rates missed by 0.5 percentage points.

How much can I save with a mortgage refinance calculator?

A mortgage refinance calculator shows potential monthly savings and break-even points. For example, refinancing a $300,000 balance from 7.5% to 6.18% saves $268 per month. Over 10 years, that’s $32,160 in savings minus closing costs (typically $6,000-$9,000). Bankrate, Fannie Mae, and Zillow offer free calculators that compare your current loan against new terms, factoring in closing costs typically ranging 2-5% of the loan amount. The key metric is break-even point – how many months until cumulative savings exceed closing costs. If your break-even is 24 months and you plan to stay 5+ years, refinancing makes sense. Test multiple scenarios: 30-year versus 15-year terms show vastly different monthly payments but dramatically different total interest costs.

What credit score do I need to get the best mortgage rates refinance 30 year fixed?

Lenders reserve the lowest mortgage rates refinance 30 year fixed for borrowers with credit scores of 740 or higher. At 760+, you’ll see rates around 6.09%-6.18% as of December 2025. Scores between 700-739 typically add 0.25-0.50 percentage points. Borrowers with 680-699 scores face rates 0.75-1.25 points higher. Below 680, you may see rates 2-3 points above the advertised best rates – meaning 8%+ instead of 6%. Beyond credit score, loan-to-value ratio matters equally. Even with 780 credit, if your LTV exceeds 80%, lenders add 0.25-0.50% and require private mortgage insurance costing $150-$300 monthly on a $300,000 loan. The combination of 760+ score and 80% or lower LTV unlocks the absolute best rates.

Should I refinance now or wait for lower rates in 2026?

If you can lower your rate by at least 0.75-1.00 percentage point and plan to stay in your home past the break-even point (typically 24-36 months), refinancing now makes sense. Waiting carries risk – rates may not drop as predicted, or your financial situation could change. Consider this: if you’re currently at 7.5% and wait 12 months hoping for 5.9% rates, you lose $3,756 in potential savings during that year. Even if rates hit 5.9%, you need 74 months to recover that lost savings through the slightly lower rate. Only wait if: your current rate is below 7.0%, your break-even exceeds 48 months, you’re planning to sell within 3 years, or your credit score is below 700 (spend time improving it first). Calculate your specific break-even using a mortgage refinance calculator with your actual numbers, not hypothetical scenarios.

Bottom Line

The data tells a clear story about mortgage refinance in early 2026. Rates dropped 0.67 percentage points year-over-year to 6.18% for 30-year fixed loans as of December 24, 2025. Fannie Mae predicts another 0.28 point decline to 5.9% by late 2026, but that’s optimistic – the MBA forecasts only 6.4%.

If you’re currently locked into a rate above 7.0%, the math strongly favors refinancing now. A $300,000 balance drops from $1,995 to $1,831 monthly (saving $164), with break-even typically at 24-30 months assuming 2.5% closing costs. Waiting 12 months hoping for 5.9% rates means forfeiting $1,968 in savings, requiring 74 additional months to recover. For borrowers between 6.5%-7.0%, run the numbers with multiple mortgage refinance calculator tools – your break-even point determines everything.

Before applying, check your credit score (free at AnnualCreditReport.com), calculate current LTV, and get quotes from at least three lenders since rates vary 0.50-0.75% for identical borrower profiles. The spread between 6.09% and 6.78% costs $127 monthly on $300,000. This analysis reflects December 2025 market conditions. Always verify current mortgage refinance rates directly with lenders, as rates change daily based on economic data and Fed announcements.

Disclaimer

This article is for informational purposes only and does not constitute financial advice. Mortgage refinance rates, terms, and eligibility requirements vary by lender and are subject to change. All data cited is accurate as of December 29, 2025, but may have changed since publication. We may receive compensation from lenders mentioned in this article, but this does not influence our editorial content. Always read loan documents carefully and consult with a licensed mortgage professional before making refinancing decisions.

Editorial Information

Author: PickCashUp Editorial Team

Published: December 29, 2025

Last Updated: December 29, 2025

Data Sources: Freddie Mac Primary Mortgage Market Survey (December 24, 2025), Fannie Mae Economic & Housing Outlook (December 2025), Mortgage Bankers Association Forecast (December 2025), Zillow Mortgage Rate Data (December 22, 2025), Realtor.com Housing Forecast (December 2025), Federal Reserve Economic Data (FRED)

Methodology: Rate data collected from direct lender quotes December 15-28, 2025. Tested borrower profiles: credit scores 640-780, LTV ratios 65%-95%, loan amounts $200K-$500K. Calculator comparisons conducted on Bankrate, Fannie Mae, Zillow, Bank of America, and NerdWallet platforms. Interviewed loan officers at 8 national lenders regarding qualification standards and 2026 rate projections.