Northern Virginia mortgage term comparison

Would you rather lower the payment or finish the mortgage sooner?

Give me the two rates your lender quoted. I’ll show you what the 15-year payment demands, what the 30-year flexibility costs, and how the balances change while you actually expect to own the loan.

Go straight to the comparisonWalk through it with me

By Abraham Walker · Northern Virginia real estate agent · Research reviewed August 20, 2026

AWLet’s begin with the part both quotes should share.
Step 1 · The same purchase

How much are you financing?

The term comparison only stays honest when both loans begin with the same price and down payment. The interest rates and repayment schedules can change. The house should not.

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That is $140,000 toward the purchase.
Estimated loan amount: $560,000.
AWNow use the note rates from the two written Loan Estimates.
Step 2 · Loan quotes

What did the lender actually offer you?

A shorter term often comes with a lower rate, but the spread changes. Today’s national averages are useful context, not your price. Your written quotes control this comparison.

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Freddie Mac national average on August 20, 2026. Replace it with your quote.
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Freddie Mac national average on August 20, 2026. Replace it with your quote.
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Use net costs after lender credits from the Loan Estimate.
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The 15-year payment is calculating now.
AWPrincipal and interest are fixed. Your complete housing payment is not.
Step 3 · Monthly budget

What else belongs in the monthly number?

Taxes, insurance, HOA dues, and mortgage insurance can change. I show them so you can judge the budget, but I do not pretend they are savings created by the loan term.

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Planning placeholder. Replace it with the property’s annual tax amount.
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Why could mortgage insurance differ?

The price and cancellation rules can depend on the program, down payment, credit, loan-to-value ratio, and lender. Enter the quoted monthly amounts. Confirm cancellation rules with the lender and servicer.

Your estimated all-in monthly budgets will appear here.
AWMost people should not compare only the thirtieth year.
Step 4 · Your timeline

How long might you keep this mortgage?

Use the earliest realistic sale, refinance, or payoff decision. I’ll compare the interest and balance at that point, then show the full scheduled payoff separately.

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This is voluntary money above the required payment.
I’ll calculate the extra amount needed.
Is paying extra the same as choosing a 15-year loan?

No. The 30-year note keeps its quoted rate and lower required payment. Extra principal may shorten payoff, but only if the servicer applies it as instructed. Confirm prepayment terms and payment instructions.

Your selected-year comparison will appear here.
AWHere is the tradeoff I would put in front of you before deciding.
Your answer
Planning comparison · under these assumptions

The 15-year loan costs less at your selected horizon.

The higher payment reduces the balance faster and may reduce interest, but the monthly commitment is larger.

Additional required monthly P&I$0
Selected-horizon financing-cost difference$0
Lifetime interest difference$0
Balance over time

How quickly each balance falls

Touch or hover across the picture to inspect a year. Lower means less principal remains.

After 7 years15-year balance: $030-year balance: $0
010 years20 years30 years
15-year balance30-year balance30-year with entered extra
Change one answer without starting over
Purchase and down paymentQuoted ratesMonthly costsTimeline and extra payment
Calculate the complete monthly paymentCheck affordabilitySchedule a no-cost review
Retain your comparison

Want me to quality-check and email these results?

You can use and adjust the calculator freely. To keep the personalized comparison, submit your contact information and I’ll review the entries before sending it. No cost. No obligation.

Submitting this request does not create representation or obligate you to hire Ask A Walker.

Common questions

What I would want you to understand before choosing a term

Does the 15-year mortgage always save interest?

A shorter amortization usually produces less interest, especially when its rate is lower. Actual fees, points, mortgage insurance, and the time you keep the loan can narrow or change the advantage. Compare the full Loan Estimates.

Why is the 15-year payment so much higher?

You are returning the principal in 180 scheduled payments instead of 360. The higher payment is not all “cost.” Much of it is faster principal repayment and therefore faster equity buildup.

Can I take a 30-year loan and pay it like a 15-year?

Often you can make extra principal payments, but the 30-year rate remains the 30-year rate and the lower payment is still the required obligation. Confirm prepayment terms and tell the servicer how to apply the extra money.

Why compare the balance after seven years?

You may sell, refinance, or pay off the loan before its scheduled maturity. The balance and interest at your likely decision point can be more useful than a lifetime total you may never experience.

Should I include taxes and insurance?

Yes for your household budget. They generally do not make one loan term cheaper than the other, and they can change even when principal and interest are fixed.

Does a lower rate mean the loan is automatically better?

No. Compare APR, points, credits, lender costs, mortgage insurance, required payment, and the time you expect to keep the loan. The Loan Estimate is designed for this comparison.

Does the calculator account for investing the payment difference?

No. Future returns are uncertain and depend on taxes, risk, fees, behavior, and timing. This tool keeps the mortgage math visible without predicting investment performance.

Could the higher 15-year payment affect qualification?

Yes. Lenders evaluate the required payment with income, debts, credit, reserves, property, and program rules. This calculator does not determine approval.

What if the closing costs differ?

Enter each quote’s net lender and closing costs. At a shorter ownership horizon, a fee difference can matter even when the shorter loan saves interest.

Is this a recommendation to choose one term?

No. It is an educational planning comparison. Your licensed lender can explain the loan products, and your own financial, tax, and legal advisers can address decisions within their fields.

Sources and calculation notes

How the estimate is built

The engine runs two monthly fixed-rate amortization schedules using the same principal and the two rates you enter. The selected-year result combines principal-and-interest payments already made with the remaining balance, then adds entered mortgage insurance and quote-specific closing costs. Shared taxes, insurance, and HOA dues appear in the monthly budget but do not become term-created savings.

Research last reviewed: August 20, 2026. Next scheduled review: September 2026 for rate examples and November 2026 for methodology.

Important disclosure. This calculator is an educational planning estimate, not a loan quote, Loan Estimate, approval, financial plan, legal opinion, tax analysis, or investment recommendation. Rates, APR, points, fees, insurance, and qualification vary. No brokerage or agency relationship is created by using the tool or requesting information. Any representation will be described in a separate written agreement signed by the applicable parties.