Loan Types & Programs

20 vs. 30 Year Mortgage

Compare a 20-year and a 30-year mortgage to weigh a higher payment against long-term interest savings.

Inputs
$
%
%

Estimates only. Adjust any value to recalculate instantly.

Results
Interest saved with the 20-year $161,383 for $285.56 more per month
20-year payment $2,201.54
20-year total interest $228,369
30-year payment $1,915.98
30-year total interest $389,752
Total interest compared
Total interest compared 20-year interest: $228k30-year interest: $390k
  • 20-year interest $228k
  • 30-year interest $390k
Loan balance 20-year30-year
Loan balance: 20-year vs 30-year $589k$442k$294k$147k$0 Yr 1Yr 6Yr 11Yr 16Yr 21Yr 26

The 20-year costs $286 more each month but saves $161,383 in interest and frees you 10 years sooner.

Balance & cumulative interest by yearView table
Year20-yr balance30-yr balance20-yr interest30-yr interest
1$292,261$296,710$18,679$19,702
2$284,019$293,196$36,856$39,179
3$275,244$289,443$54,499$58,418
4$265,899$285,435$71,572$77,402
5$255,948$281,154$88,040$96,112
6$245,352$276,582$103,862$114,532
7$234,068$271,698$118,997$132,640
8$222,053$266,483$133,401$150,417
9$209,259$260,912$147,025$167,838
10$195,635$254,963$159,819$184,880
11$181,127$248,609$171,730$201,518
12$165,679$241,823$182,700$217,723
13$149,228$234,575$192,668$233,467
14$131,711$226,833$201,569$248,717
15$113,058$218,566$209,335$263,441
16$93,195$209,735$215,890$277,603
17$72,044$200,304$221,158$291,163
18$49,522$190,231$225,054$304,082
19$25,539$179,473$227,489$316,316
20$0$167,983$228,369$327,818
21$0$155,712$228,369$338,538
22$0$142,605$228,369$348,423
23$0$128,607$228,369$357,417
24$0$113,657$228,369$365,458
25$0$97,689$228,369$372,482
26$0$80,635$228,369$378,420
27$0$62,421$228,369$383,197
28$0$42,967$228,369$386,735
29$0$22,190$228,369$388,950
30$0$0$228,369$389,752

How the 20 vs. 30 year mortgage calculator works

A 20-year mortgage sits between the aggressive 15-year and the flexible 30-year, and it is an underused middle ground. Against a 30-year loan on the same amount, the 20-year raises your monthly payment by a moderate amount — far less of a jump than the 15-year demands — while still cutting total interest meaningfully and freeing you of the debt a full decade sooner.

For borrowers who want to pay down faster without the strain of a 15-year payment, the 20-year is often the sweet spot. This calculator compares both so the modest payment increase and the interest saved are clear.

Worked example

Worked example: with loan amount of $300,000, 20-year rate of 6.30% and 30-year rate of 6.60%, the 20 vs. 30 year mortgage shows interest saved with the 20-year of $161,383.

20-year payment
$2,201.54
20-year total interest
$228,369
30-year payment
$1,915.98
30-year total interest
$389,752

The formula

Both loans amortize the same principal with the standard payment formula, differing in term (240 versus 360 months) and possibly rate. Total interest is the monthly payment times the count of payments minus the principal. The 20-year's higher payment buys a shorter payoff and lower lifetime interest.

Assumptions & limitations
  • The comparison holds the loan amount constant and varies only the term and any rate difference.
  • Rates can be set equal or with a small 20-year discount; the gap between 20- and 30-year rates is usually narrow.
  • Interest totals assume each loan runs to maturity with no additional principal payments applied.
  • Property taxes, insurance, and any mortgage insurance are left out, as they affect both terms alike.
  • The model does not weigh what you might earn investing the payment difference instead of accelerating payoff.

Related calculators

30-Year Mortgage Calculator20-Year Mortgage15-Year Mortgage10-Year Mortgage Calculator15 vs. 30 Year Mortgage

Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender or a licensed advisor.

Frequently asked

Questions about the 20 vs. 30 year mortgage

Why pick a 20-year over the more common 15- or 30-year?

Balance. The 20-year cuts a meaningful slice of interest and shortens your payoff by ten years versus a 30-year, but its monthly payment is far gentler than a 15-year's.

Borrowers who find the 15-year payment uncomfortable yet dislike paying interest for three decades often land here. It is the compromise term — less strain than 15, less cost than 30.

How does the 20-year payment compare to a 30-year?

The increase is moderate, typically a manageable step up rather than the steep climb a 15-year requires.

You are spreading the same principal over 240 payments instead of 360, so each installment rises, but the difference is usually small enough that many budgets absorb it. In exchange you finish a decade early and shed a substantial amount of interest.

Are 20-year mortgage rates lower than 30-year rates?

Often slightly, though the discount is usually smaller than the gap you would see on a 15-year loan.

Shorter terms carry less risk for lenders, which can shave the rate, but 20-year pricing is not always advertised as prominently and varies by lender.

Ask specifically for a 20-year quote; some lenders default to showing 15 and 30 and omit it entirely.

Is the 20 vs. 30 Year Mortgage free to use?

Yes. Every calculator on MortgageLoansCalculator is completely free, with no sign-up, login or paywall. Run as many scenarios as you like.

Is a 20-year mortgage worth it over a 30-year?

A 20-year gets you a lower rate and much less total interest than a 30-year, for a payment that is higher but far gentler than a 15-year.

It is a middle path for paying off sooner without straining cash flow — compare the two above.

Related calculators

FHA Loan Calculator

Estimate an FHA payment including upfront and annual mortgage insurance premiums (MIP).

Reverse Mortgage Calculator

Estimate the proceeds available to a homeowner 62 or older from a reverse mortgage.

Balloon Mortgage Calculator

Keep payments low with a long amortization, then see the lump-sum balloon due at the short term end.

Combination (Piggyback) Mortgage Calculator

Model an 80-10-10 piggyback structure to avoid PMI with a first and second mortgage.

15 vs. 30 Year Mortgage

Compare a 15-year and 30-year loan: the higher payment against the interest you save.

VA Loan Calculator

Estimate a VA loan payment: $0 down, no PMI, including the one-time funding fee.
Embed this calculator on your site free

Add this calculator to your own page — it runs in the visitor’s browser and resizes itself, with nothing to maintain. Free to use; please keep the small credit link that appears below it. More options & how it works →

<iframe src="https://mortgageloanscalculator.com/embed/20-vs-30-year-mortgage.html?id=mlc-20-vs-30-year-mortgage" data-mlc="mlc-20-vs-30-year-mortgage" title="20 vs. 30 Year Mortgage by MortgageLoansCalculator.com" loading="lazy" scrolling="no" style="width:100%;border:1px solid #e4dfd2;border-radius:14px;min-height:620px;"></iframe>
<p style="font:13px/1.5 system-ui,sans-serif;color:#6e6a62;margin:8px 0 0;text-align:right;">Try the full version: <a href="https://mortgageloanscalculator.com/calculator/20-vs-30-year-mortgage.html" target="_blank" rel="noopener" style="color:#12294a;font-weight:600;">free online calculator</a> at MortgageLoansCalculator.com</p>
<script src="https://mortgageloanscalculator.com/embed.js?v=1" async></script>