Loanweek

10% vs 20% down payment

$491.93/month difference in monthly payment

$56,094 difference in total interest

10% down: $2,627.35 a month. 20% down: $2,135.42 a month.

Source: Freddie Mac PMMS averages for the week of September 24, 2026: 30-year 7.03%, 15-year 6.42%. 20-year loans are priced at the 30-year average. Payment shown is principal, interest and PMI (0.75% of the loan a year until 78% loan-to-value) on a $400,000 price. An average, not an offer.

Side by side

10% down20% down
Amount borrowed$360,000$320,000
Rate7.03%7.03%
Monthly payment$2,627.35$2,135.42
Paid off in30 years30 years
Total interest$504,845$448,751
Total PMI$26,100$0
Balance remaining: 10% down vs 20% downLoan balance at the end of each year for both options.10% down20% down$0$100k$200k$300k$400kStartYear 15Year 3010% down, Start: $360k10% down, Year 1: $356.4k10% down, Year 2: $352.5k10% down, Year 3: $348.3k10% down, Year 4: $343.8k10% down, Year 5: $339k10% down, Year 6: $333.8k10% down, Year 7: $328.3k10% down, Year 8: $322.3k10% down, Year 9: $316k10% down, Year 10: $309.1k10% down, Year 11: $301.8k10% down, Year 12: $294k10% down, Year 13: $285.5k10% down, Year 14: $276.5k10% down, Year 15: $266.8k10% down, Year 16: $256.4k10% down, Year 17: $245.2k10% down, Year 18: $233.2k10% down, Year 19: $220.4k10% down, Year 20: $206.6k10% down, Year 21: $191.9k10% down, Year 22: $176k10% down, Year 23: $159k10% down, Year 24: $140.8k10% down, Year 25: $121.2k10% down, Year 26: $100.3k10% down, Year 27: $77.8k10% down, Year 28: $53.6k10% down, Year 29: $27.8k10% down, Year 30: $020% down, Start: $320k20% down, Year 1: $316.8k20% down, Year 2: $313.3k20% down, Year 3: $309.6k20% down, Year 4: $305.6k20% down, Year 5: $301.3k20% down, Year 6: $296.7k20% down, Year 7: $291.8k20% down, Year 8: $286.5k20% down, Year 9: $280.9k20% down, Year 10: $274.8k20% down, Year 11: $268.3k20% down, Year 12: $261.3k20% down, Year 13: $253.8k20% down, Year 14: $245.8k20% down, Year 15: $237.1k20% down, Year 16: $227.9k20% down, Year 17: $218k20% down, Year 18: $207.3k20% down, Year 19: $195.9k20% down, Year 20: $183.7k20% down, Year 21: $170.5k20% down, Year 22: $156.5k20% down, Year 23: $141.3k20% down, Year 24: $125.1k20% down, Year 25: $107.8k20% down, Year 26: $89.1k20% down, Year 27: $69.1k20% down, Year 28: $47.7k20% down, Year 29: $24.7k20% down, Year 30: $0

Questions

Which has the lower monthly payment?

20% down, by $491.93 a month ($2,627.35 vs $2,135.42).

Which costs less overall?

20% down saves $56,094 in interest ($504,845 vs $448,751).

What rates are these figures based on?

Freddie Mac PMMS averages for the week of September 24, 2026: 30-year 7.03%, 15-year 6.42%. 20-year loans are priced at the 30-year average. Payment shown is principal, interest and PMI (0.75% of the loan a year until 78% loan-to-value) on a $400,000 price.

Can I compare a different amount?

Yes: change the amount above and press Compare. The page recalculates with the same rates.

Sources

Numbers on this page last changed September 26, 2026. How they are calculated: methodology.