Mortgage payment on a $100,000 house

With 20% down at 6.5% over 30 years, the full monthly payment is about $747.32 — here is how it changes with rate, term and deposit. About $747.32 a month with 20% down at 6.5%.

Last updated August 26, 2026 · Sources: Homeowners Protection Act (PMI cancellation); rates are your own input · Calculations run in your browser — nothing is stored Last updated Aug 26, 2026 · Rates are your own input · Nothing is stored

$100,000this page
Monthly payment
$747.32
$80,000 borrowed · 20% down · 30 years at 6.5%
Monthly payment broken into its parts
Principal & interest$505.65
Property tax$91.67
Homeowner's insurance$150.00
Total monthly$747.32

Total interest over 30 years: $102,039

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An estimate. Your lender's figure will differ with credit score, loan type, escrow rules and local tax assessment. Not a loan offer.

More options: term, taxes, insurance, HOA and PMI
Charged above 80% LTV, cancelled automatically at 78%.

Monthly payment on $100,000 by rate and term

Principal and interest on the $80,000 borrowed after a 20% deposit of $20,000. The rate is the single biggest lever, which is why it is worth shopping.

Rate 30 years20 years15 years
5.50% $454.23$550.31$653.67
6.00% $479.64$573.14$675.09
6.50% $505.65$596.46$696.89
7.00% $532.24$620.24$719.06
7.50% $559.37$644.47$741.61
8.00% $587.01$669.15$764.52

Principal and interest only, before taxes, insurance and any PMI.

How the deposit changes it

Down payment Loan P&I PMI PMI ends
5% ($5,000) $95,000 $600.46 $43.54 month 135
10% ($10,000) $90,000 $568.86 $41.25 month 109
20% ($20,000) $80,000 $505.65 not charged

At 6.5% over 30 years. PMI applies above 80% loan-to-value and is cancelled automatically at 78%.

Frequently asked questions

What is the monthly payment on a $100,000 house?

With 20% down at 6.5% over 30 years, principal and interest are $505.65 a month. Adding property tax and insurance brings the full payment to about $747.32.

How much do I need to put down on a $100,000 home?

20% is $20,000, which avoids PMI. At 5% down ($5,000) you would borrow $95,000 and pay an extra $43.54 a month in PMI until month 135.

How much interest does a $100,000 mortgage cost?

On the $80,000 borrowed at 6.5% over 30 years, total interest is $102,039 — about 128% of the amount borrowed. A 15-year term cuts that to $45,439.

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