What is monthly payment for a 30-year mortgage on a $1B loan?

With 6% interest rate, The monthly payment for 30-year mortgage on a 1B is $7,164,310.58

What is monthly payment for a 20-year mortgage on a $1B loan?

With 6% interest rate, The monthly payment for 20-year mortgage on a 1B is $5,995,505.25

In 30 year loan term, $1,000,000,000 mortgage with 6% interest rate is$5,995,505.25per month.

You will pay total interest of $1,158,381,890.55 over the 30 year period

Here's a detailed analysis about $1 billion dollar Home purchase.

The explaination with different comparisions based on interest rates, loan term is presented in this document.

And you can decide which is the most suitable plan for you

At a 6% fixed interest rate, your monthly mortgage payment on a 25-year mortgage will be total $6,443,014.01 a month.

While 20-year will cost $7,164,310.58 a month

❌📉 Without Down Payment

With Zero down payment, the monthly mortgage for $1,000,000,000 for 25 years is $6,443,014.01.

You will pay extra $932,904,204.46 other than you principal amount ($1,000,000,000)

You will have to make total 300 payments with total amount of $1,932,904,204.46(93% more than borrowed Amount)

Calculation Summary

Monthly Mortgage	$6,443,014.01
Number of Payment	300 (12x year)
Pre Payment (Down payment)	$0.00
additional Payment (Other than borrowed money)	$932,904,204.46
Total Amount Due	$1,932,904,204.46

📉 With Down Payment

The monthly mortgage for $1,000,000,000 for 25 years with 20% down payment is $5,154,411.21.

You will pay extra $746,323,363.57 other than your borrowed amount ($1,000,000,000)

You will have to make total 300 payments with total amount of $1,546,323,363.57(75% more than borrowed Amount)

Calculation Summary

Monthly Mortgage	$5,154,411.21
Number of Payment	300 (12x year)
Pre Payment (Down payment)	$200,000,000
Extra Payment (Other than Loan Amt)	$746,323,363.57
Total Amount Due	$1,546,323,363.57

Here are some Interesting facts about $1B loan

If the loan term is 20 years. The monthly mortgage will be $7,164,310.58 with total 240 installments.

Although you are paying extra $721,296.57 per month, you only have to pay total interest of $719.4M ($719,434,540.35)

which is $213.5M ($213,469,664.11) less interest compared to 25 years loan term

If the loan term is 30 years. The monthly mortgage will be $5,995,505.25 with total 360 installments.

Although you are paying $447,508.76 less per month, you have to pay total interest of $1.2B ($1,158,381,890.55)

which is $225.5M ($225,477,686.09) more money compared to 25 years loan term

Reference

Rates on Banks