There are several calculators out there online search for excel mortgage calculator one is pasted below. I used this website for my calculator. https://www.vertex42.com/Files/download2/themed.php?file=home-mortgage-calculator.xlsx or can go here https://www.bankrate.com/calculators/mortgages/mortgage-calculator.aspx and just use the website. The website has home insurance, property tax, and HOA fee you can enter to get a better estimate for your payment.
The information you have is $1000/month
