https://smartasset.com/refinance/refinance-calculator
Award Winning Calculator determines if Refinancing makes sense using live mortgages and real data. Find out now exactly how much you can save or cash out ...

https://www.ccu.org/calculator/should-i-refi
The Should I Refinance Calculator helps you find out. Enter the specifics about your current mortgage, along with your current appraised value, new loan term, ...

https://www.lendingtree.com/home/refinance/mortgage-refinance-calculator/
Your new loan information - Loan term: Choose between a 30- or 15-year term. - Interest rate: Choose a realistic refinance interest rate.