- Interest Only Calculator
- Mortgage Payment Calculator
- Additional Payment Calculator
- Buy vs. Rent Calculator
- Refinance Calculator
- FDIC Insurance Calculator
Interest Only Calculator
Interest Only Calculator
Figure out if taking advantage of an interest-only mortgage is your best financial decision.
Mortgage Payment Calculator
Mortgage Payment Calculator
See what your monthly mortgage payment will be based on the loan amount, interest rate, and term.
Additional Payment Calculator
Additional Payment Calculator
Figure out how much making additional payments each month will save you in interest.
Buy vs. Rent Calculator
Buy vs. Rent Calculator
Settle the debate once and for all by seeing the numbers, plain and simple, right in front of you.
Refinance Calculator
Refinance Calculator
See how much you can save by refinancing your loan. Plus, see what your principal balance would look like in years with and without refinancing.
FDIC Insurance Calculator
Need Help Choosing an Account?
Answer some simple questions and our Product Selector Tool will quickly find your best option.
Discover More with GSB
lending Rates
Find a loan with competitive lending rates and flexible financing options.
Mortgages
Make the dream home a reality by getting a personalized mortgage at a great rate.
Self Service Center
Open an account, pay a bill, transfer money, and deposit a check quickly and simply—without leaving the comfort of your home.