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How much interest can you save by increasing your mortgage payment? The mortgage payoff calculator helps you find out.

15-year term saves you , but is more per month

15-Year payments/mo


30-Year payments/mo


*APR = Annual Percentage Rate. Subject to credit approval. Some restrictions apply. APY = Annual Percentage Yield. Membership eligibility is required. Federally insured by the NCUA. St. Mary’s & Affiliates Credit Union is an Equal Housing Opportunity Lender. St. Mary’s & Affiliates Credit Union is a full-service financial institution serving Adams, Dane, Iowa, Juneau, Rock, and Sauk Counties.