Yes, a re-mortgage calculator can be beneficial in understanding how much a remortgage could cost you and your potential savings on interest. It can help you compare different deals to decide which one is best for you in terms of both the short-term and long-term impacts on your finances. Additionally, when planning a remortgage, it may be useful to use the calculator to estimate your repayments over different periods. This will make it easier to budget for the loan in advance and plan more effectively.