Have savings and a mortgage with the same lender? Try MSE’s offset mortgage calculator to work out if an offset mortgage will be better in the long run for you.

Return on investment (ROI) is a performance measure used to evaluate the efficiency of an investment or compare the efficiency of several investments.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.