The Ultimate Kiwisaver Calculator Leave a Comment / Investment Calculators / By Paul Starkey Please use this calculator on a desktop device to get the best results. And to access a graph that is not available on tablet and mobile. Data last updated: 31 December, 2024Source: Morningstar Data Notes:Average returns are based on an annualised 5-year return.Funds that do not have 5 years worth of returns are not included.