HomeFleet PortalIFTA CalculatorIFTA CalculatorLearn how to use the IFTA Calculator to review mileage, manage fuel records, calculate your IFTA taxes, and prepare your quarterly return.5 articlesAbout the IFTA Calculator: Scope and LimitationsGetting started with the IFTA CalculatorReview and correct mileage recordsAdd and manage fuel recordsReview your IFTA report