This document contains formulas in Microsoft Excel 2010 to calculate total weekly costs for a trip including costs for a hotel, sky equipment rental, club access, excursions, bus transportation, and airfare. The total weekly cost is calculated by summing the daily costs for the hotel, sky equipment, club, and excursions and multiplying by 7. Separate formulas also add transportation costs to the total daily cost to calculate total weekly costs by bus and airfare.