Hoop House Calculator . It uses your location to find the ground snow load as a baseline. To do this, we sourced university studies on hoop house production averages and then calculated the amount of food produced based on the maximum of two acres (0.809 hectares) of growing space. Calculate dimensions of hoop house (curve calculation) Geometry from www.reddit.com Quonset (hoop) frame area calculator: Hl = a x u δt where: This is a list of materials and cost calculations for building a hoophouse.