RSMeans Data Online is a cloud-based construction estimating software. The basic estimating tool allows you to quickly add, edit and share your price proposals. Access material, labor and equipment costs for each line item and adjust quantities as needed. The basic estimating tool allows you to quickly add, edit and share your price proposals. Access material, labor and equipment costs for each line item and adjust quantities as needed. The basic estimating tool allows you to quickly add, edit and share your price proposals. Access material, labor and equipment costs for each line item and adjust quantities as needed.