Professional-grade, feet-inch-fraction and metric dimensional calculator that delivers 60 of the mostneeded Imperial-Metric (SI) conversions resulting in over 400 conversion combinations. Converts to and from linear, area, volume, weight, weight-to-volume, linear velocity, flow rate, pressure, and much more. For engineers, contractors, purchasing agents, technicians, inspectors, or anyone needing a broad range of conversions. Includes 360° protective hard cover, easy-to-follow pocket reference guide, longlife battery, and full one-year warranty.