Calculated Industries 4020 Measure Master Pro Measurement Conversion Calculator Get professional results every time with the handy, easy-to-use tool It's ideal for designers, craftsmen, tradespersons, fabricators, woodworkers Built-in functions make the Measure Master Pro ideal for faster, more accurate material estimates Work in and convert between any building dimensions, including metric Linear, area and volume measurements Find weight and weight per volume Instant solutions for circle area, circumference, arcs and more