Measure Master Pro
By Calculated Industries. Designed for everyone who works with linear, area and volume calculations. Works directly in feet, inches, fractions, yards, meters, centimeters, millimeters... including square or cubic formats of each. Converts to and from all dimensions instantly. Instant circumference, circle area and arc lengths. Weight-per-volume key allows you to convert between weights and find weights of any material. Last 20 entries are viewable. Unit price function estimates material costs instantly. Custom set functions and Time-saving utility functions, auto shut-off.