Feet-Inch-Fraction and Metric Dimensional Calculator Get professional results every time with this handy and easy-to-use tool for projects involving measurements. Work in and convert between feet-inch-fractions, decimal feet-inch-fractions, yards, meters, centimeters and millimeters as well as areas and volumes. Quickly solve circumference, circle area, and arcs. Work in and convert between dimensions, including metric Linear, area and volume measurements; square-up and perimeter Find weight and weight per volume Instant solutions for circle area, circumference, arcs and more Board feet Solve unit cost and pricing For Designers, Craftsmen, Tradespersons, Fabricators, Woodworkers and Technicians Learn more about this product here: Measure Master Pro Intro and How To Use Dimensional Math and Conversions Work in and convert between yards, feet, inches, fractions, decimal feet - inches, meters, centimeters, millimeters - including area and volume Find weight per volume: tons per cubic yard, pounds per cubic yard, pounds per cubic feet, metric tons per cubic meter, kilograms per cubic meter Built-in Time Saving Solutions Length, width, height keys solve for linear, area, volume and perimeter dimensions Area: calculates square yards, feet, inches, millimeters, centimeters and meters Volume: calculate cubic yards, feet, inches, millimeters, centimeters and meters Weight: work in and convert between pounds, tons, kilograms and metric tons Circular: instant solutions for circumference, circle area and arcs Board Feet: quickly find board feet for lumber estimates Added Features Cost per Unit: Solve unit cost and pricing "Paperless" Tape: Review last 20 entries; double-check totals Standard Calculations: works as a standard math calculator with +, -, +/-, ×, ÷, %, π, 1/x, x2, and √. User Set Preferences: store preferred fractional values and dimensions Includes Protective hard slide cover Easy-to-follow Pocket Reference Guides in English and Spanish Long-life batteries One-Year Warranty Tech Specs Size 5.6" x 3.0" x 0.6" (143 mm x 76 mm x 16 mm) Product Weight 4.5 oz. (128 grams) Power Two 1.5-volt LR44/A76 long-life batteries Display Type 11 digits (7 normal, 4 fractions) Display Dimensions 0.625" x 2.5" (16 mm x 64 mm) Accuracy 10 digit internal accuracy