Sonin DT210 Inchmate PRO Measurement Conversion Calculator Measures feet, inches, fractions, yards, meters, centimeters, millimeters, including square, cube, plus board feet for construction work, landscaping, electrical work, and more Paperless tape allows up to recorded 20 entries for reviewing figures and measurements Converts all metric and imperial measurements including square and cube for international compatibility Long lasting lithium battery for optimal reliability Protective case for convenient transport and longer life