Some commonly used measuring units - gross, dozen, quire, sheets ..
1 dozen = 12 units
1 gross = 12 dozen = 144 units
1 great gross = 12 gross = 144 dozen
1 quire = 24 sheets
1 ream = 20 quires = 480 sheets
1 score = 20 units
1 ream printing paper = 500 sheets
Basics - The SI-system, unit converters, physical constants, drawing scales and more
Unit Converter with commonly used Units - Common converting units for Acceleration, Area, Density, Energy, Energy per unit mass, Force, Heat flow rate, Heat flux, Heat generation per unit volume and many more
Search Engineering ToolBox
the most efficient way to navigate the Engineering ToolBox!
We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.
Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.