# What is a Unit?

A unit is a standard measurement whose multiples are used in determining quantity, e.g. an inch, degree, calorie, volt, or hour. (Dictionary object)

# Units in Small Basic

There are some different units used in Small Basic objects:

• Pixel - graphics dot unit
• Column - text horizontal character unit
• Row - text vertical character unit
• Year - 365 or 366 days
• Month - 28~31 days
• Day - 24 hours
• Hour - 60 minutes
• Minute - 60 seconds
• Second - 1000 milliseconds
• Millisecond - 1/1000 of a second
• Degree - angle unit (360 degree = 1 round)

And the following units don't have their names of units:

• Turtle Speed - 1~10
• Opacity - 0~100
• Color Value - 0~255

1. LocTeam says:

Math.Pi
is a unit ?

2. Yvan,

Pi as a unit? Yes, I think that makes sense.

3. litdev says:

pi is a dimensionless number (just like 23.8) and has no unit – it is the ratio of circumference to diameter of a circle.
In some circumstances you could argue pi is an angle with units of radian (pi radians = 180 degrees), but I think that would be ‘unusual’ and certainly pi is not a unit itself.

4. LocTeam says:

Hi Ed and Nonki !
finally , regarding this debate, i found this beautiful website: