8mm = 0.026 feet.
o.31 inch
1" = c. 25.4mm 8mm=8/25.4=40/127"
8mm*10mm = 80mm or 8cm
5/16'' or 8mm
They grow about 8mm, but if in a very good and big environment, they can grow up to 20mm.
Either use an 8mm projector to view them on the 'big screen' - or - get them converted to DVDs or VHS video.
For a small ruler . There are 15 cm in 1 ruler. wheras a big ruler has 30 cm in a ruler.
Depends on how big the ruler is. Sizes vary
about the length of a ruler
You do not specify if the 8 mm is the circumference, diameter or radius. Please clarify.
it means halfs