Millimeters in 1 foot?
1 foot (12 inches/1 foot)(2.54 centimeters/1 inch)
= 30.48 centimeters * 10
= 304.8 mm
about 500 million to 1 billion
20
20mm
10
3.8cm
1 mm = 1000 um
1 cm = 10 mm therefore the shelf is 450mm 450mm/9mm = 50 books
1 inch is how many mm?
1 mm = .1 cm
10 mm = 1 cm ⇒ 1 mm = 1/10 cm =
Direct Conversion Formula 1 mm* 1 in 25.4 mm = 0.03937007874 in
1 mm= 1/1000 km