decimeter, one tenth of one meter in length or depth

square decimeter in surface area, which is approximately 4 inches by 4 inches of surface area

Mega Pascals, one million Pascals
1 MPa = 145 PSI
1 Pascal = 1 newton of force per square meter in strength

milligram, one thousandth of one gram

microgram, one millionth of one gram

one thousandth of one inch in thickness
1 mil = 0.001 inches
1 mil = 0.0254 mm

milliliter, one thousandth of one liter (L)

millimeter, one thousandth of one meter
1 mm = 0.0394 inches

pound per square inch