Measurement Conversion
- 254 (mm = in x 25.4)
10 inches is the same length as __________ mm. - .254 - 2.54 - 25.4 - 254
- 0.0675 km (mm -> km: 6 digits left)
67,500 millimeters is equal to how many kilometers? - 67.5 km - 6.75 km - 0.0675 km - 0.00675 km
- 3.0 (in = mm/25.4) 76.2mm/25.4 = 3in
76.2 mm is equal to __________ inches. - 3.5 - 3.2 - 3.0 - 2.5
- 0.640 inches (mm -> in: mm/25.4) 16.256mm/25.4 = 0.640in
A metric micrometer showing 16.256 mm equals __________. - 0.6635 inches - 0.064 inches - 6.400 inches - 0.640 inches
a) start with your number in whole feet and inches b) multiply whole feet by 12 c) add inches d) multiply by 25.4mm
Convert feet to millimeters
fraction inches = whole # + (f1/f2) ex: 2 3/16 2+(3/16) 2+(0.1875) = 2.1875in
Convert fraction inches into decimal inches
move digits right cm -> mm: 1 digit right m -> mm: 3 digits right km -> mm: 6 digits right
Convert from larger SI Unit to mm
kg x 2.2 = lb
Convert kg to lb
move digits left mm -> cm: 1 digit left mm -> m: 3 digits left mm -> km: 6 digits left
Convert to larger SI Units from mm
- 0.75 in
How would 3/4 in. be written in decimal units? - 1.33 in - 0.133 in - 0.57 in - 0.75 in
- 60 lbs (1lb = kg x 2.205) 27.3kg x 2.205 = 60.1965lbs
If a box of parts weighs 27.3 kilograms, how many pounds does it weigh? - 60 lbs - 50 lbs - 25 lbs - 75 lbs
- Fractional-inch units
In what units are US products often dimensioned? - Decimal-inch units - Fractional-inch units - SI units - None of the above
- Conversion table
The easiest methods of converting fractional inches to decimal inches are to use a calculator or a(n) __________. - Slide rule - Conversion table - Rule marked in both fractions and decimal inches - Estimate
- 25.4
To convert from inches to millimeters, multiply the inches by __________. - 2.5 - 0.612 - 25.4 - 1.6
- Millimeters to inches (1mm = inches x 25.4)
What is the most basic SI to US customary unit conversion? - Millimeters to inches - Meters to inches - Kilograms to pounds - Grams to pounds
- Convert feet to inches, then convert the inches to millimeters
What must be done to convert feet to millimeters? - Convert feet to inches, then convert the inches to millimeters - Convert feet to meters, then convert the meters to millimeters - Multiply the number of feet by 25.4 - Feet cannot be converted into millimeters
- 1.6875 inches a) 3/8in = 0.375in b) 2.0625 - 0.375 = 1.6875in
What will be the final width of a part designed at a width 2.0625 inches and reduced by 3/8 of an inch? - 1.625 inches - 1.6875 inches - 1.725 inches - 1.6750 inches
