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The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr. Thus, the outer diameter of a catheter in millimeters can be calculated by dividing the French size by 3. [2]
Inches are commonly used to specify the diameter of vehicle wheel ... (with a reference temperature of 68 degrees Fahrenheit) and the UK inch at 25.399977 mm (with a ...
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2]
Example (inch, coarse): For size 7 ⁄ 16 (this is the diameter of the intended screw in fraction form)-14 (this is the number of threads per inch; 14 is considered coarse), 0.437 in × 0.85 = 0.371 in. Therefore, a size 7 ⁄ 16 screw (7 ⁄ 16 ≈ 0.437) with 14 threads per inch (coarse) needs a tap drill with a diameter of about 0.371 inches.
Calibers in the size range of (mm, inches): 2 mm (.079+ caliber) 3 mm (.118+ caliber) 4 mm (.157+ caliber) 5 mm (.197+ caliber) 6 mm (.236+ caliber) 7 mm (.276+ caliber)
3.643 Mm – diameter of Io, a moon of Jupiter; 4.821 Mm – diameter of Callisto, a moon of Jupiter; 4.879 Mm – diameter of Mercury; 5.150 Mm – diameter of Titan, the largest moon of Saturn; 5.262 Mm – diameter of Jupiter's moon Ganymede, the largest moon in the Solar System; 6.371 Mm – radius of Earth; 6.792 Mm – diameter of Mars
Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is between 1 meter to 1 millimeter.. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.