You can convert units from inches to millimeters by multiplying the number of inches by 25.4. This conversion works because 25.4 millimeters is equivalent to 1 inch.

www.reference.com/article/convert-inches-millimeters-c0a57c35a7e603ee

To convert from millimeters to inches, divide the number of millimeters by 25.4. This yields the number of inches because 1 inch is equivalent to 25.4 millimeters.

www.reference.com/article/convert-millimeters-inches-dbc1a304e62e48fd

The inch is a unit of measurement for small distances used mainly in the United States. It is sometimes referred to as the empirical unit. The millimeter is a metric unit that is used internationally. The two units are n...

www.reference.com/article/convert-350-millimeters-inches-26ba3c7bd260d27a

To convert from millimeters to inches, divide the number of millimeters by 25.4. This yields the number of inches because 1 inch is equivalent to 25.4 millimeters.

www.reference.com/article/convert-millimeters-inches-dbc1a304e62e48fd

Cubic meters, which measure volume, are converted to tons, which measure mass, by multiplying the number of cubic meters of a substance by its density in units of cubic meters per ton. Density is a physical property defi...

www.reference.com/science/convert-cubic-meters-tons-fcdeee446d19aca3

To convert square inches to square feet, divide the number of square inches by 144 to get the same area in square feet.

www.reference.com/science/convert-square-inches-square-feet-d766b80782785768

Air pressure is measured by using a barometer, the value of which is given in varying units, including inches of mercury (in Hg) or millimeters of mercury (mm Hg), torr (Tor), bar or millibars (mb), pounds per square inc...

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