The millimetre (SI symbol: mm; international spelling) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, the SI base unit of length.
Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second.
As the name suggests, a millimeter is equal to one thousandth of a meter, making it a very small unit of measurement. To put the size of a millimeter into perspective, it is roughly the thickness of a credit card or the diameter of a standard paperclip.
We use millimeters to measure small objects more precisely than inches. For example, you might measure the width of a book or paperclip in millimeters. It’s easy to convert millimeters to centimeters. That’s because millimeters actually make up centimeters!
A millimeter (mm) is a very small unit of length in the metric system, equal to one-thousandth of a meter. It is about the thickness of a dime or a paperclip wire.
The meaning of MILLIMETER is a unit of length equal to 1/1000 meter.
A millimeter can be defined as a metric unit used to measure the length of small or tiny objects such as measuring lines, the length of a pencil tip, etc. The word is usually expressed as 'mm' and is considered to be equal to one-thousandth of a meter.
The millimeter, abbreviated as mm, is a fundamental unit of length within the metric system. It represents a small, precise measurement that is widely used in technical fields and everyday life, from engineering blueprints to home improvement projects.