On the question of length units, all units of length

There is "filament" after millimeter 1 mm = 100 filament.

There are microns behind the filament: 1 filament = 10 microns.

Finally, there is nanometer 1 micron = 1000 nanometers.

A nanometer is not the smallest unit of length.

Picometer Picometer (or pm) is a unit of length, and 1 picometer is equivalent to 1 hundredth of a meter. Sometimes referred to as micromicrons in atomic physics

Conversion Relationship Nanometer (nm) = 1 picometer.

Femtometer Femtometer (or FM) is a unit of length, and 1 femtometer is equivalent to 10-15 meters.

The conversion relationship 001 nanometer (nm) = 1 femtometer nanometer is a unit of length with the symbol nanometer = 1 nanometer = 10 angstroms (i.e., one billionth of a meter), which is about the length of 10 atoms. Suppose a hair is millimeters in diameter and cut it radially into an average of 50,000 strands, each of which is about 1 nanometer thick.

It can be seen that the current femtomi is the smallest.

1 parsec pc = 16 to the power (m) = astronomical unit) = light year is currently the largest unit of length.

The single meter, also known as the ym in English, is currently the smallest unit of length.

Light years, kilometers, meters, decimeters, centimeters, millimeters, nanometers, picometers, femtometers.

What are the commonly used units of length.

Vertical and vertical screens. From the Science Education Certification Team 2018-09-23The commonly used length units are millimeters (mm), centimeters (cm), decimeters (dm), kilometers (km), meters (m), microns (m), nanometers (nm) and so on. Units of length play an important role in various fields.

Conversion relationship: 1km (km) = 1 10 3m

1dm (decimeter) = 1 10 (-1) m

1cm (cm) = 1 10 (-2) m

1mm (mm) = 1 10 (-3) m

1dmm (silk meter) = 1 10 (-4) m

1cmm (m) = 1 10 (-5) m

1 m (micron) = 1 10 (-6) m

1nm (nm) = 1 10 (-9)m

What are the commonly used units of length.

Vertical and vertical screens. From the Science Education Accreditation Team 2018-09-23

Commonly used length units are millimeters (mm), centimeters (cm), decimeters (dm), kilometers (km), meters (m), microns (m), nanometers (nm) and so on. Units of length play an important role in various fields.

Conversion relationship: 1km (km) = 1 10 3m

1dm (decimeter) = 1 10 (-1) m

1cm (cm) = 1 10 (-2) m

1mm (mm) = 1 10 (-3) m

1dmm (silk meter) = 1 10 (-4) m

1cmm (m) = 1 10 (-5) m

1 m (micron) = 1 10 (-6) m

1nm (nm) = 1 10 (-9)m

Extended Information: Chinese Units:

The traditional Chinese units of length include li, zhang, ruler, inch, xun, yi, fu, yi, step, step, chang, arrow, feast, several, rail, pheasant, milli, centi, minute, etc. The basic conversion relationship is as follows:

1 zhang = 10 feet; 1 foot = 10 inches; 1 inch = 10 points; 1 point = 10 cents;

1 zhang meter; 1 ft decimeter; 1 inch cm;

1 kilometer (km) = 1000 meters; 1 meter (m) = 100 cm; 1 centimeter (cm) = 10 mm.

From the Science Education Accreditation Team 2018-09-23

Commonly used length units are millimeters (mm), centimeters (cm), decimeters (dm), kilometers (km), meters (m), microns (m), nanometers (nm) and so on. Units of length play an important role in various fields.

Conversion relationship: 1km (km) = 1 10 3m

1dm (decimeter) = 1 10 (-1) m

1cm (cm) = 1 10 (-2) m

1mm (mm) = 1 10 (-3) m

1dmm (silk meter) = 1 10 (-4) m

1cmm (m) = 1 10 (-5) m

1 m (micron) = 1 10 (-6) m

1nm (nm) = 1 10 (-9)m

The traditional length units in China include li, zhang, ruler, inch, etc.

1 li = 150 zhang = 500 meters.

2 li = 1 km (1,000 m).

1 zhang = 10 feet, 1 foot = 10 inches.

1 zhang = meter, 1 foot = decimeter, 1 inch = centimeter. Celery.

In the International System of Units, the standard unit of length is the meter, which is denoted by the symbol "m". 1960 11th International Conference on Weights and Measures: "The length of the meter is equal to the 1650763 of the wavelength of the radiation in a vacuum with a transition between the 2p10 and 5d1 energy levels of the Krypton 86 atom".

Other units of length include: light year, petameter (pm), megameter (mm), kilometer (km), decimeter (dm), centimeter (cm), millimeter (mm), silk meter (dmm), frank (cm), micrometer (m), nanometer (nm), picometer (pm), femtometer (fm), ami (am), etc. Their conversion relationship with the meter is as follows:

1 light-year = light-year).

1pm = 1 10 15m (pats)

1mm = 1 10 6m (megameters).

1km = 1 10 3m (km).

1dm = 1 10 (-1)m (decimeter).

1 cm = 1 10 (-2)m (cm).

1mm=1 10 (-3)m (mm).

1dmm = 1 10 (-4) m (silk meter).

1cmm=1 10 (-5)m

1 m = 1 10 (-6)m (microns).

1nm = 1 10 (-9)m (nm).

1pm=1 10 (-12)m (picomi).

1fm = 1 10 (-15)m (femtom).

1am = 1 10 (-18)m (ami).

Other. 1 millimetre millimeter = inch

1 centimetre cm = 10 mmMillimeter = inch inch.

1 decimetre decimeter = 10 cmCentimeters = inches inches.

1 metre meter = 10 dmDecimeters = yards yards = feet feet.

1 decametre 10 m = 10 mm = yards yards.

1 hectometre 100 meters = 100 mm = yards yards.

1 kilometre kilometer = 1000 mm = mile mile.

1 mile marin nautical mile = 1852 mm = mile mile.

1. The unit length is a reference standard set by people, and the unit length is the standard for reference, it has no fixed value, and the banquet may change according to the setting, not the actual length of the unit of measurement.

2. The commonly used units of length are millimeters (mm), centimeters (cm), decimeters (dm), meters (m) and kilometers (km).

1. Millimeter, also known as millimeter (or meter), is a unit of length and rainfall, the English abbreviation millimeter is equivalent to 1 centimeter, 100 millimeters is equivalent to 1 decimeter, and 1000 millimeters is equivalent to 1 meter (this is the literal meaning of milli).

2. Centimeter is a unit of measurement for length, which is equal to one hundredth of a meter. The unit of length, abbreviated as cm, 1 cm = 1 100 meters. 1cm (cm) = 10mm (mm) = dm) = m).

3. The decimeter (English name decimetre, dm) is one of the metric units of length, and 1 decimeter is equal to one-tenth of 1 meter. Ten centimeters is equal to one decimeter, and ten centimeters are equal to one meter.

Unit lengths are millimeters (mm), centimeters (cm), decimeters (dm), kilometers (km), meters (m), microns (m), nanometers (nm), and so on.

To understand the unit of length, we must first understand its superordinate concept - the unit. The Modern Chinese Dictionary explains "unit" as the name of a standard quantity for measuring things.

In measurement, a certain quantity of the same quantity is used as the reference quantity, and the number of times the known quantity is equivalent to the reference quantity is determined, and the reference quantity is called the unit.

For example, centimeters are the units of measuring length, grams are the units of measuring mass, and seconds are the units of measuring time. As an example of mathematics, it can also be said that 1 is the unit of natural numbers and a fraction with a numerator of 1 is the unit of fractions.

When measuring the length of a line segment, it is necessary to select a certain line segment as the measurement standard, and specify its length as 1, and call this line segment a length unit. There are many units of length, the main unit is the meter, and the rest are derived units of the Huize. When measuring, choose the appropriate length unit according to the actual needs.

For example, the length of the runway is measured in meters, the distance between two cities is measured in kilometers, and the distance of the long jump is measured in centimeters, and so on.

In the International System of Units, the standard unit of length is the meter, which is denoted by the symbol "m". 1960 11th International Conference on Weights and Measures: "The length of the meter is equal to the multiple wavelengths of the radiation in a vacuum for the transition between the 2p10 and 5d1 levels of the Krypton 86 atom".

Since 1983, the length of a meter has been defined as "the distance traveled by light in a vacuum in 1 299792458 seconds". The unit of length adopted in China is consistent with the International System of Units, that is, "meter" is used as the legal unit of length measurement in China.

1. The length of a unit;

2. Unit 1 is a reference standard set by people, and the unit length is the standard for reference, it has no fixed value, and changes according to the setting, not the actual length of the measurement unit. For example, the unit length can be one meter, one decimeter, etc.;

3. The distance from the origin to the number 1 is not a specific length measurement standard.

The unit of length refers to the basic unit of measuring the distance in space, and it is the basic unit of early debate formulated by human beings in order to standardize the length. Its SI unit is "meter" (symbol "m"), and the commonly used units are millimeters (mm), centimeters (cm), decimeters (dm), kilometers (km), meters (m), microns (m), nanometers (nm) and so on.

Units of length play an important role in various fields.

The traditional unit of length in our country.

The traditional length units in China include li, zhang, ruler, etc.

1 li = 150 zhang = 500 meters, 2 li = 1 kilometer (1000 meters) 1 zhang = 10 feet, 1 zhang = meters, 1 foot = decimeters.

An international standard unit of length.

In the International System of Units, the standard unit of length is the meter, which is denoted by the symbol "m". These units of length are all metric units.

Imperial unit of length.

A small number of European and American countries, mainly the United Kingdom and the United States, use imperial units, so the length units they use are different, mainly miles, yards, feet, and inches.

Mile: 1 mile = 1760 yards = 5280 feet = kilometers.

yard (yard, yd) 1 yard = 3 feet = meters.

Fathom (f, fath, fa, ftm) 1 fathom = 2 yards = m.

Furlong 1 wave = 220 yards = m.

Feet (foot, ft, plural: feet) 1 foot = 12 inches = centimeters.

Inch (inch, in) 1 inch = centimeter.

Problem 1: All units of length in the world. Astronomical (light years), metric (meters, km,), nautical (nautical miles), municipal systems (zhang, ruler, inch).

Imperial (Blink Cover Beer....

Question 2: The advance rate of all length units is a lot Commonly used length units are meters, decimeters, centimeters 1 meter = 10 decimeters, 1 decimeter = 10 centimeters The advance rate between two adjacent length units is 10).

Volume units: cubic meters (m 3), cubic decimeters (dm 3), cubic centimeters (cm 3), cubic millimeters (mm 3), liters (l, sometimes also written l), milliliters (ml, sometimes also written ml).

1m^3＝1000dm^3，1dm^3＝1000cm^3，1cm^3＝1000mm^3，1dm^3＝1l，1cm^3＝1ml，1l＝1000ml。

1000 advance rate between microseconds, milliseconds, and seconds.

That is, 1 second = 1000 milliseconds = 1000000 microseconds.

60 advance rate between seconds, minutes, hours.

That is, 1 hour = 60 minutes = 3600 seconds.

24 advance rates between hours and days.

1 day = 24 hours.

days, years between the general 365 advance rate.

1 year = 365 days.

Units The rate of advance between each unit of weight.

Microgram Microgram, unit of mass, symbol G (English: microgram).

1 microgram is equal to one millionth of a gram (10-6 grams).

1,000 mcg = 1 mg.

1,000,000 mcg = 1 g.

1,000,000,000 micrograms = 1 kilogram.

Milligram A milligram, a mass unit, is one thousandth of a gram.

1 mg = 1 000 mcg.

1 000 mg = 1 gram.

1 000 000 mg = 1 kg.

The symbol g is equal to one thousandth of a kilogram. The weight of one gram is about the same as the mass of one cubic centimeter of water at room temperature, which is about the mass of a swastika folder.

1 ton = 1,000,000 grams.

1 kg = 1,000 grams.

1 mg = gram.

1 mcg = 001

Kilogram is also known as kilogram, which is the international basic unit of mass with the symbol kg.

Definition The mass of an international kilogram prototype (cylinder) made of platinum-iridium alloy with a base diameter of 39 mm and a height of 39 mm is specified as 1 kg. It is currently housed in the International Bureau of Weights and Measures in Paris, France.

Unit conversion 1 kg = ton.

1 kg = 1,000 grams.

1 kg = 1,000,000 mg.

1 kilogram = 1,000,000,000 micrograms.

Ton is a unit of mass measurement with the symbol t or t.

1 ton 1000 kg.

The rate of progress between two adjacent area units is 100, except for 10,000 square meters and hectares

1 square decimeter = 100 square centimeters.

1 square meter = 100 square decimeters.

1 hectare = 10,000 square meters.

1 square kilometre = 100 hectares.