What are the 10 cm references in everyday life?

Common ten-centimeter objects in life are: fountain pens,Compass, triangular ruler, small picture book, fruit knife, mobile phone, etc.

The length of 10 cm is equivalent to the diagonal of the bank card.

Length, the bank card design stipulates that the diagonal length of the bank card is 10 cm.

The minimum scale of a general ruler is millimeters, 1 centimeter = 10 millimeters = 10,000 microns = 10,000,000 nanometers = decimeters = meters = kilometers.

The traditional unit of length in our countryThe traditional length units in China include li, zhang, ruler, etc.

1 li = 150 zhang = 500 meters.

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

1 zhang = 10 feet, 1 zhang = meters, 1 foot = decimeters, the international standard unit of length.

International System of Units.

, the standard unit of length is "meter", which is represented by the symbol "m". These units of length are all metric units.

In everyday life, we can use the following common 10 cm references:

Pencil: A standard length pencil is usually 10 cm and can be used to estimate the length of other objects.

Mobile screens: Some mobile screens have a diagonal length of 10 cm and can be used as a reference to compare the size of other objects.

Bus tickets: Some bus tickets are about 10 centimeters wide and can be used to measure the size of other sheets.

cd or ***: The standard cd or *** diameter is usually 12 cm, subtracting two centimeters from its diameter gives a length of 10 cm.

Standard ruler: A standard ruler usually contains a 10 cm scale that can be used directly to measure the length of other objects.

Key: Some standard door locks have a key length of about 10 cm, which can be used as a reference to estimate the size of other objects.

A standard piece of paper: A4 paper has a width of 21 cm, and a length of 10 cm can be obtained by using half of its width as a reference.

Hotel tissue packaging: Some hotel tissue packaging is about 10 cm wide and can be used as a reference to estimate the size of other objects.

Chopsticks: A standard pair of chopsticks is usually 25 cm in length, and a quarter of its length as a reference gives a length of 10 cm.

Short ruler: Some household rulers have a length of 10 centimeters, and they are used directly to measure the length of other objects.

Please note that the accuracy of these references may vary, so it is best to use a professional measurement tool when precise measurements are required. These references are mainly used for simple tasks such as daily estimation and size comparison.

In everyday life, there can be many kinds of 10cm references, and here are some common examples:

A 10cm coin: A coin is a common currency that is often used for trading and storing value.

A 10cm pencil: A pencil is a common stationery used for writing and drawing.

A 10cm ruler: A ruler is a tool for measuring length, usually used to measure the length of objects such as paper, cloth, etc.

A 10cm needle: A needle is a common tool used for sewing, embroidery, etc.

A 10cm key: A key is a common item used to open door locks, boxes, etc.

A 10cm pen: A pen is a common stationery used for writing and drawing.

A 10cm pen holder: A pen holder is a container used to store pens, usually used in the office or at home.

A 10cm refill: A refill is a part of the pen that is used for writing and drawing.

A 10cm barrel: The barrel is the part of the pen that supports the refill and nib.

A 10cm pen holder cap: A pen holder cap is a container lid used to store pens, usually used in the office or home.

Rulers, pill boxes, and books are basically fine.

Common 10-centimeter objects in life include: pens, compasses, triangular rulers, small picture books, fruit knives, mobile phones, etc.

The length of 10 cm is equivalent to the diagonal length of the bank card, and the design of the bank card stipulates that the diagonal length of the bank card is 10 cm.

The minimum scale of a general ruler is millimeters, 1 centimeter = 10 millimeters = 10,000 microns = 10,000,000 nanometers = decimeters = meters = kilometers.

There are a lot of objects that are 10 centimeters long and can only be spotted if you look closely.

10 centimeters (cm) = 3 inches.

10 cm is generally the width of a palm. Same length as a regular paper towel.

1. The measurement of length is the most basic measurement, and the most commonly used tool is the scale.

2. The SI unit of length is the meter (m), and the commonly used units are kilometers (km), decimeters (dm), centimeters (cm), millimeters (mm), microns (m), nanometers (nm), etc.

3. When converting the unit of length, multiplication is used for small units to large units, and division is used for large units for small units.

4. The ruler should be placed along the measured length, and the edge of the ruler should be aligned with the measured object, which must be placed positively and overlapping, and should not be skewed.

5. Do not use the worn zero tick mark, if another whole tick mark is taken as the zero tick line due to the wear of the zero tick line, do not forget to subtract the scale value of the replaced zero tick in the final reading.

Centimeter 10 mm 10000 μm 10000000 nm decim m km.

In daily life, 10 cm references include mobile phones, bank cards, etc. There are a lot of objects that are 10 centimeters long and can only be spotted if you look closely. 10 cm = 3 inches.

10 cm is generally the width of a palm. Same length as a regular paper towel.

1. Mobile phones, now basically everyone has a mobile phone of their own. The creation of swiping mobile phones is actually not far away from us, about 10 years or so. At first, the length of each sliding phone was only about 4 inches.

And slowly, due to the rapid development of technology, the length of each mobile phone is at least more than an inch.

2. Bank card, each bank card is rectangular in its graphics, so the length of the two diagonals of each bank card is the same, if you take a 5 cent banknote to measure the diagonals of the bank card, you will find that in fact, the length of the two diagonals of the bank card and the length of the 5 cents are basically the same, so the length of the diagonals of the bank card is actually about 10.

To understand the unit of length, we must first understand its superordinate conceptual unit. The Modern Chinese Dictionary explains a 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. 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.

The 10-centimeter reference has a dollar coin, a 5-inch mobile phone, a bank card or ID card, a lighter, etc。The most convenient is still our palm, and the width of the palm with the thumb is 10 cm. There is also a lighter for daily use that is about 9 centimeters long, which is 10 centimeters the width of a small thumb.

The centimeter is a metric unit, which is what we usually call the centimeter, and the unit of measurement is a measure that people choose to measure a certain type of measurable size, and its value is determined by the definition of the unit.

Ten centimeter reference introduced

The diameter of a one-yuan coin is centimeters, so the four one-yuan coins are lined up together is 10 centimeters, and there is a more direct one that the diagonal of our ID card is actually 10 centimeters, but the most convenient is our palm, plus the width of the palm of the thumb is 10 centimeters.

A 5-inch mobile phone is actually not very long in our daily life. The length of the 5-inch mobile phone is about 11 or more, and the difference between 10 is not very huge, if it is within the margin of error, the 5-inch mobile phone is about 10, so in addition to the length of 4 side-by-side coins is equal to 10, the length of the 5-inch mobile phone is also equal to 10.

If you take a 5 cent banknote to measure the diagonal of the bank card, you will find that in fact, the length of the two diagonals of the bank card and the length of the 5 cents are basically the same, so the length of the diagonal of the bank card is actually about 10.

There are many objects with a length of one centimeter in life, and too many things such as food, stationery, tools, toys, etc. are one centimeter in length.

The centimeter is a unit of measurement of length, equal to one hundredth of a meter, and the English symbol is abbreviated: cm, 1 centimeter = 1,100 meters. 1cm (cm) = 10mm (mm) = dm) = m).

The International System of Units (SI) has chosen seven quantities that are independent of each other as the basic quantities, the first of which is length. Its base unit name is the meter, the symbol is m, and the centimeter is not an SI unit. About the unit conversion of centimeters:

1 cm = 10 mm = 10,000 microns = 10,000,000 nanometers = decimeters = meters = kilometers.

Related information

The unit of length refers to the basic unit of measuring the distance in space, and it is the basic unit 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), micrometers (m), nanometers (nm), and so on.

As early as the Shang Dynasty, China began to have an ivory ruler, Qin Shi Huang unified the system of weights and measures, and there was a germ of interchangeability, which has been confirmed by the crossbow machine of the arrow family unearthed from the Terracotta Warriors and Horses, the eighth wonder of the world. Around 1600 A.D., China began to develop length and timing measurement. The basic unit of length measurement, that is, geometric measurement, is the meter.