# 48 inches in cm

**Standard units of measurements**

The standard units of measurement for the U.S Standard System are inches, feet, yards and miles. The Metric System commonly uses millimeters, centimeters, meters, and kilometers. In this article 48 inches will be converted.

**What is an inch?**

The inch (symbol: in) is a unit of length in the British imperial and the United States systems of measurement. It is equal to 1/36 yard or 1/12 of a foot. In the past standards for precise length of an inch were varied. Since adoption of the International Yard and Pound Agreement in the 1959 the inch has been based on the metric system and defined as exactly 25.4 mm.

**What is a feet?**

The foot (or feet; symbol: ft) is a unit of length in the British imperial and United States customary systems of measurement. Since the International Yard and Pound Agreement of 1959, one foot is equal to 0.3048 meters exactly. In both customary and imperial units, one foot (feet) comprises 12 inches. Historically this foot unit was a part of many local measurement systems, for example Greek, Roman, Chinese, French, and English. It varied in length and it its definition length was usually between 250 mm and 335 mm and was generally, but not always, subdivided into 12 inches.

**What is a yard?**

The yard (symbol: yd) is an English unit of length in both the British imperial and American systems of measurement equalling 3 feet or 36 inches. In conversion table 1 yard equals 0.9144 meters. Currently the yard is used as the standard unit of field-length measurement in American, Canadian and association football and also for cricket pitch dimensions.

There are corresponding units of area and volume, the square yard and cubic yard respectively. Yards are also used and are the legal requirement on road signs in the United Kingdom, and are also frequently found in conversation between Britons much like in the United States for distance.

**What is a mile? **

The mile, named also the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of distance; both are based on the older English unit of length equal to 5.280 English feet or 1.760 yards. The mile value was standardised between the British Commonwealth and the United States by the International Yard and Pound Agreement in 1959, when it was formally redefined with respect to SI units as exactly 1,609.344 metres.

**What is a centimeter?**

Etymological origin of value centimeter is established by two with different sources: Latin noun “centum” that can be translated as “hundred” and Greek word for “metron” which is synonymous with “measure”. A centimeter (*centimetre* in international spelling or *centimeter* in American spelling) is a unit of length, which is equal to one hundredth of a meter. In the International System of Units (SI) abbreviation for centimeter is *cm*. Centimeter is also equal 10 millimeters.

**Unit converter method**

Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors which change the measured quantity value without changing its effects.

**Simple multiplication – how many cm are in meter and kilometer**

When we multiply one millimeter lenght ten times we receive one centimeter. The conversion factor is 10 or its multiple. Meter equals 1 cm multiplied 100 times. To calculate 1 kilometer, a unit called a meter has to be multiplied 1000 times. Equivalent of 1 cm in conversion table can be also presented as one thousandth of a kilometer. To remember that values we can present the calculations in below formula:

- 1 kilometer (km) equals 1000 meters (m)
- 1 meter (m) equals 100 centimeters (cm)
- 1 centimeter (cm) equals 10 millimeters (mm)

**How many centimeters are in one inch? **

There are 2.54 centimeters in one inch.

1 in = 2.54 cm

1 in = 25.4 mm

**Centimeters to inches converter**

As it’s clear now how many centimeters are in 1 in, it’s good to check how many inches are in a centimeter. As many conversions are looked up in internet, this one is not so popular.

1 cm = 0.39 in

Centimeters are inches fractions.

**48 inches to cm**

As 1 in = 2.54 cm. To convert 48 inches we have to multiple 2.54 by 48.

48 inches = 48 x 2.54 cm = 121.92 cm

Cm converter method is easy to use when we know basic values. 48 inches calculation can be an example for learning. Value 121.92 cm can be rounded to 121 cm or stay as it is – 121.92 cm. Other conversions can be made basing on converted values provided in this example.