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We covered how to convert centimetres to inches, but you may still wonder how to convert cm to fractional inches.
A centimetre (American spelling centimetre, symbol cm) is a length equal to one-hundredth of a metre, the current SI base unit of measurement. A centimetre is part of a metric system. It is the base unit in the centimetre-gram-second system of units. A corresponding team of the area is the square centimetre. An affiliated unit of volume is the cubic centimetre.
The centimetre is now a non-standard factor, in that factors of 103 are often preferred. However, it is a functional unit of length for many standard measurements. A centimetre is approximately the width of the fingernail of an adult person.
Use a simple formula to convert a centimetre measurement to an inch measurement. Since one inch is equal to 2.54 centimetres, this formula can be used to convert:
inches = centimeters ÷ 2.54
The length in inches is equal to centimetres divided by 2.54.
For example, here’s how to convert 5 centimetres to inches using the formula above.
5 cm = (5 ÷ 2.54) = 1.968504″
conversion scale showing centimetres and equivalent inches length values
We covered how to convert centimetres to inches, but you may still wonder how to convert cm to fractional inches.
Begin with the cm to inches conversion above to get the resulting decimal first, then round to the nearest fractional inch.
Take the number to the right of the decimal point from the decimal result, and multiply it by the level of precision you need. You can get round to the nearest 1/16, 1/32, or 1/64 inch.
For instance, to round to the nearest 1/16, take part to the right of the decimal and multiply it by 16. Then, round that result to get the numerator of the fractional inch measurement.
For example, follow these steps to find out how big 3 cm is in fractional inches.
Divide three by 2.54 to convert cm to inches.
3 cm ÷ 2.54 = 1.1811 in
Then, multiply the decimal remainder by
16.0.1811 × 16 = 2.8976
Round this to the nearest whole number; in this case, 2.8976 can be rounded to 3. Place this value in a fraction over 16, so 3/16 is the remaining fraction.
Put it all together by placing the whole number in the decimal in front of the fraction.
3 cm ≈ 1 3/16″
Our inch fraction calculator can add centimetres and inches together, and it also automatically converts the results to US customary, imperial, and SI metric values.
Centimetres and inches are both units used to measure length. Keep reading to learn more about each unit of measure.
an infographic showing how to convert centimetres to inches
One centimetre is equal to one-hundredth (1/100) of a meter, defined as the distance light travels in a vacuum in a 1/299,792,458 second time interval.
The centimetre, or centimetre, is a multiple of the meter, which is the SI base unit for length. In the metric system, “centi” is the prefix for 10-2. Centimetres can be abbreviated as cm; for example, 1 centimetre can be written as 1 cm.
Therefore, rulers typically have 30 cm, represented by 30 significant tick marks. To get a rough idea of the actual length of a centimetre, a standard pencil is just about 1 cm thick.
An inch is a unit of linear length measured equal to 1/12 of a foot or 1/36 of a yard. Because the international yard is legally defined to be similar to precisely 0.9144 meters, one inch is equal to 2.54 centimetres.
The inch is a US customary and imperial unit of length. Inches can be abbreviated as in; for example, 1 inch can be written as 1 in.
Inches can also be denoted using the ″ symbol, a double-prime. Often a double-quote (“) is used instead of a double-prime for convenience. A double-prime is commonly used to express 1 in as 1″.
A quarter is .955″ in diameter, smaller than 1.”
The standard ruler has 12″ and is a common measuring tool for inches. They are also often measured using tape measures, commonly in 6′ – 35′ lengths. Other measuring devices include scales, callipers, wheels, micrometres, yardsticks, and lasers.
We recommend using a ruler or tape measure for measuring length, which can be found at a local retailer or home centre. Rulers are available in imperial, metric, or combination with both values. And also, make sure you get the correct type for your needs.
Need a ruler? Try our free downloadable and printable rulers, including imperial and metric measurements.
11.5 Centimeters to Inches
11.5 cm = 4.52755905512 in
How to convert 11.5 centimetres to inches?
11.5 cm *0.3937007874 in = 4.5275590551 in 1 cm
The common question is, How many centimetres in 11.5 inches? And the answer is 29.21 cm in 11.5 in. Likewise, the question of how many inches in 11.5 centimetres has the answer of 4.5275590551 in 11.5 cm.
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