You can use this to convert inches to decimal or millimeters. The inch fraction to decimal and metric chart below shows equivalent length measurements in fraction, decimal, and metric up to one inch in 1⁄ 64” increments. You can also use a fraction to decimal calculator or the chart below. Divide the top number (numerator) by the bottom number (denominator) to find the value in inches as a decimal. Then, put the fractional inches next to the whole inches for the final result.Ĭonverting an inch fraction to decimal inches is as easy as dividing the fraction. Then, round that to get the numerator of the inch fraction.įinally, place the numerator over the level of precision, 16 in this case. Then, take the remaining portion of the decimal to the right of the decimal point and multiply it by the level of precision you need (e.g., 1/16, 1/32, or 1/64).įor instance, to round to the nearest 1/16, take the decimal portion and multiply it by 16. Separate the whole number from the decimal these are the whole inches. To convert decimal inches to an inch fraction, you’ll need to round the decimal portion to the nearest fractional inch. When you’re working with larger measurements, you can use our feet and inches calculator to add or subtract feet and inch fractions. Instead, it is necessary to find the nearest fraction with the denominator that is a power of 2, also known as a dyadic fraction or dyadic rational number. That means the fraction denominators will be 2, 4, 8, 16, 32, and 64.Īs a result, converting a decimal to an inch fraction is not quite the same as converting a decimal to a regular fraction. Inch fractions use denominators that are powers of 2 and go up to the 64th of an inch. When inches are expressed as a fraction, there are some special rules to follow, which are important to know to convert a decimal to inches correctly. Measurements in inches can be expressed as a decimal or a fraction. In the end, combine both pieces.Save on Pinterest Save Share on Facebook Share Share on Twitter Tweet How to Calculate Inch Fractions … or rewrite the integer part at the beginning and simply convert the decimal part to a fraction. For the fractional part, use the modulo operator over the numerator with the denominator as a divisor. There are two ways of doing so:ĭivide the numerator and the denominator, and take the integer part of the result. You can check it with this decimal to fraction calculator if you aren't convinced yet! You can write your decimal in several different ways, and it doesn't change the outcome of transforming it into a fraction.Īdditionally, you can convert the outcomes from an improper fraction to a mixed number. Great! a a a and b b b are precisely the same. Working out fractional exponents is more straightforward with fractions than with decimals. Writing the same number in its fractional form gives us the exact value. Although decimals may feel more natural for writing, a few problems could arise sooner or later.įor example, by using rational numbers, we are sometimes forced to round values at some point, depending on how many significant figures we need to use. We use numbers in everyday life, both decimals and fractions.
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