www.reference.com/science/5-9-inches-8f995a2f083eaf34

Five feet, 9 inches. or 5'9, is equivalent to 69 inches. Since 1 foot unit has exactly 12 inches, 5 feet equals 60 inches. Add 9 inches to 60, and you'll have 69 inches in total. How does that compare to your height? Here are a few interesting facts about heights.

www.reference.com/science/big-8-inches-f9f76a29d3b1a693

Eight inches is approximately the width of a standard sheet of notebook or printer paper. This length is also two-thirds of the length of a foot-long ruler.

www.reference.com/article/5-inches-small-8bc871da6d00a206

Whether something is small or large is a relative term; therefore, it is not possible to say in terms of absolutes whether 5 inches is small or large. For perspective, 5 inches is approximately the length of an iPhone 5.

www.reference.com/article/5-6-inches-48e8b05da695ec20

The measurement of 5 feet 6 inches is converted to 66 inches. There are 12 inches in a foot; 5 multiplied by 12 equals 60, then adding 6 inches results in the 66 inches.

www.reference.com/article/6-inches-small-6791a5c2cbec77c3

Size is relative; therefore, six inches can be small or large when compared to other lengths. Six inches is very close to, but slightly shorter than, the length of a dollar bill.

www.reference.com/article/long-inch-d7a6a7a53d81e1a1

An inch equals 1/12 of a foot and 1/36 of a yard in the U.S. customary and imperial measurement systems. It also equals 25.4 millimeters, or 0.0254 meters.

www.reference.com/world-view/shoe-size-39-c22bbe43cb1bfbe5

In men's shoes, a European size 39 is the equivalent of a size 5 to 5.5 in the United States. In women's shoes, a European size 39 is the same as a women's size 7.5 to 8.

www.reference.com/world-view/48-inches-feet-868ef99adc76d280

A measurement of 48 inches is equivalent to 4 feet. Converting from inches to feet can be done by dividing the number of inches by 12, as 12 inches is equivalent to 1 foot.

www.reference.com/article/39-prime-number-8966398edea6978a

The number 39 is not a prime number. The definition of a prime number states that it is a number that only has one and itself as factors. Because 39's factors are one, three, 13 and 39, it does not conform to the definition of a prime number.

www.reference.com/article/square-root-39-cfefba76b13b4b4c

The square root of 39 is 6.24. The square root of any number can be determined by plugging it into the equation x times x equals y. When solving this formula to find the square root of 39, the formula is 6.24 times 6.24 equals 39.