80 inch is how many feet-inch?
Answer: 6 feet + 8 inches
1 inch is equal to 0.0833333 feet: 1 inch = 0.0833333 feet
How to convert 80 inch to feet-inch?
We have: 1 feet = 12 inches
80 inch = ? feet + inchfeet = ⌊80⁄12⌋ = 6 ft inches = 80 - 12 × 6 = 8 in
The answer is 6 Feet + 8 Inch
The adding informations:
A Inch is a metric unit which is used to measure the length of objects and small distances. Moreover, it is defined as the unit of length in the International System of Units (SI) as well. The symbol of Inch is inch.
A brief history of The International System of Units (SI):
The length of an object is the distance from one point of that object to another point of it. It simply provides how long the object is.
A long time ago, the human body was used as the reference for the length, such as foot, inch, yard. The method for determining base units of length has changed significantly over time.
Back in time, there are no standar system of measurement and it made many difficulties in trading between nations. To solve that problems, a group of French scientists had invented The International System of Units (SI) in an effort to make a standard measurement system. The metric system was not successful at the first time. Napoleon eliminated it in 1812, and it was only reinstated in 1840.
It took more than three-quarters of a century after its official adoption in France for leaders from 17 countries to sign the worldwide Treaty of the Meter in 1875, thus standardizing metric systems was used around the world.