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decimal inches to fraction inches
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From Wikipedia
Square inch
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches:
 square in
 sq inches, sq inch, sq in
 inches/2, inch/2, in/2
 inches^2, inch^2, in^2
 inchesÂ², inchÂ², inÂ²
The square inch is a common unit of measurement in the United States and the United Kingdom.
Equivalence with other units of area
1 square inch (assuming an international inch) is equal to: (the overbars indicate repeating decimals)
 square feet (1 square foot is equal to 144 square inches)
 square yards (1 square yard is equal to 1,296 square inches)
 square centimetres (1 square centimetre is equal to square inches)
 square metres (1 square metre is equal to square inches)
From Yahoo Answers
Question:Got a spec for a guitar neck 1.8 inches wide 
what is .8 of an inch? In 8th's or 16ths or some normal inch measurement. Or what is 1.8 inches in metric measurement?
8 tenths of an inch makes no sense to me....thanks for your help:)
Answers:If we work with fraction and decimals at the same time we always are in trouble so lets get a common denominator that is useful..... there are 1.6 sixteenths in a tenth of an inch in an inch there are small increments of 1/16Th inch each one is equal to .0625 " in its decimal equivalent. so 1.8 inches is 1 whole inch and .8/.0625=12.8..16Th's now we both know that .8... 16Th's is a rather hard unit to calculate but in our decimal world lets go one more step 1/32=.03125 1/64=.015625 1/128 =.0078125=102.4 128Th's =102/128=51/64=about 13/16 wiTh a rounded remainder whew!!!!! Well we are right back were we started....at 12.8 16ths so in a decimal world .8 and 1/16th is a pretty weird conversion right... now lets look at metric because both use 10 as the root.. 2.54 cm =1 in so 1.8" =2.54 * 1.8=4.572cm this is a lot easier for me anyway...but in building things like furniture or guitar necks or some other object were creativity is involved the fractional miscalculation you might have at the 1/128thinch level is not worth your time. Most Luthiers use a template and forms that are only good to 1/32 " and worry about the "feel & fit " more than the actual measurement.... in 8tenths of an inch there are 12.8 sixteenths use 12.5 and you have 25/32 use 13/16 and sand it down to fit...Your choice ....Well there you go from the E.....
Answers:If we work with fraction and decimals at the same time we always are in trouble so lets get a common denominator that is useful..... there are 1.6 sixteenths in a tenth of an inch in an inch there are small increments of 1/16Th inch each one is equal to .0625 " in its decimal equivalent. so 1.8 inches is 1 whole inch and .8/.0625=12.8..16Th's now we both know that .8... 16Th's is a rather hard unit to calculate but in our decimal world lets go one more step 1/32=.03125 1/64=.015625 1/128 =.0078125=102.4 128Th's =102/128=51/64=about 13/16 wiTh a rounded remainder whew!!!!! Well we are right back were we started....at 12.8 16ths so in a decimal world .8 and 1/16th is a pretty weird conversion right... now lets look at metric because both use 10 as the root.. 2.54 cm =1 in so 1.8" =2.54 * 1.8=4.572cm this is a lot easier for me anyway...but in building things like furniture or guitar necks or some other object were creativity is involved the fractional miscalculation you might have at the 1/128thinch level is not worth your time. Most Luthiers use a template and forms that are only good to 1/32 " and worry about the "feel & fit " more than the actual measurement.... in 8tenths of an inch there are 12.8 sixteenths use 12.5 and you have 25/32 use 13/16 and sand it down to fit...Your choice ....Well there you go from the E.....
Question:I have USmade blueprints using the inch measurements system. My mill use metric system (wheels are calibrated in millimeters). Using the commonly used conversion value (1 inch = 25,4 millimeters), will my parts be compatible with the inchbuilt version ? thanks !
Answers:1 inch = 25,4 mm is not only the "commonly used" conversion, it is the EXACT conversion. Also important is the tolerances on the parts you are making. If the blueprints specify +/ 0,001 inch tolerances, and you use +/ 0,1 mm, the parts are not going to fit. As for the pre1959 inch, I would be surprised if your application cares about the difference between 25,4 mm and 25,400 051 mm. As I am sure you know, the U.S. convention is to use the period to separate the whole and decimal parts of the numbers. European convention is the use the comma.
Answers:1 inch = 25,4 mm is not only the "commonly used" conversion, it is the EXACT conversion. Also important is the tolerances on the parts you are making. If the blueprints specify +/ 0,001 inch tolerances, and you use +/ 0,1 mm, the parts are not going to fit. As for the pre1959 inch, I would be surprised if your application cares about the difference between 25,4 mm and 25,400 051 mm. As I am sure you know, the U.S. convention is to use the period to separate the whole and decimal parts of the numbers. European convention is the use the comma.
Question:an inch in centimetres is 2.54 cm i need the next 4 numbers after the .54
Answers:That is exact, actually.
Answers:That is exact, actually.
Question:Does a P205/50R/16" tire have the same circumference as a
P195/60R/15; tire. Involves how many miters are in one inch. Approximately 24.5 or 25.4 Which is correct.
rince as a
P195/60R/15" tire ?.
Answers:25.4 exactly. your 195/60 r15 is 7.68" wide, with a 24.21"diameter. thats theoretically what it is, but the actual tire could vary greatly.
Answers:25.4 exactly. your 195/60 r15 is 7.68" wide, with a 24.21"diameter. thats theoretically what it is, but the actual tire could vary greatly.
From Youtube
Math Lessons : How to Convert Inches Into a Fraction :When converting inches into fractions, it helps to remember that inches are closely related to feet. Convert 42 inches to 3 1/2 feet with help from a math teacher in this free video on basic math lessons. Expert: Jimmy Chang Bio: Jimmy Chang has been a math teacher at St. Pete College for nearly a decade. He has a master's degree in math, and his specialties include calculus, algebra, liberal arts, math and trigonometry. Filmmaker: Christopher Rokosz