How Many Inches Is 6'x3'?

(6 ft)(3 ft) = 6*3 ft² = 18 ft²18 ft² = (18 ft²)*(12 in/ft)² = 18*144 in² = 2592 in²

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I find it helpful to keep the units with the numbers. That way you don't end up with a meaningless number at the end of your calculation. The units multiply and divide just like variables do.

So let me get this straight. 6x3 is 18. That could be square footage or what ever. It is 18. Then to find the inches in 18 feet you would need to multiply 18x12. The answer is 216. Where did you get 144?
If you find the inches in both 6 and 3 you would have 72x36 and that = 2592 inches. WTF? I know who will know this one. He'll make a comment on here and tell us all how to do it.

Although the answer might be the area, which is 2592 square inches.