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I NEED THE SIMPLE MANS MATHEMATICLE FORMULA,NOT PIE SQUARE AND SUPER BRAIN STUFF.BE MY HERO AND LET ME KNOW.

2007-05-02 14:32:01 · 9 answers · asked by curious_goods_antiques 2 in Science & Mathematics Engineering

ok,now i know how to do it so how do i turn square inches into gallons?

2007-05-02 14:51:25 · update #1

i know that a gas drum holds 55 gallons,the drum i am speaking of is a mass storage and is bigger than 55 gallons.

2007-05-02 15:41:48 · update #2

9 answers

Simple man's formula:
Measure diameter in inches, call it D.
Measure height in inches, call it H.
Multiply DxDxH and divide by 294.
Result is gallons.

There are 231 cubic inches in a gallon. This is included in the formula, along with pi.

Note:
Simplified formulas can only be used for specific problems for which they are designed.
In this case, the measurements have to be in inches, or the answer will not be gallons. If it is a big tank you can measure in feet, but have to convert to inches. Also, the formula is only good for cylindrical containers. When you say "drum" we assume a cylinder.

2007-05-05 03:17:09 · answer #1 · answered by mr.perfesser 5 · 0 0

well...pi*r^2 is probably the easiest way. It's not hard...watch.

1. Measure how wide the drum is, across it's widest point, at either the top or bottom.
2. Take half of that number.
3. Multiply the new number (called the radius) by itself. So, for example, if the radius were 7, you would do 7 times 7, which is 49.
4. Take the new number, and multiply it by 3.1416
5. Measure the height of the barrel.
6. Last, multiply the height of your barrel by the number that you got from your last calculation. That is approximately how much the barrel can hold, in whatever unit you chose you do your measuring in. Here is an actual example.

1. Say you measure your barrel to be 24 inches across.
2. Dividing it in half, we get: 12 inches.
3. 12 times 12 is 144 square inches.
4. 144 times 3.1416 is 452.39 square inches.
5. Lets say the height of the barrel is 90 inches.
6. 452.39 times 90 is 40715.1 cubic inches. Thats how much your barrel can hold. Hope that helps!

2007-05-02 21:40:57 · answer #2 · answered by Michael T 2 · 0 0

Sorry, the simple answer is pi times radius squared times the height. You only have to multiply to figure this out, Any calculator will do. Say the diameter of your drum is 3 ft (measure across the top) and say it is 4 ft high. Then you just multiply pi (3.14 will do) times 1.5 (half the diameter is the radius) times 1.5 (use the radius twice to square it) times 4 (the height) so 3.14 * 1.5 * 1.5 * 4 = 28.3 cubic ft.

2007-05-02 21:42:31 · answer #3 · answered by ken 1 · 0 0

If it is a gas drum it will hold 55 gallons. No calculation required. That one is a standard size.

2007-05-02 22:32:30 · answer #4 · answered by Rich Z 7 · 0 0

area of a circl times the height

Area = (Pie)(radius of the drum^2)(Height)

Exe radius is 3 height is 5

= 3^2 =9 9x5=45 45 times Pie is 45pie
the drum would hold 45 pie cubic feet of oil

hope this helps!

2007-05-02 21:36:37 · answer #5 · answered by God 2 · 0 1

You're going to have to use pi - there's no way around it. But, you can say pi = 3.14
If you're given the radius, multiply (radius) x (radius) x (3.14) x (height).
If you're given the diameter, multiply (1/2 diameter) x (1/2 diameter) x (3.14) x (height).
That will give you the volume in whatever base measurements the height and radius/diameter are in.

2007-05-02 21:50:32 · answer #6 · answered by strawberie84 1 · 0 0

Just find the volume. The volume of the can is how much liquid it will hold.

The equation is Pi*r^2*H=V

I know you didnt want equations, but this is the best way.

2007-05-03 12:16:17 · answer #7 · answered by Gator P 3 · 0 0

get a gas drum, and a one gallon milk carton. Fill the drum until full with milk carton, whitch would be 55 gallons

2007-05-02 22:39:15 · answer #8 · answered by skcs11 7 · 0 1

count number of 12 oz cans that fits in it and use that number in this equation as x. 12x=V

But seriously its not hard to find volume. just find area around then multiply by height. h(pi)r^2=V

2007-05-02 21:39:06 · answer #9 · answered by rental_ninja 2 · 0 0

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