need formula for finding Volume?

Answer 1

there are different formulas for volume.

Answer 2

It depends on the (presumably regular) shape whose volume you are trying to measure:

cube: e^3 where e = edge of cube
parallelipiped block: length x breadth x height

sphere: 4/3 x pi x radius^3
ellipsoid: 4/3 x pi x abc where a, b, c = semi-axes of ellipsoid

cylinder: pi x radius^2 x height
pyramid: 1/3 x A x h where A = area of base, h = height from base to apex
cone: 1/3 x pi x r^2 x h where r = radius of circle at base, h = distance from base to tip

For volumes of platonic solids, see the first link.

MEASURING VOLUMES

Volume measures: USA
U.S. customary units of volume:

U.S. fluid ounce, about 29.6 mL
U.S. liquid pint = 16 fluid ounces, or about 473 mL
U.S. dry pint = 1/64 U.S. bushel, or about 551 mL (used for things such as blueberries)
U.S. liquid quart = 32 fluid ounces or two U.S. pints, or about 950 mL
U.S. dry quart = 1/32 U.S. bushel, or about 1.101 L
U.S. liquid gallon = 128 fluid ounces or four U.S. quarts, about 3.785 L
U.S. dry gallon = 1/8 U.S. bushel, or about 4.405 L
U.S. (dry level) bushel = 2150.42 cubic inches, or about 35.239 L

The acre foot is often used in measuring the volume of water in a reservoir. It is the volume of water that would cover an area of one acre to a depth of one foot. It is equivalent to 43,560 cubic feet or exactly 1233.481 837 547 52 m³.

cubic inch = 16.387 064 cm^3
cubic foot = 1,728 in3 ≈ 28.317 dm^3
cubic yard = 27 ft3 ≈ 0.7646 m^3
cubic mile = 5,451,776,000 yd^3 = 3,379,200 acre-feet ≈ 4.168 km^3

Volume measures: UK

The UK is undergoing metrication and is increasingly using SI units of volume, i.e. cubic metre and litre. However, some former units of volume are still in varying degrees of usage:

Imperial units of volume:

UK fluid ounce, about 28.4 mL (this equals the volume of an avoirdupois ounce of water under certain conditions)
UK pint = 20 fluid ounces, or about 568 mL
UK quart = 40 ounces or two pints1.137 L
UK gallon = 4 quarts, or exactly 4.546 09 L

The quart is now obsolete and the fluid ounce extremely rare. The gallon is only used for transportation uses, (it is illegal for petrol and diesel to be sold by the gallon).

The pint is the only Imperial unit that is in everyday use, for the sale of draught beer and cider (bottled and canned beer is sold in SI units) and for milk (this too is increasingly being sold in SI units).

Answer 3

volume for what

Answer 4

int(dV)

It always works.