The classic way to convey the error that exists in a measurement is a formula that shows the obtained measurement (X) as a sum of a true score plus some error. One version of this formula is: X = T + e. With this formula in mind, obtaining more precise measures depends on reducing error.
  Mega is the prefix meaning one million, therefore there are one million (1,000,000) gallons in a mega gallon.
How many gallons are in a cubic meter? Gallons and Cubic Meters. If you have ever bought or seen a gallon jug of water, you are familiar with what a gallon looks like in the real world. However, most of us are not familiar with what a cubic meter looks like in the real world. Thankfully, we have a conversion fact that relates gallons and cubic meters that tells us how many gallons are in a cubic meter and allows us to convert between the two measurements. Answer and Explanation: There are approximately 264.172052 gallons in 1 cubic meter giving the following conversion fact. 1 cubic meter â 264.172052 gallons We can use this fact to convert a measurement given in cubic meters to gallons so that we can better picture the measurement since most of us are more familiar with gallons than with cubic meters.