WATER MATH

Question 1

How many feet is in 1 psi. ?

Answer 1

2.31 ft ( 2.307 feet exactly)

Question 2

How much psi is in 1ft ?

Answer 2

0.4335 psi

Question 3

How much does 1 ft³ weigh in lb?

Answer 3

62.3832 lb at 70 degrees.

[Temperture changes density of water, which affects the weight of water. The colder the water, the more dense it becomes. Start with the weight of a gallon at given temperature, then multiply by 7.48 (gal in ft³) to get the result in lb in a ft³.

Question 4

How much does 1 gal of water weigh in lb ?

Answer 4

8.34 lb

(8.3453 lb at 50°F)

Question 5

How many grams (gm) in 1 liter (L) ?

Answer 5

1,000 gm

( One liter of pure water weighs a 1,000 grams at 4°C or 39°F at 1 atmosphere of pressure.)

Question 6

How many parts per million (ppm) in 1 mg/L ?

Answer 6

1ppm

Question 7

How many parts per million (ppm) is in 1%

Answer 7

10,000 ppm

Or 10,000 mg/L

1ppm = 1mg/L

PPM terminology is now obsolete, use mg/L .

Question 8

What is ft² ?

Answer 8

Square feet.

Foot x Foot = ft²

Question 9

What is ft³

Answer 9

Cubic feet.

Foot x Foot x Foot = ft³

Question 10

How many feet ( ft ) is in 1 mile?

Answer 10

5,280ft

Question 11

1 cubic yard ( yd³) equals how many cubic feet ( ft³ ) ?

Answer 11

27 ft³

1 yard ( yd ) = 3 feet ( ft )