how many psi are in an atm?

14.7 lbs/in2 = 1 atm.
An easy way to have your conversions checked is to go to www.google.com and type in, for example, 1 atmosphere to pounds per square inch and hit the go button.

To find out how many psi (pounds per square inch) are in an atm (atmosphere), you can use a conversion factor.

1 atm is equal to approximately 14.7 psi.

If you want to verify this conversion or convert other values, a quick and reliable way is to use an online search engine like Google. Simply go to www.google.com and type in the conversion you want to make. For example, you can type "1 atmosphere to pounds per square inch" and hit the search button. Google will provide you with the converted value, in this case, 14.6959488 psi, with the option to round it to 14.7 psi.