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# how do you convert pressure into standard atmospheres (atm)'s?

I have to convert kPa to Atm

and then i have another problem where i have to convert torr to atm

I have a Chemistry Textbook, and it shows an example, but i am just not grasping the concept.

are there certain steps to go through to get atm's from other pressures?

thanks a lot (:

i get it now.

i just needed someone to explain it to me.

### 4 Answers

- MaratLv 51 decade agoFavorite Answer
1 atm= 101325 Pa

1 Pa = 1 atm/101325= 9.86923267 × 10-6 atm

1 kPa= 10^3 Pa= 1000 Pa; 1 Pa= 10^-3 kPa= 0,001 kPa

so if you have 7,56 kPa

7,56 kPa= 7,56*10^3 Pa

7,56*10^3 Pa= 7,56*10^3 * 9.86923267 × 10-6 atm= 7,46*10^-2 atm

1 torr = 0.00131578947 atm

just multiply your pressure in torr with 0.00131578947

;)

- JuanitaLv 45 years ago
In physics as U go thru various different topics, its possible to commit certain oft used values to memory or at least write them down in an easily found place. Thus 1 atmosphere = 101,300 Pa {this is close enough for 3 significant digit answers}

- 1 decade ago
1 atmosphere=101.325 kPa=760 torr

so for example if you have to convert 200 kPa to atmospheres all you have to do is divide the kPa given by 101.325. So 200 kPa/101.325 (kPa/atm)=1.97 atm

the same thing applies for torr, except you divide given torr by 760 since 1 atm=760 torr