How do you convert to QNH on your altimater if it does not have it. In other words when they say QNH 10.11 how do you convert that to 29.92 or what ever it converts to. Is there a formula or convertion list. Thanks for help.

How do you convert to QNH on your altimater if it does not have it. In other words when they say QNH 10.11 how do you convert that to 29.92 or what ever it converts to. Is there a formula or convertion list. Thanks for help.

There are a number of ways but the attached conversion table may help.Pete

There are a number of ways but the attached conversion table may help.Pete

Thanks for the quick response that is what I needed, Thanks again. Perry

Thanks for the quick response that is what I needed, Thanks again. Perry

or multiply or divide by 33.86 . inches times 33.86 yields mb, mb divided by 33.86 is inches of mercuryjd

Thank you for this table Pete, very useful. :(

Thank you for this table Pete, very useful. :(

You're most welcome. :( Pete