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What is the conversion from MBtu to kWh?

asked 2017-03-21 13:19:02 -0500

sga gravatar image

updated 2017-08-07 13:19:37 -0500

From the HVAC Load Profile, is 1 MBtu equal to 1 000 000 Btu? And is 1 Btu equal to 0.00029307106944 kWh? Or can you say how many kWh is 1 MBtu?

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Welcome to IP units. I'm sure you'll love it. My advice, always question whether "M" is meant as Mega (10^6) or the roman number M (10^3), I've seen it differ. I've made a personal habit, when working in IP units, to write kBTU for 10^3 and mmBTU (10^6) as to avoid any confusion.

Julien Marrec gravatar image Julien Marrec  ( 2017-03-21 18:04:44 -0500 )edit

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answered 2017-03-21 18:14:12 -0500

updated 2017-03-24 09:53:11 -0500

Welcome to IP units. I'm sure you'll love it (cough). My advice, always question whether "M" is meant as Mega (10^6) or the roman number M (10^3), I've seen it differ. I've made a personal habit, when working in IP units, to write kBTU for 10^3 and mmBTU (10^6) as to avoid any confusion.

As far as OpenStudio goes, they mean Mega (10^6).

Here's the proof, using the ruby bindings:

[1] julien(main)> OpenStudio::convert(1,"MBtu","Btu").get
=> 1000000.0
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answered 2017-03-21 17:27:36 -0500

kpp gravatar image

updated 2017-03-22 08:34:04 -0500

1MBtu = 1000 Btus.

In MBtu, M is used as Roman numeral where M = 1000.

1MBtu = 0.293 kWh

and 1 MMBtu = 1,000,000 Btus

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answered 2017-03-21 14:10:56 -0500

Try this.

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Asked: 2017-03-21 13:19:02 -0500

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Last updated: Mar 24 '17