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Cubic Metres? - Errors in reading?
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Hi guys,
Recently moved into this property, and having a little bit of confusion with the gas meter.. Not sure if I'm mis-reading it, as it appears to me that we're currently using a ridiculous amount of gas per month! - A value of 259 'cubic metres' (units?) to be precise...
I think I'm getting conversions wrong, though. The meter reads in "m3" (cubic metres) of gas.. And I'm not sure what the past ones read in - I just took the number and converted it using the following calculation with no problem:
Units x 2.83 x 1.0226400 x 38.9 / 3.6
This'd give the kWh - and, hence, I could calculate how much it's costing us. However, if I apply this formula to the figures I'm getting from this new meter... It seems to suggest we're going to be spending in the region of £3000+ keeping our small house warm this year :eek:.
Am I calculating incorrectly? I did see a calculation elsewhere that suggested that cubic metres are converted to kWh using a different formula... Something along the lines of:
Cubic Metres x 11.2
Which of these is correct? Evidently the latter one makes much more sense... But I can't help worrying that the heating system here (or gas meter) has somehow gone haywire - and I'm going to end up paying thousands of pounds for a reasonable use of gas! (2 hours in the morning, and 4 hours in the evening when it gets cold.)
Can someone please help clarify the situation before I worry myself to death
?
J
Recently moved into this property, and having a little bit of confusion with the gas meter.. Not sure if I'm mis-reading it, as it appears to me that we're currently using a ridiculous amount of gas per month! - A value of 259 'cubic metres' (units?) to be precise...
I think I'm getting conversions wrong, though. The meter reads in "m3" (cubic metres) of gas.. And I'm not sure what the past ones read in - I just took the number and converted it using the following calculation with no problem:
Units x 2.83 x 1.0226400 x 38.9 / 3.6
This'd give the kWh - and, hence, I could calculate how much it's costing us. However, if I apply this formula to the figures I'm getting from this new meter... It seems to suggest we're going to be spending in the region of £3000+ keeping our small house warm this year :eek:.
Am I calculating incorrectly? I did see a calculation elsewhere that suggested that cubic metres are converted to kWh using a different formula... Something along the lines of:
Cubic Metres x 11.2
Which of these is correct? Evidently the latter one makes much more sense... But I can't help worrying that the heating system here (or gas meter) has somehow gone haywire - and I'm going to end up paying thousands of pounds for a reasonable use of gas! (2 hours in the morning, and 4 hours in the evening when it gets cold.)
Can someone please help clarify the situation before I worry myself to death
?J
0
Comments
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Not sure of the top of my head but I believe the 2.83 is the imperial to metric conversion factor so, if your meter measures in metres cubed (m3) you do not multiply by that - just the rest. I.e. Units on meter x 1.0226400 x 38.9 / 3.6. Hope this helps.
EDIT: Just double checked this and it is correct. In other words, drop the mutliplication by 2.83 as that is only applicable if you have an imperal (cubic feet) meter.0 -
Hi,
This thread should explain the calculations for you as a previous poster asked pretty much the same.
http://forums.moneysavingexpert.com/showthread.html?t=593724:rotfl: It's better to live 1 year as a tiger than a lifetime as a worm...but then, whoever heard of a wormskin rug!!!:rotfl:0 -
Damn, do I feel like an idiot now! Worrying over nothing - I thought as much. Cheers for the help - much appreciated.
J0 -
The caloric value of gas varies, so it is not possible to give an accurate figure for every supply.
I think the complex looking calculation puts some people off. However a ballpark figure is 1 unit on an Imperial(cu ft) meter is 31 to 34kWh and on a Metric(cu mtr) meter 1 unit is 11 to 12kWh
If you use a figure of 33kWh or 11.5kWh you won't be far out.0
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