Hello, I have a very old imperial meter made by Parkinson Cowan (Ser/ No S512290) that works in ft2. Would someone kindly help with the conversion to kwh please. I also would like to know if it measures in ft2 or 100ft2. This is an image, many thanks.
![](https://uploads-eu-west-1.insided.com/ovo-en/attachment/504447ea-c5b8-4059-b3b9-a1d9ba39babd.jpg)
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