A seer was primarily a measure of mass but it could also be a measure of volume. There were several different values but the standardised value was 0.9331 kilograms.
The Seer - novel - has 248 pages.
The Seer of Shadows has 202 pages.
Far-Seer has 313 pages.
3.785 kg
According to the Goodman Mfg. website, this model is a 10 seer.
One pound is about 0.453 kg
The density of natural gas can vary depending on its composition, but on average, 1 standard cubic meter (scm) of natural gas is equivalent to around 0.75 kg.
250 kg
4.036 there is 1000g in one kg
1 kg = 1,000,000 mg
1/1000 kg or 0.001 kg