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.
3.785 kg
One pound is about 0.453 kg
250 kg
4.036 there is 1000g in one kg
1 kg = 1,000,000 mg
1/1000 kg or 0.001 kg
2
Answer: 1000 lb = 453.592 kg
1,000
A tonne (metric - not same as 'ton' imperial) is by definition 1,000 kg. One million tonnes is therefore 1,000,000 x 1,000 kg which is 1,000,000,000 kg or one billion kg.
One kilogram (kgs) is equal to one "kilo" (short for kilogram).