the most common english unit of mass is the pound avoirdupois. what is one troy pound in kilograms and in pounds?

http://en.wikipedia.org/wiki/Troy_weight

To determine the conversion of one troy pound to kilograms and pounds, we need to know the conversion factors.

1 troy pound is equivalent to 0.3732417216 kilograms (kg).
1 kilogram is approximately equal to 2.20462 pounds (lb).

Therefore, we can use these conversion factors to calculate the value:

1) One troy pound in kilograms:
Multiply 1 troy pound by the conversion factor of 0.3732417216 kg.
1 troy pound * 0.3732417216 kg = 0.3732417216 kg.

So, one troy pound is approximately equal to 0.3732417216 kilograms.

2) One troy pound in pounds:
First, convert the troy pound to kilograms using the conversion factor we calculated earlier.
1 troy pound * 0.3732417216 kg = 0.3732417216 kg.

Next, convert the kilograms to pounds using the conversion factor of 2.20462 lb/kg.
0.3732417216 kg * 2.20462 lb/kg = 0.8219178081 lb.

Thus, one troy pound is approximately equal to 0.8219178081 pounds.