Answer :
On converting 173 pounds (lbs) to Kilogram (Kg) , we get that 173 lbs is equivalent to 78.46 Kg .
One pound is defined as a unit of weight or mass which used in the Imperial and US Customary systems of measurement. It is defined as 0.4535 kilograms, which is the base unit of mass in the International System of Units (SI).
One pound (1 lb) is 0.4535 Kg ,
So , we can write : 173 lbs = 173 × 0.4535 Kg ;
⇒ 173 lbs = 78.4555 Kg ≈ 78.46 Kg .
Therefore , 173 lbs is approximately equal to 78.46 Kilogram .
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