If the mine winch is 6 m,calculate how far the counterweight will lift for each single rotation of the drum

If the mine winch drum diameter is 6m how far the counterweight will lift for each single rotation of the drum

How do we calculate the diameter

if the mine winch drum diameter 6m, calculate how far the counterweight will lift for each single rotation of the drum

Answer

me don't know

If the mine winch drum diameter is 6m, calculate how far the counterweight will lift for each single rotation if the drum?

More info required.