To convert meters to millimeters, you multiply the meter value by 1,000 (since 1 meter = 1,000 millimeters).
So, to convert 17 meters to millimeters:
\[ 17 \text{ m} \times 1,000 = 17,000 \text{ mm} \]
Therefore, 17 meters is equal to 17,000 millimeters.