Given: The three spans of the Brooklyn Bridge have a total length of approximately 3456 ft.
Req'd: Determine the length of the three spans in kilometers (km).
L = km (±1%)
Sol'n: Referring to Table 4, 1 ft = 0.3048 m. Thus:
L = (3465 ft)(0.3048 m/ft) = 1053 m = L = 1.053 km