Depends on the loading, weather conditions, altitude of the local airfield, etc.
speeds depend on the weather condition and how long the runway is but usally a 747 takes off at 150-154 knots.
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
A 747's max take-off weight is 910,000 pounds.
The maximum take off weight for a 747-400 is 875,000 pounds (396,890 kg.).
180 mph
The maximum take off weight of a 747-400 is 875,000 lbs or 396,890 kg.
The latest 747 models weigh over 480 tons at take-off.
The maximum take off weight for a 747-400 is 875,000 pounds (396,890 kg.).
The maximum take off weight for a 747-400 is 875,000 pounds or 396,890 kilos.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
The 747 is lighter on landing because of the fuel it burned off during flight. This is true for all planes.