1,000 kilometres per hour
1,000 km/hSpeed · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Speed
Just how fast is 1,000 kilometres per hour?
Air & orbit
1,000 km/h
DISTANCE IN ONE SECOND
1,000 kilometres per hour
The quantity is exact as entered.
1,000 km/hSpeed
0
277.8 m in 1 s
Boeing 747-8
The Boeing 747-8 is a long-range, wide-body commercial airliner used for transporting passengers and cargo.
920 km/hSpeed
0
255.6 m in 1 s
Each track shows distance covered in the same second. The small illustrations identify the movers; their sizes are schematic.
A little perspective
1,000 kilometres per hour is about 1.09 times the speed of the Boeing 747-8.
Measurements, assumptions & sources +
1,000 kilometres per hour
Speed: 1,000 km/h; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Boeing 747-8
Speed: 920 km/h; specified.
Lufthansa’s 747-8 reference configuration. Mass is maximum takeoff mass, not empty mass; 920 km/h is a quoted cruise speed.
Lufthansa — Boeing 747-8 specifications
The marked speed is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1,000 kilometres per hour with the speed of the Boeing 747-8. The notes below explain how each value was chosen.
Boeing 747-8
920 km/hSpeed · specified
Lufthansa’s 747-8 reference configuration. Mass is maximum takeoff mass, not empty mass; 920 km/h is a quoted cruise speed.
- Comparing
- Speed ↔ Speed
- Relative size
- 1,000 kilometres per hour is about 1.09 times the speed of the Boeing 747-8. 1,000 kilometres per hour is approximately 8.7% greater than the speed of the Boeing 747-8.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
Speed is distance per unit time; it does not specify the total distance travelled.
277.78 m/smetres per second
621.37 mphmiles per hour
Mach 0.80985Mach
9.2657 × 10⁻⁵% of c (9.2657 × 10⁻⁷c)speed of light
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A little smaller. A little larger.