30,000 metres per second
108,000 km/hSpeed · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Speed
Just how fast is 30,000 metres per second?
Toward light speed
30,000 m/s
DISTANCE IN ONE SECOND
30,000 metres per second
The quantity is exact as entered.
108,000 km/hSpeed
0
30 km in 1 s
Earth
Earth is the rocky planet on which we live and the third planet from the Sun.
107,200 km/hOrbital speed
0
29.78 km 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
30,000 metres per second is about 1.01 times the orbital speed of Earth.
Measurements, assumptions & sources +
30,000 metres per second
Speed: 108,000 km/h; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Earth
Orbital speed: 107,200 km/h; rounded orbital anchor.
Mean-radius spherical model for Earth; actual shape is not perfectly spherical.
Rounded representative orbital speed, not instantaneous ephemeris data.
Defined examples — our methodology
The marked orbital speed is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 30,000 metres per second with the orbital speed of Earth. The notes below explain how each value was chosen.
Earth
107,200 km/hOrbital speed · rounded orbital anchor
Mean-radius spherical model for Earth; actual shape is not perfectly spherical.
- Comparing
- Speed ↔ Orbital speed
- Relative size
- 30,000 metres per second is about 1.01 times the orbital speed of Earth. 30,000 metres per second is approximately 0.739% greater than the orbital speed of Earth.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- Earth: Rounded representative orbital speed, not instantaneous ephemeris data.
Speed is distance per unit time; it does not specify the total distance travelled.
108,000 km/hkilometres per hour
67,108 mphmiles per hour
Mach 87.464Mach
0.010007% of c (0.00010007c)speed of light
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