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Mass

Just how heavy is 500 tonnes?

Heavyweights

500 t

Scale
500 tonnes

The quantity is exact as entered.

500,000 kgMass in kilograms
0 kg
Falcon 9

Falcon 9 is a two-stage orbital rocket developed by SpaceX for launching satellites and crewed missions.

549,100 kgApproximate launch mass in kilograms
0 kg

Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.

A little perspective

The launch mass of a Falcon 9 is about 1.1 times 500 tonnes.

Measurements, assumptions & sources +

500 tonnes

Mass: 500 t; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Falcon 9

Approximate launch mass: 549.1 t; specified; range 540 t–560 t.

SpaceX lists Falcon 9 as 70 m high, 3.7 m in diameter and approximately 549 t at launch. Configuration and payload alter liftoff mass; the complete stacked vehicle defines height.

SpaceX — Falcon 9

The marked approximate launch mass is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 500 tonnes with the launch mass of a Falcon 9. The notes below explain how each value was chosen.

500 tonnes

500 t

Mass · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Falcon 9

549.1 t

Approximate launch mass · specified · range 540 t–560 t

SpaceX lists Falcon 9 as 70 m high, 3.7 m in diameter and approximately 549 t at launch. Configuration and payload alter liftoff mass; the complete stacked vehicle defines height.

Comparing
Mass ↔ Approximate launch mass
Relative size
The launch mass of a Falcon 9 is about 1.1 times 500 tonnes. The launch mass of a Falcon 9 is approximately 9.81% greater than 500 tonnes.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • We use 549.1 t for the launch mass of a Falcon 9; the recorded range is 540 t–560 t.

Mass is distinct from weight: an object’s mass stays the same as gravity changes.

500,000 kgkilograms
1,102,300 lbpounds

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