Space Launch System Block 1
Space Launch System Block 1 is NASA’s heavy-lift rocket designed for launching deep space missions beyond Earth orbit.
Also known as: SLS Block 1, Space Launch System
How big is it?
98.1 m tall
Overall launch-vehicle height · approximate
Typical recorded range: 98 m to 99 m.

A little perspective
About the same scale as Football pitch.
Football pitch: A football pitch is the marked rectangular playing surface used for association football.
Measurements, assumptions & sources +
Space Launch System Block 1
NASA’s SLS Block 1 launch vehicle stands approximately 98.1 m tall and has an approximate liftoff mass of 2.6 million kg. Payload and mission configuration alter the total mass.
The marked overall launch-vehicle height is calibrated. Unmeasured illustration details are representative.
Football pitch
105 × 68 m playing surface. Excludes surrounding space.
The marked length is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 98.1 m
For comparison, this page uses overall launch-vehicle height. This is labelled approximate; the central value is useful for comparison, while real values or measurement solutions can vary. The recorded range is 98 m to 99 m.
NASA’s SLS Block 1 launch vehicle stands approximately 98.1 m tall and has an approximate liftoff mass of 2.6 million kg. Payload and mission configuration alter the total mass.
The marked vertical span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Space Launch System Block 1 dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 98.1 m | 98 m to 99 m | approximate | |
| 2,608 t | 2,550 t to 2,650 t | approximate |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · SpaceFalcon 970 mFalcon 9 is a two-stage orbital rocket developed by SpaceX for launching satellites and crewed missions.
Nearest higher value · SpaceSaturn V110.6 mThe Saturn V was a multi-stage rocket developed by NASA to launch astronauts to the Moon during the Apollo programme.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- NASA — Space Launch SystemBlock 1 vehicle height, liftoff mass and launch configuration.
There’s always another scale




