The megalight per hour, often shortened to MGLT, served as a measurement for the sublight velocities of starships operating within realspace (as opposed to speeds in hyperspace). It's important to note that these speeds were still significantly close to the speed of light, resulting in noticeable relativistic effects.
As an illustration, the RZ-1 A-wing interceptor boasted a considerably higher velocity (120 MGLT) compared to the BTL-A4 Y-wing assault starfighter/bomber (70 MGLT).
The TIE/vn space superiority fighter achieved the highest documented maximum realspace speed of any starship, clocking in at 155 MGLT.
TIE/vn space superiority fighter: 155 MGLT TIE/sf space superiority fighter: 140 MGLT Resurgent-class Star Destroyer: >130 MGLT TIE/fo space superiority fighter: 130 MGLT Droid tri-fighter: 125 MGLT RZ-2 A-wing interceptor: 125 MGLT RZ-1 A-wing interceptor: 120 MGLT TIE/D Defender Elite: 120 MGLT T-85 X-wing: 120 MGLT Eta-2 Actis-class light interceptor: 118 MGLT TIE/d "Defender" Multi-Role Starfighter: 115 MGLT T-70 X-wing starfighter: 110 MGLT TIE/in Interceptor: 110 MGLT Delta-7 Aethersprite-class light interceptor: 110 MGLT TIE Advanced v1: 105 MGLT TIE Advanced x1: 105 MGLT Exterior Variant /1, Exterior Variant /2: 100 MGLT TIE/ln space superiority starfighter: 100 MGLT Aggressive ReConnaissance-170 starfighter: 100 MGLT T-65B X-wing starfighter: 100 MGLT BTL-B Y-wing starfighter/bomber: 100 MGLT TIE/mg Mining Guild starfighter: 95 MGLT UT-60D U-wing starfighter/support craft: 95 MGLT A/SF-01 B-wing starfighter: 91 MGLT TIE/rp Reaper attack lander: 90 MGLT TIE/rb heavy starfighter: 90 MGLT TIE/sa tactical bomber: 90 MGLT TIE Boarding Craft: 90 MGLT TIE/sh shuttle: 90 MGLT Soulless One: 90 MGLT CR90 corvette: 81 MGLT Carrack-class light cruiser: 80 MGLT BTA-NR2 Y-wing starfighter: 80 MGLT Millennium Falcon: 75 MGLT Slave I: 70 MGLT BTL-A4 Y-wing assault starfighter/bomber: 70 MGLT BTL-S3 Y-wing starfighter: 70 MGLT Sentinel-class landing craft: 70 MGLT Providence-class Dreadnought: 70 MGLT MC80 Star Cruiser, Imperial-class Star Destroyer: 60 MGLT Lambda-class T-4a shuttle: 54 MGLT Executor-class Star Dreadnought: 40 MGLT Hardcell-class interstellar transport: 40 MGLT Solar sailer: 27 MGLT

The origin of the MGLT unit can be traced back to a comparative chart of starfighter propulsion capabilities. This chart was created by Industrial Light & Magic during the production phase of Star Wars: Episode VI Return of the Jedi. It is worth noting that some of the values presented in Star Wars Super Graphic: A Visual Guide to a Galaxy Far, Far Away differ noticeably from those depicted in the original diagram.
- Star Wars Super Graphic: A Visual Guide to a Galaxy Far, Far Away (Initial Mention)
- TIE Fighter Owners' Workshop Manual
- Rebel Starfighters Owners' Workshop Manual
- " Millennium Falcon " — Star Wars Encyclopedia
- " Republic, Rebel, and Resistance Starfighters " — Star Wars Encyclopedia
- Star Wars: Millennium Falcon 20 (Starship Fact File: Imperial I-class Star Destroyer)