Our numbers
Derived metrics
Computed by aircraft.fyi from the core specification — see how we calculate these.
Range per tonne#12 of 65
148.6 km/t maximum range ÷ MTOW in tonnes
Span-to-length ratio#62 of 68
0.64 wingspan ÷ fuselage length
Weight per metre#47 of 68
1.82 t/m MTOW ÷ fuselage length
Range in hours#50 of 65
2.6 h maximum range ÷ cruise speed
Sense of scale
How big is it, really?
The Chengdu J-20 Mighty Dragon's wingspan, against things you already know the size of.
Specification
The numbers
| Length | 20.30 m |
|---|---|
| Wingspan | 13.01 m |
| Height | 4.45 m |
| MTOW | 37,000 kg |
| Max speed | 2,100 km/h |
| Range | 5,500 km |
| Crew | 1 |
| First flight | 2011 |
| Built | 200 |
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Last verified: 2026-07-20 · Spot an error? business@luck.fyi
The story
What makes it different
The canard delta layout is unusual for a stealth design. Most published performance figures are Western estimates rather than released data.
Against a 13.01 m wingspan the Dragon carries 37,000 kg at maximum takeoff weight and reaches 2,100 km/h. First flight was 2011, and 200 were built.
A note on the numbers: Most performance figures are Western estimates rather than released data.
Common questions
Chengdu J-20 Mighty Dragon — the short answers
How fast is the Chengdu J-20 Mighty Dragon?
The Chengdu J-20 Mighty Dragon cruises at about 2,100 km/h — roughly 1134 knots, or 1,305 mph.
How far can the Chengdu J-20 Mighty Dragon fly?
The Chengdu J-20 Mighty Dragon has a maximum range of about 5,500 km (2,970 nautical miles, 3,418 miles). At its cruise speed that is roughly 2.6 hours in the air.
Is the Chengdu J-20 Mighty Dragon still in production?
Status: In production — in service. The Chengdu J-20 Mighty Dragon first flew in 2011, and about 200 have been built.
How big is the Chengdu J-20 Mighty Dragon?
The Chengdu J-20 Mighty Dragon is 20.3 m long with a wingspan of 13.01 m and a height of 4.45 m. Its maximum takeoff weight is 37,000 kg.
Variants
The Chengdu J-20 Mighty Dragon line
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- Chengdu J-20 Mighty Dragon vs McDonnell Douglas F-15 Eagle →
- Chengdu J-20 Mighty Dragon vs Lockheed F-117 Nighthawk →
Sources
Primary sources
Further reading