The following pictures show n unit hexagons packed inside the smallest known domino (with short side length s).
1. 
s = √3 = 1.73205+
Trivial.
2. 
s = 1.8946+
Found by Jonathan Viquerat in April 2026.
3. 
s = 6–2√3 = 2.53589+
Found by Jonathan Viquerat in April 2026.
4. 
s = 22–11√3 = 2.94744+
Found by Jonathan Viquerat in April 2026.
5. 
s = 3.24870+
Found by Yanis Gomes
in October 2026.
6. 
s = 21(15–2√3)/71 = 3.41202+
Found by Jonathan Viquerat in April 2026.
7. 
s = 3.48722+
Found by Bhavithran Ananthan in July 2026.
8. 
s = 3.6906+
Found by Jonathan Viquerat in April 2026.
9. 
s = (36+5√3)/11 = 4.06002+
Found by Jonathan Viquerat in April 2026.
10. 
s = 9(2√3–3) = 4.17691+
Found by Jonathan Viquerat in April 2026.
11. 
s = 4.5036+
Found by Jonathan Viquerat in April 2026.
12. 
s = 41(18–5√3)/83 = 4.6136+
Found by Jonathan Viquerat in April 2026.
13. 
s = 4.8137+
Found by Jonathan Viquerat in April 2026.
14. 
s = 25(6–√3)/22 = 4.84994+
Found by Jonathan Viquerat in April 2026.
15. 
s = 56(27–4√3)/227 = 4.95163+
Found by Jonathan Viquerat in April 2026.
16.-17. 
s = 3√3 = 5.19615+
Trivial.
18. 
s = 31(4–√3)/13 = 5.40818+
Found by Jonathan Viquerat in April 2026.
19. 
s = 5.65220+
Found by Joshua Wolk in September 2026.
20. 
s = 5.8012+
Found by Jonathan Viquerat in April 2026.
21. 
s = 5.85640+
Found by Thomas Greenleaf in June 2026.
22. 
s = 6.06942+
Found by Aapo Lipponen
in October 2026.
23. 
s = 6.18125+
Found by Joshua Wolk in September 2026.
24. 
s = 6.19594+
Found by Joshua Wolk in September 2026.
25. 
s = 477/46–53√3/23 = 6.37831+
Found by Yanis Gomes
in October 2026.
26. 
s = 6.40192+
Found by Joshua Wolk in September 2026.
27. 
s = 6.49866+
Found by Joshua Wolk in September 2026.
28. 
s = 1391/157–214√3/157 = 6.49898+
Found by Yanis Gomes
in October 2026.
29. 
s = 6.83667+
Found by Joshua Wolk in September 2026.
30. 
s = 6.92820+
Found by Joshua Wolk in September 2026.
31. 
s = 6.95439+
Found by Yanis Gomes
in October 2026.
32. 
s = 6.98004+
Found by Joshua Wolk in September 2026.
33. 
s = 7.24872+
Found by Joshua Wolk in September 2026.
34. 
s = 7.42562+
Found by Joshua Wolk in September 2026.
35. 
s = 172/13–43√3/13 = 7.50167+
Found by Yanis Gomes
in October 2026.
36. 
s = 7.55423+
Found by Yanis Gomes
in October 2026.
37. 
s = 7.70206+
Found by Joshua Wolk in September 2026.
38. 
s = 1512/131–288√3/131 = 7.73411+
Found by Yanis Gomes
in October 2026.
39. 
s = 329√3/37–282/37 = 7.77958+
Found by Yanis Gomes
in October 2026.
40. 
s = 7.78193+
Found by Joshua Wolk in September 2026.
41. 
s = 7.94217+
Found by Yanis Gomes
in October 2026.
42. 
s = 7.94895+
Found by Joshua Wolk in September 2026.
43. 
s = 7.95390+
Found by Joshua Wolk in September 2026.
44. 
s = 8.15857+
Found by Joshua Wolk in September 2026.
45. 
s = 368√3/61–138/61 = 8.18679+
Found by Yanis Gomes
in October 2026.
46. 
s = 8.47613+
Found by Yanis Gomes
in October 2026.
47. 
s = 8.60495+
Found by Joshua Wolk in September 2026.
48.-50. 
s = 8.66025+
Found by Joshua Wolk in September 2026.