1. joule/square meter [J/m2]:
1
2. langley [Ly]:
0.000023900574
3. joule/square kilometer:
1000000
4. joule/square hectometer:
10000
5. joule/square dekameter:
100
6. joule/square decimeter:
0.01
7. joule/square centimeter:
0.0001
8. joule/square millimeter:
0.000001
9. joule/square micrometer:
1e-12
10. joule/square nanometer:
1e-18
11. joule/hectare [J/ha]:
10000
12. megajoule/square meter:
0.000001
13. kilojoule/square meter:
0.001
14. kilojoule/square centimeter:
1e-7
15. millijoule/square millimeter:
0.001
16. millijoule/square micrometer:
1e-9
17. microjoule/square meter:
1000000
18. microjoule/square micrometer:
0.000001
19. nanojoule/square meter:
1e+9
20. nanojoule/square millimeter:
1000
21. nanojoule/square micrometer:
0.001
22. attojoule/square meter:
1e+18
23. megaelectron-volt/square meter:
6.24e+12
24. kiloelectron-volt/square micrometer:
6240
25. kiloelectron-volt/square nanometer:
0.00624
26. electron-volt/square nanometer:
6.24
27. erg/square meter:
10000000
28. erg/square micrometer:
0.00001
29. kilowatt-second/square meter:
0.001
30. horsepower hour/square meter:
3.73e-7
31. watt-hour/square meter:
0.000277778
32. watt-second/square meter:
1
33. newton meter/square meter:
1
34. horsepower (metric) hour/square meter:
3.78e-7
35. gigawatt-hour/square kilometer:
2.78e-7
36. megawatt-hour/square meter:
2.78e-10
37. megawatt-hour/square kilometer:
0.000278
38. kilowatt-hour/square meter:
2.78e-7
39. kilocalorie (IT)/square meter:
0.000238846
40. kilocalorie (th)/square meter:
0.000239006
41. calorie (IT)/square meter:
0.238846
42. calorie (th)/square meter:
0.239006
43. Btu (IT)/square meter:
0.000947817
44. Btu (th)/square meter:
0.000948452
45. mega Btu (IT)/square meter:
9.48e-10
46. ton-hour (refrigeration)/square meter:
7.9e-8
47. gigaton/square meter:
2.39e-19
48. megaton/square meter:
2.39e-16
49. joule/square inch [J/in2]:
0.00064516
50. joule/square foot [J/ft2]:
0.09290304
51. joule/square yard [J/yd2]:
0.836127
52. joule/square mile [J/mi2]:
2589988.110336
53. joule/acre [J/ac]:
4046.856422
54. megajoule/square yard:
8.361274e-7
55. kilojoule/square yard:
0.0008361274
56. kilojoule/square foot:
0.00009290304
57. kilojoule/square inch:
6.4516e-7
58. millijoule/square inch:
0.64516
59. microjoule/square inch:
645.16
60. attojoule/square inch:
6.4516e+14
61. erg/square inch:
6451.6
62. gigawatt-hour/square mile:
7.1944114175999999e-07
63. megawatt-hour/square mile:
7.1944114175999999e-04
64. megawatt-hour/square yard:
2.3225759999999997e-10
65. kilowatt-hour/square yard:
2.3225759999999997e-7
66. kilowatt-second/square yard:
0.00083612736 
67. watt-hour/square yard:
2.3225759999999997e-4
68. watt-second/square yard:
0.836127
69. watt-second/square foot:
0.09290304
70. watt-second/square inch:
0.00064516
71. newton meter/square yard:
0.836127
72. newton meter/square foot:
0.09290304
73. horsepower hour/square yard:
3.12e-7
74. horsepower (metric) hour/square yard:
3.16e-7
75. megaelectron-volt/square inch:
4.025798e+9
76. megaelectron-volt/acre:
2.53e+16
77. kilocalorie (IT)/square yard:
0.000199706
78. kilocalorie (th)/square yard:
0.000199839
79. calorie (IT)/square yard:
0.199706
80. calorie (th)/square yard:
0.199839
81. Btu (IT)/square yard:
0.000792496
82. Btu (th)/square yard:
0.000793027
83. mega Btu (IT)/square yard:
7.93e-10
84. ton-hour (refrigeration)/square yard:
6.61e-8
85. gigaton/square yard [Gton/yd2]:
2e-19
86. megaton/square yard [Mton/yd2]:
2e-16