1. square meter [m2]:
1
2. square kilometer [km2]:
0.000001
3. square hectometer [hm2]:
0.0001
4. square dekameter [dam2]:
0.01
5. square decimeter [dm2]:
100
6. square centimeter [cm2]:
10000
7. square millimeter [mm2]:
1000000
8. square micrometer [um2]:
1e+12
9. square nanometer [nm2]:
1e+18
10. hectare [ha]:
0.0001
11. are:
0.01
12. barn [b]:
1e+28
14. circular inch:
1973.525241
15. circular mil:
1.973525e+9
17. square inch [in2]:
1550.0031
18. square foot [ft2]:
10.76391
19. square yard [yd2]:
1.19599
20. square mile [mi2]:
3.861022e-7
21. acre [ac]:
0.0002471054
22. township:
1.072667e-8
23. homestead:
0.000001543828
24. rood:
0.0009885224
25. square perch:
0.0395409
26. square rod:
0.0395409
27. section:
3.861022e-7
28. square pole:
0.0395409
29. square chain [ch2]:
0.0024710538
30. square mil [mil2]:
1.550003e+9
33. square foot (US survey):
10.763867
34. square mile (US survey):
3.861006e-7
35. acre (US survey):
0.0002471044
36. square rod (US survey):
0.0395367
37. square yard (US survey):
1.195985
38. square inch (US survey):
1549.9969