1ft-lb = 0.00129Btu (I.T., pre-1956)
Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.
Foot-pounds to Btu (I.T., pre-1956) conversion formula
Btu (I.T., pre-1956) = Foot-pounds / 778.15561556
Foot-pounds to Btu (I.T., pre-1956) calculation
Btu (I.T., pre-1956) = Foot-pounds / 778.15561556
Btu (I.T., pre-1956) = 1 / 778.15770954949
Btu (I.T., pre-1956) = 0.00129
Foot-pounds to Btu (I.T., pre-1956) table
Starting value
Increment
Accuracy
Foot-pounds
Btu (I.T., pre-1956)
0ft-lb
0.00000Btu (I.T., pre-1956)
1ft-lb
0.00129Btu (I.T., pre-1956)
2ft-lb
0.00257Btu (I.T., pre-1956)
3ft-lb
0.00386Btu (I.T., pre-1956)
4ft-lb
0.00514Btu (I.T., pre-1956)
5ft-lb
0.00643Btu (I.T., pre-1956)
6ft-lb
0.00771Btu (I.T., pre-1956)
7ft-lb
0.00900Btu (I.T., pre-1956)
8ft-lb
0.01028Btu (I.T., pre-1956)
9ft-lb
0.01157Btu (I.T., pre-1956)
10ft-lb
0.01285Btu (I.T., pre-1956)
11ft-lb
0.01414Btu (I.T., pre-1956)
12ft-lb
0.01542Btu (I.T., pre-1956)
13ft-lb
0.01671Btu (I.T., pre-1956)
14ft-lb
0.01799Btu (I.T., pre-1956)
15ft-lb
0.01928Btu (I.T., pre-1956)
16ft-lb
0.02056Btu (I.T., pre-1956)
17ft-lb
0.02185Btu (I.T., pre-1956)
18ft-lb
0.02313Btu (I.T., pre-1956)
19ft-lb
0.02442Btu (I.T., pre-1956)
20ft-lb
0.02570Btu (I.T., pre-1956)
21ft-lb
0.02699Btu (I.T., pre-1956)
22ft-lb
0.02827Btu (I.T., pre-1956)
23ft-lb
0.02956Btu (I.T., pre-1956)
24ft-lb
0.03084Btu (I.T., pre-1956)
25ft-lb
0.03213Btu (I.T., pre-1956)
26ft-lb
0.03341Btu (I.T., pre-1956)
27ft-lb
0.03470Btu (I.T., pre-1956)
28ft-lb
0.03598Btu (I.T., pre-1956)
29ft-lb
0.03727Btu (I.T., pre-1956)
30ft-lb
0.03855Btu (I.T., pre-1956)
31ft-lb
0.03984Btu (I.T., pre-1956)
32ft-lb
0.04112Btu (I.T., pre-1956)
33ft-lb
0.04241Btu (I.T., pre-1956)
34ft-lb
0.04369Btu (I.T., pre-1956)
35ft-lb
0.04498Btu (I.T., pre-1956)
36ft-lb
0.04626Btu (I.T., pre-1956)
37ft-lb
0.04755Btu (I.T., pre-1956)
38ft-lb
0.04883Btu (I.T., pre-1956)
39ft-lb
0.05012Btu (I.T., pre-1956)
40ft-lb
0.05140Btu (I.T., pre-1956)
41ft-lb
0.05269Btu (I.T., pre-1956)
42ft-lb
0.05397Btu (I.T., pre-1956)
43ft-lb
0.05526Btu (I.T., pre-1956)
44ft-lb
0.05654Btu (I.T., pre-1956)
45ft-lb
0.05783Btu (I.T., pre-1956)
46ft-lb
0.05911Btu (I.T., pre-1956)
47ft-lb
0.06040Btu (I.T., pre-1956)
48ft-lb
0.06168Btu (I.T., pre-1956)
49ft-lb
0.06297Btu (I.T., pre-1956)
50ft-lb
0.06425Btu (I.T., pre-1956)
51ft-lb
0.06554Btu (I.T., pre-1956)
52ft-lb
0.06682Btu (I.T., pre-1956)
53ft-lb
0.06811Btu (I.T., pre-1956)
54ft-lb
0.06939Btu (I.T., pre-1956)
55ft-lb
0.07068Btu (I.T., pre-1956)
56ft-lb
0.07196Btu (I.T., pre-1956)
57ft-lb
0.07325Btu (I.T., pre-1956)
58ft-lb
0.07454Btu (I.T., pre-1956)
59ft-lb
0.07582Btu (I.T., pre-1956)
60ft-lb
0.07711Btu (I.T., pre-1956)
61ft-lb
0.07839Btu (I.T., pre-1956)
62ft-lb
0.07968Btu (I.T., pre-1956)
63ft-lb
0.08096Btu (I.T., pre-1956)
64ft-lb
0.08225Btu (I.T., pre-1956)
65ft-lb
0.08353Btu (I.T., pre-1956)
66ft-lb
0.08482Btu (I.T., pre-1956)
67ft-lb
0.08610Btu (I.T., pre-1956)
68ft-lb
0.08739Btu (I.T., pre-1956)
69ft-lb
0.08867Btu (I.T., pre-1956)
70ft-lb
0.08996Btu (I.T., pre-1956)
71ft-lb
0.09124Btu (I.T., pre-1956)
72ft-lb
0.09253Btu (I.T., pre-1956)
73ft-lb
0.09381Btu (I.T., pre-1956)
74ft-lb
0.09510Btu (I.T., pre-1956)
75ft-lb
0.09638Btu (I.T., pre-1956)
76ft-lb
0.09767Btu (I.T., pre-1956)
77ft-lb
0.09895Btu (I.T., pre-1956)
78ft-lb
0.10024Btu (I.T., pre-1956)
79ft-lb
0.10152Btu (I.T., pre-1956)