How many m is 40 chain?
40 chain = 804.672 m
It is 804.672 m, so saying 805 m is fine — rounding is within 0.5%.
And how many chain is 40 m?
40 m = 1.9884 chain
Formula: m = chain × 20.1168
chain to m around this value
22 chain442.5696m
24 chain482.8032m
26 chain523.0368m
28 chain563.2704m
30 chain603.504m
32 chain643.7376m
34 chain683.9712m
36 chain724.2048m
38 chain764.4384m
40 chain804.672m
42 chain844.9056m
44 chain885.1392m
46 chain925.3728m
48 chain965.6064m
50 chain1,005.84m
52 chain1,046.0736m
54 chain1,086.3072m
56 chain1,126.5408m
58 chain1,166.7744m
60 chain1,207.008m