Tons feet to KNm

depends which ton you're using, theres a few (look it up on wiki), its prob 2,240 lb, about 1,016 kg, by 9.8ish newtons in a kg (taking gravity = 9.80665 ms^2(N/kg), but this really depends on where you are situated on earth)= 9964. or 9.964 kN

a foot is 0.3048 of a metre, exactly, unless you're in the US, where its defined as 1200/3937 of a metre (0.30480061 m -ish) (good old wikipedia)

so, 1 ton-foot = 3.037032204262336896 kNm,
or 1 kNm = 1/that = 0.32926881664163632315985806471922 ton-feet

so basically
ton-feet x 3 = kNm
kNm/ 3 = ton-feet

say thanks,
i hope im not wrong with the x3, /3