How many kJ is 1,000 BTU?

1,000 BTU = 1,055.056 kJ

It is 1,055.056 kJ, so saying 1,055 kJ is fine — rounding is within 0.5%.

And how many BTU is 1,000 kJ?

1,000 kJ = 947.817 BTU

Formula: kJ = BTU × 1.055056

100 BTU105.5056kJ

200 BTU211.0112kJ

300 BTU316.5168kJ

400 BTU422.0224kJ

500 BTU527.528kJ

600 BTU633.0336kJ

700 BTU738.5392kJ

800 BTU844.0448kJ

900 BTU949.5504kJ

1,000 BTU1,055.056kJ

1,100 BTU1,160.5616kJ

1,200 BTU1,266.0672kJ

1,300 BTU1,371.5728kJ

1,400 BTU1,477.0784kJ

1,500 BTU1,582.584kJ

1,600 BTU1,688.0896kJ

1,700 BTU1,793.5952kJ

1,800 BTU1,899.1008kJ

1,900 BTU2,004.6064kJ

2,000 BTU2,110.112kJ