TRANSPORTATION ENERGY DATA BOOK: EDITION 20 - Center for ...

B-4
Table B.3
Energy Unit Conversions
IBtLl = 778.2 f&lb 1 kWhr =3412Btu”
= 107.6 kg-m = 2.655 x lo6 ft-lb
= 1055 J = 3.671 x lO’kg-m
= 39.30 x 1O-5 hp-h = 3.600 x lo6 J
= 39.85 x 10.’ metric hp-h = 1.341 hp-h
= 29.31 x 1O-5 kWhr = 1.360 metric hp-h
1 kg-m = 92.95 x 10e4 Btu 1 Joule = 94.78 x 1O-5 Btu
= 7.233 ft-lb = 0.7376 ft-lb
= 9.806 J = 0.1020 kg-m
= 36.53 x 1O-7 hp-h = 37.25 x 10.’ hp-h
= 37.04 x 10m7 metric hp-h = 37.77 x 10.’ metric hp-h
= 27.24 x 1O-7 kWhr = 27.78 x 10.’ kWhr
1 hp-h = 2544 Btu 1 metric hp-h = 2510 Btu
= 1.98 x lo6 ft-lb = 1.953 x lo6 ft-lb
= 2.738 x lo6 kgm = 27.00 x lo4 kg-m
= 2.685 x lo6 J = 2.648 x 10” J
= 1 .O 14 metric hp-h = 0.9863 hp-h
= 0.7475 kWhr = 0.7355 kWhr
“This figure does not take into account the fact that electricity generation and distribution efficiency
is approximately 29%. If generation and distribution efficiency are taken into account, 1 kWhr = 11,765
BtLl.
Table B.4
International Energy Conversions
To: TJ Gcal Mtoe Mbtu GWh
From: multiply by:
TJ 1 238.8 2.388 x 10.’ 947.8 0.2778
Gcal 4.1868 x 1O-3 1 1 o-7 3.968 1.163 x 1O-3
Mtoe 4.1868 x lo4 107 1 3.968 x lo7 11,630
Mbtu 1.0551 x IO-3 0.252 2.52 X 1O-8 1 2.931 x 10-4
Gwh 3.6 860 8.6 x 10-5 3412 1
TRANSPORTATION ENERGY DATA BOOK: EDITION 20-2000