Conversion of measurement units calculator

1 metric tonne = 1.1023 short tons
to
1 short ton = 0.9072 metric tonnes
1 megajoule = 0.948x10-3 mmbtu
to
1 mmbtu = 1055 megajoule
1 Sm3 = 0.0379 mmbtu
to
1 mmbtu = 26.3713 Sm3
MJ/Sm3 Assumption:
1 kWh = 3.41x10-3 mmbtu
to
1 mmbtu = 293 kWh
1 Therm = 0.1 mmbtu
to
1 mmbtu = 10 Therm