fJ a Btu (th)

fJ a Hz | fJ a m⁻¹ | fJ a GHz | fJ a K | fJ a THz | fJ a eV | fJ a aJ | fJ a R∞ | fJ a Eh | fJ a keV | fJ a MeV | fJ a pJ | fJ a u | fJ a nJ | fJ a dyn*cm | fJ a Erg | fJ a µJ | fJ a gf*cm | fJ a oz*f*in | fJ a gf*m | fJ a cJ | fJ a kgf*cm | fJ a dJ | fJ a scc | fJ a lbf*in | fJ a in*lbf | fJ a J | fJ a N*m | fJ a W*s | fJ a lbf*ft | fJ a ft*lbf | fJ a cal (th) | fJ a cal (IT) | fJ a kgf*m | fJ a kp*m | fJ a daJ | fJ a hJ | fJ a KJ | fJ a mJ | fJ a kW*s | fJ a Btu (th) | fJ a Btu (IT) | fJ a CHU | fJ a scf | fJ a W*h | fJ a Kcal (th) | fJ a Kcal (IT) | fJ a cal | fJ a scy | fJ a MJ | fJ a mbtu (IT) | fJ a hp*h | fJ a hp*h | fJ a kW*h | fJ a Kg of TNT | fJ a ton*h | fJ a thm | fJ a thm | fJ a thm | fJ a GJ | fJ a MBtu (IT) | fJ a mmbtu (IT) | fJ a EP | fJ a MW*h | fJ a ton | fJ a BOE | fJ a TOE | fJ a TJ | fJ a GW*h | fJ a kton | fJ a kBOE | fJ a PJ | fJ a Mton | fJ a BBOE | fJ a Mtoe | fJ a kg | fJ a EJ | fJ a Gton | fJ a Gtoe