Home Energy & Power Einstein’s Mass-Energy Equivalence Calculator Einstein’s Mass-Energy Equivalence Calculator By Alle Mee - Updated 1 day ago Einstein’s Mass-Energy Equivalence Calculator Select Answer Mode m E Rest Mass (m) Select mass unit... Comments Einstein’s Mass-Energy Equivalence Calculator Select Answer Mode m E Rest Mass (m) Select mass unit milligrams (mg) grams (g) ounces (oz) pounds (lb) kilograms (kg) stones (st) tons (ton, short, usa) tonnes (t, metric) tons (ton, long, uk) micrograms (µg or mcg) milligrams (mg) grams (g) kilograms (kg) tonnes (t, metric) kilotonnes (kt, metric) megatonnes (Mt, metric) ounces (oz) pounds (lb) stones (st) hundredweight (cwt, short, usa) hundredweight (cwt, long, uk) tons (ton, short, usa) tons (ton, long, uk) kilotons (kt, short, usa) kilotons (kt, long, uk) megatons (Mt, short, usa) megatons (Mt, long, uk) yoctograms (yg) zeptograms (zg) attograms (ag) femtograms (fg) picograms (pg) nanograms (ng) micrograms (µg) milligrams (mg) centigrams (cg) decigrams (dg) grams (g) decagrams (dag) hectograms (hg) kilograms (kg) megagrams (Mg) gigagrams (Gg) teragrams (Tg) petagrams (Pg) exagrams (Eg) zettagrams (Zg) yottagrams (Yg) tonnes (t, metric) kilotonnes (kt, metric) megatonnes (Mt, metric) gigatonnes (Gt, metric) teratonnes (Tt, metric) petatonnes (Pt, metric) exatonnes (Et, metric) zettatonnes (Zt, metric) yottatonnes (Yt, metric) Intrinsic Energy (E) Select energy unit joules (J) kilojoules (kJ) electronvolts (eV) kilotons of TNT (kt TNT) megatons of TNT (Mt TNT) kilowatt-hours (kW·h) british thermal units (Btu ISO) foot-pounds (ft·lb) newton-metres (N·m) kilocalories (kcal) ergs (erg) electronvolts (eV) kilotons of TNT (kt TNT) megatons of TNT (Mt TNT) gigatons of TNT (Gt TNT) teratons of TNT (Tt TNT) british thermal units (Btu ISO) calories (cal) kilocalories (kcal) joules (J) kilojoules (kJ) foot-pounds (ft·lb) newton-metres (N·m) kilogram-force metres (kgf·m) gram-force centimetres (gf·cm) ergs (erg) kilocalories (kcal) kilojoules (kJ) yoctojoules (yJ) zeptojoules (zJ) attojoules (aJ) femtojoules (fJ) picojoules (pJ) nanojoules (nJ) microjoules (µJ) millijoules (mJ) centijoules (cJ) decijoules (dJ) joules (J) decajoules (daJ) hectojoules (hJ) kilojoules (kJ) megajoules (MJ) gigajoules (GJ) terajoules (TJ) petajoules (PJ) exajoules (EJ) zettajoules (ZJ) yottajoules (YJ) yoctoelectronvolts (yeV) zeptoelectronvolts (zeV) attoelectronvolts (aeV) femtoelectronvolts (feV) picoelectronvolts (peV) nanoelectronvolts (neV) microelectronvolts (µeV) millielectronvolts (meV) centielectronvolts (ceV) decielectronvolts (deV) electronvolts (eV) decaelectronvolts (daeV) hectoelectronvolts (heV) kiloelectronvolts (keV) megaelectronvolts (MeV) gigaelectronvolts (GeV) teraelectronvolts (TeV) petaelectronvolts (PeV) exaelectronvolts (EeV) zettaelectronvolts (ZeV) yottaelectronvolts (YeV) yoctowatt-hours (yW·h) zeptowatt-hours (zW·h) attowatt-hours (aW·h) femtowatt-hours (fW·h) picowatt-hours (pW·h) nanowatt-hours (nW·h) microwatt-hours (µW·h) milliwatt-hours (mW·h) centiwatt-hours (cW·h) deciwatt-hours (dW·h) watt-hours (W·h) decawatt-hours (daW·h) hectowatt-hours (hW·h) kilowatt-hours (kW·h) megawatt-hours (MW·h) gigawatt-hours (GW·h) terawatt-hours (TW·h) petawatt-hours (PW·h) exawatt-hours (EW·h) zettawatt-hours (ZW·h) yottawatt-hours (YW·h) yoctocalories (ycal) zeptocalories (zcal) attocalories (acal) femtocalories (fcal) picocalories (pcal) nanocalories (ncal) microcalories (µcal) millicalories (mcal) centicalories (ccal) decicalories (dcal) calories (cal) decacalories (dacal) hectocalories (hcal) kilocalories (kcal) megacalories (Mcal) gigacalories (Gcal) teracalories (Tcal) petacalories (Pcal) exacalories (Ecal) zettacalories (Zcal) yottacalories (Ycal) Result Intrinsic Energy (E) = Click save settings to reload page with unique web page address for bookmarking and sharing the current tool settings Change the answer mode for this tool by selecting the object’s rest mass (m), or intrinsic energy (E) as the parameter to calculate instead m E