Kinetic Energy Calculator
Mass
kg
Velocity
m/s
Einstein's famous equation E = mc² expresses the equivalence of energy (E) and mass (m), connected by c² (speed of light squared, ~9 × 10¹⁶ m²/s²). It means a tiny amount of mass contains an enormous amount of energy — the basis of nuclear power and weapons.
💡
Tip: In nuclear reactions, the mass difference (mass defect) between reactants and products is what becomes energy via E=mc². In fission, uranium splits and the products weigh slightly less — that mass difference is the released energy.
- 1E = mc² where c = 299,792,458 m/s (speed of light)
- 2c² = 8.9875 × 10¹⁶ J/kg
- 31 gram of mass contains 89.875 terajoules of energy
- 4That's equivalent to ~21.5 kilotons of TNT — similar to the Hiroshima bomb
Mass = 1 gram (0.001 kg)=E = 8.99 × 10¹³ J = 89.9 TJEquivalent to ~21.5 kilotons TNT
Mass = 1 kg=E = 8.99 × 10¹⁶ J = 89.9 PJEquivalent to 21.5 megatons TNT
| Mass | Energy | Equivalent to |
|---|---|---|
| 1 microgram (µg) | 89.9 GJ | 21.5 tons of TNT |
| 1 milligram (mg) | 89.9 TJ | 21.5 kilotons of TNT |
| 1 gram (g) | 89.9 PJ | 21.5 megatons of TNT |
| 1 kg | 89.9 EJ | 21.5 gigatons of TNT |
⭐
Fun Fact
Nuclear power plants convert less than 0.1% of fuel mass to energy. If 100% mass-to-energy conversion were possible, 1 kg of matter would power the entire world for about 3 years.
References
🔒
୧୦୦% ମାଗଣା
ପଞ୍ଜୀକରଣ ଆବଶ୍ୟକ ନାହିଁ
✓
ସଠିକ
ଯାଞ୍ଚ ହୋଇଥିବା ସୂତ୍ର
⚡
ତତ୍କ୍ଷଣ
ତତ୍କ୍ଷଣ ଫଳ
📱
ମୋବାଇଲ୍ ଅନୁକୂଳ
ସମସ୍ତ ଡିଭାଇସ୍