Convert Microjoules to Terajoules
Convert Microjoules (µJ) to Terajoules (TJ) instantly and accurately.
Conversion Formula
TJ = µJ × 1.000000000e-18
About Microjoules
A microjoule (µJ) is 10⁻⁶ J - the scale of precision laser ablation, ESD damage events, and individual LIDAR pulses. LASIK eye surgery delivers 0.5-2 µJ per pulse at 193 nm, ablating ~0.25 µm of corneal tissue per pulse. ESD events that destroy IC gates correspond to 1-1,000 µJ; the Human Body Model test discharges ~500 µJ at 2 kV. Q-switched microchip laser pulses for rangefinding are 1-100 µJ. The kinetic energy of a 1 mg grain of sand falling 10 cm is mgh ≈ 0.98 µJ. 1 µJ = 10⁻⁶ J.
About Terajoules
A terajoule (TJ) is 10¹² J - the scale of nuclear yields in the kiloton range and large industrial accidents. One kiloton of TNT = 4.184 TJ; the Hiroshima bomb (15 kt) released ~62.8 TJ. The Halifax Explosion (1917) released ~3 TJ. A 500 MW coal plant consumes ~51.4 TJ/h of thermal input. Daily primary energy of Denmark is ~250-300 TJ; the UK ~3,800 TJ/day. A 1 GW nuclear reactor at 90% capacity factor generates ~77.7 TJ/day. 1 TJ = 10¹² J = 277,778 kWh = 277.78 MWh = 23.88 ktoe.
Quick Reference Table
| Microjoules (µJ) | Terajoules (TJ) |
|---|---|
| 1 µJ | 1 × 10-18 TJ |
| 2 µJ | 2 × 10-18 TJ |
| 5 µJ | 5 × 10-18 TJ |
| 10 µJ | 1 × 10-17 TJ |
| 25 µJ | 2.5 × 10-17 TJ |
| 50 µJ | 5 × 10-17 TJ |
| 100 µJ | 1 × 10-16 TJ |