Convert Nanojoules to Gigajoules
Convert Nanojoules (nJ) to Gigajoules (GJ) instantly and accurately.
Conversion Formula
GJ = nJ × 1.000000000e-18
About Nanojoules
A nanojoule (nJ) is 10⁻⁹ J - the scale of ultrashort laser pulses, flash memory write operations, and cellular ATP reserves. A Ti:sapphire laser oscillator produces pulses of 1-20 nJ at 80 MHz. Flash NAND programming costs ~1-10 nJ/bit written; a read is ~0.1 nJ/bit. The total ATP energy stored in a single red blood cell is ~1-5 nJ. The kinetic energy of a 1 µg particle at 1.4 m/s is ~1 nJ, illustrating that nanojoules describe real nanoscale mechanical events. 1 nJ = 10⁻⁹ J.
About Gigajoules
A gigajoule (GJ) is 10⁹ J - the scale of fossil-fuel commodity volumes. One barrel of crude oil contains ~5.80 GJ; one metric tonne of hard coal ~29.3 GJ. Canadian energy bills express household consumption in GJ: average Canadian households use ~100-130 GJ/year. A 1 GW power plant at 33% efficiency burns ~10.9 GJ/h of fuel to generate 1 GWh = 3.6 GJ of electricity. Detonation of 1 tonne of TNT releases 4.184 GJ. 1 GJ = 10⁹ J = 277.78 kWh = 947,817 BTU = 9.4782 therms.
Quick Reference Table
| Nanojoules (nJ) | Gigajoules (GJ) |
|---|---|
| 1 nJ | 1 × 10-18 GJ |
| 2 nJ | 2 × 10-18 GJ |
| 5 nJ | 5 × 10-18 GJ |
| 10 nJ | 1 × 10-17 GJ |
| 25 nJ | 2.5 × 10-17 GJ |
| 50 nJ | 5 × 10-17 GJ |
| 100 nJ | 1 × 10-16 GJ |