Zeptojoules: conversions & definition
Zeptojoules (zJ) represent energy. One unit equals 10^-21 J. One joule is one newton-meter of work or one watt-second of energy.
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Each row converts one zJ. Open a converter to enter any value and see its formula, worked example and reference table. Results below are rounded to 10 significant digits.
| Convert to | Equivalent value | Calculator |
|---|---|---|
| Joules (J) | ≈ 1e-21 | Convert zJ to J |
| Millijoules (mJ) | ≈ 1e-18 | Convert zJ to mJ |
| Kilojoules (kJ) | ≈ 1e-24 | Convert zJ to kJ |
| Microjoules (µJ) | ≈ 1e-15 | Convert zJ to µJ |
| Megajoules (MJ) | ≈ 1e-27 | Convert zJ to MJ |
| Nanojoules (nJ) | ≈ 1e-12 | Convert zJ to nJ |
| Gigajoules (GJ) | ≈ 1e-30 | Convert zJ to GJ |
| Centijoules (cJ) | ≈ 1e-19 | Convert zJ to cJ |
| Decijoules (dJ) | ≈ 1e-20 | Convert zJ to dJ |
| Hectojoules (hJ) | ≈ 1e-23 | Convert zJ to hJ |
| Decajoules (daJ) | ≈ 1e-22 | Convert zJ to daJ |
| Picojoules (pJ) | ≈ 1e-9 | Convert zJ to pJ |
| Terajoules (TJ) | ≈ 1e-33 | Convert zJ to TJ |
| Femtojoules (fJ) | ≈ 0.000001 | Convert zJ to fJ |
| Petajoules (PJ) | ≈ 1e-36 | Convert zJ to PJ |
| Attojoules (aJ) | ≈ 0.001 | Convert zJ to aJ |
| Exajoules (EJ) | ≈ 1e-39 | Convert zJ to EJ |
| Zettajoules (ZJ) | ≈ 1e-42 | Convert zJ to ZJ |
| Yoctojoules (yJ) | ≈ 1,000 | Convert zJ to yJ |
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