Currently, there are a few different units in the metric system. To avoid confusion, a consistent SI unit table can be utilized by both the general public and experts is adopted.
| Statutory measurement unit | SI unit |
|---|---|
| Phon | Decibel[dB] |
| Kilogram force[kgf] | Newton[N] |
| Calorie[cal] | Joule[J] |
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