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Description how to build units witht the D-SI format is [here](StructureSIUnits.md). Description how to build units witht the D-SI format is [here](StructureSIUnits.md).
## SI base units of measurement (platinum units) ## SI base units of measurement (platinum units)
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |SI Reference| | D-SI identifier | D-SI medal | SI name | SI symbol | SI reference |
|-:|-:|-:|-:|-:| | ---------------:| ----------:| --------:| ---------:| ------------:|
|\metre|platinum|meter|m|[1, Table 2]| | \metre | platinum | meter | m | [1, Table 2] |
|\kilogram|platinum|kilogram|kg|[1, Table 2]| | \kilogram | platinum | kilogram | kg | [1, Table 2] |
|\second|platinum|second|s|[1, Table 2]| | \second | platinum | second | s | [1, Table 2] |
|\ampere|platinum|ampere|A|[1, Table 2]| | \ampere | platinum | ampere | A | [1, Table 2] |
|\kelvin|platinum|kelvin|K|[1, Table 2]| | \kelvin | platinum | kelvin | K | [1, Table 2] |
|\mole|platinum|mole|mol|[1, Table 2]| | \mole | platinum | mole | mol | [1, Table 2] |
|\candela|platinum|candela|cd|[1, Table 2]|" | \candela | platinum | candela | cd | [1, Table 2] |
## D-SI additional platinum units of measurement ## D-SI additional platinum units of measurement
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |SI Reference| | D-SI identifier | D-SI medal | SI name | SI symbol | SI reference |
|-:|-:|-:|-:|-:| | ---------------:| ----------:| ---------:| ---------:| ---------------:|
|\one|platinum|one|1|[1, Sec. 2.2.1]| | \one | platinum | one | 1 | [1, Sec. 2.2.1] |
|\day|platinum|day|d|[1, Table 8]| | \day | platinum | day | d | [1, Table 8] |
|\hour|platinum|hour|h|[1, Table 8]| | \hour | platinum | hour | h | [1, Table 8] |
|\minute|platinum|minute|min|[1, Table 8]| | \minute | platinum | minute | min | [1, Table 8] |
|\degree|platinum|degree|°|[1, Table 8]| | \degree | platinum | degree | ° | [1, Table 8] |
|\arcminute|platinum|arcminute|‘|[1, Table 8]| | \arcminute | platinum | arcminute | ' | [1, Table 8] |
|\arcsecond|platinum|arcsecond|“|[1, Table 8]|" | \arcsecond | platinum | arcsecond | " | [1, Table 8] |
## SI derived units of measurement ## SI derived units of measurement
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |SI base unit expression|D-SI base unit expression|SI Reference| |D-SI identifier|D-SI medal|SI name|SI symbol|SI base unit expression|D-SI base unit expression|SI reference|
|-:|-:|-:|-:|-:|-:|-:| |--------------:|---------:|------:|--------:|----------------------:|------------------------:|-----------:|
|\gram|gold|gram(a|g|10-3 kg|\kilogram|[1, Sec. 3]| | \gram| gold| gram| g| 10⁻³ kg| \kilogram| [1, Sec. 3]|
|\radian|gold|radian|rad|m/m|\metre\metre\tothe{-1}|[1, Table 4]| | \radian| gold| radian| rad| m/m| \metre\metre\tothe{-1}|[1, Table 4]|
|\steradian|gold|steradian|sr|m2/m2|\metre\tothe{2}\metre\tothe{-2}|[1, Table 4]| | \steradian| gold|steradian| sr| m²/m²| \metre\tothe{2}\metre\tothe{-2}|[1, Table 4]|
|\hertz|gold|hertz|Hz|s-1|\second\tothe{-1}|[1, Table 4]| | \hertz| gold| hertz| Hz| s⁻¹| \second\tothe{-1}|[1, Table 4]|
|\newton|gold|newton|N|m kg s-2|\metre\kilogram\second\tothe{-2}|[1, Table 4]| | \newton| gold| newton| N| m kg s⁻²| \metre\kilogram\second\tothe{-2}|[1, Table 4]|
|\pascal|gold|pascal|Pa|m-1 kg s-2|\metre\tothe{-1}\kilogram\second\tothe{-2}|[1, Table 4]| | \pascal| gold| pascal| Pa| m⁻¹ kg s⁻²|\metre\tothe{-1}\kilogram\second\tothe{-2}|[1, Table 4]|
|\joule|gold|joule|J|m2 kg s-2|\metre\tothe{2}\kilogram\second\tothe{-2}|[1, Table 4]| | \joule| gold| joule| J| m² kg s⁻²| \metre\tothe{2}\kilogram\second\tothe{-2}|[1, Table 4]|
|\watt|gold|watt|W|m2 kg s-3|\metre\tothe{2}\kilogram\second\tothe{-3}|[1, Table 4]| | \watt| gold| watt| W| m² kg s⁻³| \metre\tothe{2}\kilogram\second\tothe{-3}|[1, Table 4]|
|\coulomb|gold|coulomb|C|s A|\second\ampere|[1, Table 4]| |\coulomb|gold|coulomb| C| s A| \second\ampere|[1, Table 4]|
|\volt|gold|volt|V|m2 kg s-3 A-1|\metre\tothe{2}\kilogram\second\tothe{-3}\ampere\tothe{-1}|[1, Table 4]| | \volt|gold| volt| V| m² kg s⁻³ A⁻¹| \metre\tothe{2}\kilogram\second\tothe{-3}\ampere\tothe{-1}|[1, Table 4]|
|\farad|gold|farad|F|m-2 kg-1 s4 A2|\metre\tothe{-2}\kilogram\tothe{-1}\second\tothe{4}\ampere\tothe{2}|[1, Table 4]| | \farad|gold| farad| F|m⁻² kg⁻¹ s⁴ A²|\metre\tothe{-2}\kilogram\tothe{-1}\second\tothe{4}\ampere\tothe{2}|[1, Table 4]|
|\ohm|gold|ohm|Ω|m2 kg s-3 A-2|\metre\tothe{2}\kilogram\second\tothe{-3}\ampere\tothe{-2}|[1, Table 4]| | \ohm|gold| ohm| Ω| m² kg s⁻³ A⁻²| \metre\tothe{2}\kilogram\second\tothe{-3}\ampere\tothe{-2}|[1, Table 4]|
|\siemens|gold|siemens|S|m-2 kg-1 s3 A2|\metre\tothe{-2}\kilogram\tothe{-1}\second\tothe{3}\ampere\tothe{2}|[1, Table 4]| |\siemens|gold|siemens| S|m⁻² kg⁻¹ s³ A²|\metre\tothe{-2}\kilogram\tothe{-1}\second\tothe{3}\ampere\tothe{2}|[1, Table 4]|
|\weber|gold|weber|Wb|m2 kg s-2 A-1|\metre\tothe{2}\kilogram\second\tothe{-2}\ampere\tothe{-1}|[1, Table 4]| | \weber|gold| weber| Wb| m² kg s⁻² A⁻¹| \metre\tothe{2}\kilogram\second\tothe{-2}\ampere\tothe{-1}|[1, Table 4]|
|\tesla|gold|tesla|T|kg s-2 A-1|\kilogram\second\tothe{-2}\ampere\tothe{-1}|[1, Table 4]| | \tesla|gold| tesla| T| kg s⁻² A⁻¹| \kilogram\second\tothe{-2}\ampere\tothe{-1}|[1, Table 4]|
|\henry|gold|henry|H|m2 kg s-2 A-2|\metre\tothe{2}\kilogram\second\tothe{-2}\ampere\tothe{-2}|[1, Table 4]| | \henry|gold| henry| H| m² kg s⁻² A⁻²| \metre\tothe{2}\kilogram\second\tothe{-2}\ampere\tothe{-2}|[1, Table 4]|
|\degreecelsius|gold|degree Celsius|°C|K|\kelvin|[1, Table 4]| |\degreecelsius|gold| degree Celsius| °C| K| \kelvin|[1, Table 4]|
|\lumen|gold|lumen|lm|m2 m-2 cd|\metre\tothe{2}\metre\tothe{-2}\candela|[1, Table 4]| | \lumen|gold| lumen| lm|m2 m⁻² cd|\metre\tothe{2}\metre\tothe{-2}\candela|[1, Table 4]|
|\lux|gold|lux|lx|m-2 cd|\metre\tothe{-2}\candela|[1, Table 4]| | \lux|gold| lux| lx| m⁻² cd| \metre\tothe{-2}\candela|[1, Table 4]|
|\becquerel|gold|becquerel|Bq|s-1|\second\tothe{-1}|[1, Table 4]| | \becquerel|gold| becquerel| Bq| s⁻¹| \second\tothe{-1}|[1, Table 4]|
|\sievert|gold|sievert|Sv|m2 s-2|\metre\tothe{2}\second\tothe{-2}|[1, Table 4]| | \sievert|gold| sievert| Sv| m² s⁻²| \metre\tothe{2}\second\tothe{-2}|[1, Table 4]|
|\gray|gold|gray|Gy|m2 s-2|\metre\tothe{2}\second\tothe{-2}|[1, Table 4]| | \gray|gold| gray| Gy| m² s⁻²| \metre\tothe{2}\second\tothe{-2}|[1, Table 4]|
|\katal|gold|katal|kat|s-1 mol|\second\tothe{-1}\mole|[1, Table 4]| | \katal|gold| katal|kat| s⁻¹ mol| \second\tothe{-1}\mole|[1, Table 4]|
|\bit|gold|bit|bit|1|\one|[1, p. 143]| | \bit|gold| bit|bit| 1| \one| [1, p. 143]|
|\byte|gold|byte|B|1|\one|[1, p. 143]| | \byte|gold| byte| B| 1| \one| [1, p. 143]|
|\ppm|gold|parts per million|ppm|1|\one|[1, Sec. 5.4.7]| | \ppm|gold|parts per million|ppm| 1| \one|[1, Sec. 5.4.7]|
|\percent|gold|percent|%|1|\one|[1, Sec. 5.4.7]|" | \percent|gold| percent| %| 1| \one|[1, Sec. 5.4.7]|
## Non-SI units of measurement allowed with the SI ## Non-SI units of measurement allowed with the SI
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |SI base unit expression|D-SI base unit expression|SI Reference| |D-SI identifier|D-SI medal| SI name|SI symbol|SI base unit expression| D-SI base unit expression|SI reference|
|-:|-:|-:|-:|-:|-:|-:| |--------------:|---------:|-------:|--------:|----------------------:|--------------------------:|-----------:|
|\hectare|silver|hectare|ha|m2|\metre\tothe{2}|[1, Table 8]| | \hectare|silver| hectare|ha| m²| \metre\tothe{2}|[1, Table 8]|
|\litre|silver|litre|l|m3|\metre\tothe{3}|[1, Table 8]| | \litre|silver| litre| l| m³| \metre\tothe{3}|[1, Table 8]|
|\tonne|silver|tonne|t|kg|\kilogram|[1, Table 8]| | \tonne|silver| tonne| t| kg| \kilogram|[1, Table 8]|
|\electronvolt|silver|electronvolt|eV|m2 kg s-2|\metre\tothe{2}\kilogram\second\tothe{-2}|[1, Table 8]| | \electronvolt|silver| electronvolt|eV|m² kg s⁻²|\metre\tothe{2}\kilogram\second\tothe{-2}|[1, Table 8]|
|\dalton|silver|dalton|Da|kg|\kilogram|[1, Table 8]| | \dalton|silver| dalton|Da| kg| \kilogram|[1, Table 8]|
|\astronomicalunit|silver|astronomical Unit|au|m|\metre|[1, Table 8]| |\astronomicalunit|silver|astronomical unit|au| m| \metre|[1, Table 8]|
|\neper|silver|neper|Np|1|\one|[1, Table 8]| | \neper|silver| neper|Np| 1| \one|[1, Table 8]|
|\bel|silver|bel|B|1|\one|[1, Table 8]| | \bel|silver| bel| B| 1| \one|[1, Table 8]|
|\decibel|silver|decibel(b|dB|1|\one|[1, Table 8]|" | \decibel|silver| decibel|dB| 1| \one|[1, Table 8]|
## SI prefixes decimal ## SI prefixes decimal
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |Multiplyer|SI Reference| | D-SI identifier | D-SI medal | SI name | SI symbol | Multiplier | SI reference |
|-:|-:|-:|-:|-:|-:| | ---------------:| ----------:| -------:| ---------:| --------------------------------:| -----------------:|
|\deca|gold|deca(a|da|10|[1, Table 7]| | \deca | gold | deca | da | 10 | [1, Table 7] |
|\hecto|gold|hecto(a|h|100|[1, Table 7]| | \hecto | gold | hecto | h | 100 | [1, Table 7] |
|\kilo|gold|kilo(a,b|k|1000|[1, Table 7]| | \kilo | gold | kilo | k | 1000 | [1, Table 7] |
|\mega|gold|mega(a|M|1000000|[1, Table 7]| | \mega | gold | mega | M | 1000000 | [1, Table 7] |
|\giga|gold|giga(a|G|1000000000|[1, Table 7]| | \giga | gold | giga | G | 1000000000 | [1, Table 7] |
|\tera|gold|tera(a|T|1000000000000|[1, Table 7]| | \tera | gold | tera | T | 1000000000000 | [1, Table 7] |
|\peta|gold|peta(a|P|1000000000000000|[1, Table 7]| | \peta | gold | peta | P | 1000000000000000 | [1, Table 7] |
|\exa|gold|exa(a|E|1000000000000000000|[1, Table 7]| | \exa | gold | exa | E | 1000000000000000000 | [1, Table 7] |
|\zetta|gold|zetta(a|Z|1000000000000000000000|[1, Table 7]| | \zetta | gold | zetta | Z | 1000000000000000000000 | [1, Table 7] |
|\yotta|gold|yotta(a|Y|1000000000000000000000000|[1, Table 7]| | \yotta | gold | yotta | Y | 1000000000000000000000000 | [1, Table 7] |
|\ronna|gold|ronna|R|1000000000000000000000000000|[2, Resolution 3]| | \ronna | gold | ronna | R | 1000000000000000000000000000 | [2, Resolution 3] |
|\quetta|gold|quetta|Q|1000000000000000000000000000000|[2, Resolution 3]| | \quetta | gold | quetta | Q | 1000000000000000000000000000000 | [2, Resolution 3] |
|\deci|gold|deci(a ,b|d|0.1|[1, Table 7]| | \deci | gold | deci | d | 0.1 | [1, Table 7] |
|\centi|gold|centi(a|c|0.01|[1, Table 7]| | \centi | gold | centi | c | 0.01 | [1, Table 7] |
|\milli|gold|milli(a|m|0.001|[1, Table 7]| | \milli | gold | milli | m | 0.001 | [1, Table 7] |
|\micro|gold|micro(a|μ|0.000001|[1, Table 7]| | \micro | gold | micro | μ | 0.000001 | [1, Table 7] |
|\nano|gold|nano(a|n|0.000000001|[1, Table 7]| | \nano | gold | nano | n | 0.000000001 | [1, Table 7] |
|\pico|gold|pico(a|p|0.000000000001|[1, Table 7]| | \pico | gold | pico | p | 0.000000000001 | [1, Table 7] |
|\femto|gold|femto(a|f|0.000000000000001|[1, Table 7]| | \femto | gold | femto | f | 0.000000000000001 | [1, Table 7] |
|\atto|gold|atto(a|a|0.000000000000000001|[1, Table 7]| | \atto | gold | atto | a | 0.000000000000000001 | [1, Table 7] |
|\zepto|gold|zepto(a|z|0.000000000000000000001|[1, Table 7]| | \zepto | gold | zepto | z | 0.000000000000000000001 | [1, Table 7] |
|\yocto|gold|yocto(a|y|0.000000000000000000000001|[1, Table 7]| | \yocto | gold | yocto | y | 0.000000000000000000000001 | [1, Table 7] |
|\ronto|gold|ronto|r|0.000000000000000000000000001|[2, Resolution 3]| | \ronto | gold | ronto | r | 0.000000000000000000000000001 | [2, Resolution 3] |
|\quecto|gold|quecto|q|0.000000000000000000000000000001|[2, Resolution 3]|" | \quecto | gold | quecto | q | 0.000000000000000000000000000001 | [2, Resolution 3] |
## SI prefixes binary ## SI prefixes binary
|D-SI Identifyer|D-SI Medal|SI name|SI symbol |Multiplyer|SI Reference| | D-SI identifier | D-SI medal | SI name | SI symbol | Multiplier | SI reference |
|-:|-:|-:|-:|-:|-:| | ---------------:| ----------:| -------:| ---------:| -------------------------:| ------------:|
|\kibi|gold|kibi|Ki |1024|[1, p. 143]| | \kibi | gold | kibi | Ki | 1024 | [1, p. 143] |
|\mebi|gold|mebi|Mi|1048576|[1, p. 143]| | \mebi | gold | mebi | Mi | 1048576 | [1, p. 143] |
|\gibi|gold|gibi|Gi|1073741824|[1, p. 143]| | \gibi | gold | gibi | Gi | 1073741824 | [1, p. 143] |
|\tebi|gold|tebi|Ti|1099511627776|[1, p. 143]| | \tebi | gold | tebi | Ti | 1099511627776 | [1, p. 143] |
|\pebi|gold|pebi|Pi|1125899906842624|[1, p. 143]| | \pebi | gold | pebi | Pi | 1125899906842624 | [1, p. 143] |
|\exbi|gold|exbi|Ei|1152921504606846976|[1, p. 143]| | \exbi | gold | exbi | Ei | 1152921504606846976 | [1, p. 143] |
|\zebi|gold|zebi |Zi|1180591620717411303424|[1, p. 143]| | \zebi | gold | zebi | Zi | 1180591620717411303424 | [1, p. 143] |
|\yobi|gold|yobi |Yi|1208925819614629174706176|[1, p. 143]|" | \yobi | gold | yobi | Yi | 1208925819614629174706176 | [1, p. 143] |
## Operators for combining units
| D-SI identifier | Description | Examples | D-SI medal |
| ---------------:| ---------------------------------------------------------------:| ----------------------------------:| ----------:|
| | Multiplication: simply append one unit to another | \metre\metre | platinum |
| \tothe{n} | Exponent: following a unit where n is an integer or (+-)0.5 | \metre\tothe{2}, \volt\tothe{-0.5} | platinum |
| \per | Division: All units on the left side of the operator devided by all units on its right side | \metre\per\metre | silver |
### References ### References
[1] BIPM: 9th edition SI brochure (english): https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
[2] BIPM: List of Resolutions for the 27th meeting of the General Conference on Weights and Measures 2022: https://www.bipm.org/documents/20126/77765681/Resolutions-2022.pdf/281f3160-fc56-3e63-dbf7-77b76500990f#page=22
[1] BIPM: 9th edition SI brochure (englisch): https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf [**Home**](wiki/d-si-online-guide.md)
[2] BIPM: List of Resolutions for the 27th meeting of the General Conference on Weights and Measures 2022
[**Home**](wiki/d-si-online-guide.md)
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