dimvexa-data 0.5.0

# SPDX-License-Identifier: MIT OR Apache-2.0
# Base pack: SI base and derived units, non-SI units (BIPM Table 8), temperature kinds.
# Factors are exact fractions num/den of the coherent SI unit: si = factor * x + offset.

[[unit]]
id = "m"
name = "Metre"
aliases = []
dim = [0, 1, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "metre, defined by the fixed value of the speed of light"

[[unit]]
id = "g"
name = "Gram"
aliases = []
dim = [1, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1000"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "gram = 1/1000 of the SI base unit kilogram; kg is resolved as k + g"

[[unit]]
id = "s"
name = "Second"
aliases = []
dim = [0, 0, 1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "second, defined by the caesium hyperfine frequency"

[[unit]]
id = "A"
name = "Ampere"
aliases = []
dim = [0, 0, 0, 1, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "ampere, defined by the fixed value of the elementary charge"

[[unit]]
id = "K"
name = "Kelvin"
aliases = []
dim = [0, 0, 0, 0, 1, 0, 0]
kind = "absolute_temperature"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "kelvin, defined by the fixed value of the Boltzmann constant; absolute temperature kind"

[[unit]]
id = "mol"
name = "Mole"
aliases = []
dim = [0, 0, 0, 0, 0, 1, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "mole, defined by the fixed value of the Avogadro constant"

[[unit]]
id = "cd"
name = "Candela"
aliases = []
dim = [0, 0, 0, 0, 0, 0, 1]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (SI base units)"
note = "candela, defined by the luminous efficacy of 540 THz radiation"

[[unit]]
id = "Hz"
name = "Hertz"
aliases = []
dim = [0, 0, -1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "hertz = 1/s"

[[unit]]
id = "N"
name = "Newton"
aliases = []
dim = [1, 1, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "newton = kg m/s^2"

[[unit]]
id = "Pa"
name = "Pascal"
aliases = []
dim = [1, -1, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "pascal = N/m^2"

[[unit]]
id = "J"
name = "Joule"
aliases = []
dim = [1, 2, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "joule = N m"

[[unit]]
id = "W"
name = "Watt"
aliases = []
dim = [1, 2, -3, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "watt = J/s"

[[unit]]
id = "C"
name = "Coulomb"
aliases = []
dim = [0, 0, 1, 1, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "coulomb = A s"

[[unit]]
id = "V"
name = "Volt"
aliases = []
dim = [1, 2, -3, -1, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "volt = W/A"

[[unit]]
id = "ohm"
name = "Ohm"
symbol = "Ω"
aliases = ["Ω", "Ω"]
dim = [1, 2, -3, -2, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "ohm = V/A; Greek capital omega and the ohm sign are aliases"

[[unit]]
id = "F"
name = "Farad"
aliases = []
dim = [-1, -2, 4, 2, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "farad = C/V"

[[unit]]
id = "S"
name = "Siemens"
aliases = []
dim = [-1, -2, 3, 2, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "siemens = A/V"

[[unit]]
id = "Wb"
name = "Weber"
aliases = []
dim = [1, 2, -2, -1, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "weber = V s"

[[unit]]
id = "T"
name = "Tesla"
aliases = []
dim = [1, 0, -2, -1, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "tesla = Wb/m^2"

[[unit]]
id = "H"
name = "Henry"
aliases = []
dim = [1, 2, -2, -2, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "henry = Wb/A"

[[unit]]
id = "min"
name = "Minute"
aliases = []
dim = [0, 0, 1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "60/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (Non-SI units)"
note = "minute = 60 s"

[[unit]]
id = "h"
name = "Hour"
aliases = []
dim = [0, 0, 1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "3600/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (Non-SI units)"
note = "hour = 60 min = 3600 s"

[[unit]]
id = "d"
name = "Day"
aliases = []
dim = [0, 0, 1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "86400/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (Non-SI units)"
note = "day = 24 h = 86400 s (not a sidereal or calendar day)"

[[unit]]
id = "L"
name = "Litre"
aliases = []
dim = [0, 3, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1000"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (Non-SI units)"
note = "litre = 1 dm^3 = 1/1000 m^3"

[[unit]]
id = "tonne"
name = "Tonne"
symbol = "t"
aliases = ["t"]
dim = [1, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1000/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (Non-SI units)"
note = "tonne (metric ton) = 1000 kg; t is an alias; the bare word ton is ambiguous and rejected"

[[unit]]
id = "Wh"
name = "Watt hour"
aliases = []
dim = [1, 2, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "3600/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "definition: watt (SI Brochure 9th ed., Table 4) times hour (SI Brochure 9th ed., ch. 4); NIST SP 811 (2008), Appendix B lists kW h = 3.6E+06 J"
note = "watt hour = 3600 J; kWh and MWh come from the SI prefixes"

[[unit]]
id = "degC"
name = "Degree Celsius"
symbol = "°C"
aliases = ["°C"]
dim = [0, 0, 0, 0, 1, 0, 0]
kind = "absolute_temperature"
shape = "affine"
factor = "1/1"
offset = "5463/20"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2 (degree Celsius, t/degC = T/K - 273.15)"
note = "degree Celsius: K = degC + 273.15; absolute temperature"

[[unit]]
id = "delta_K"
name = "Kelvin difference"
symbol = "ΔK"
aliases = ["ΔK"]
dim = [0, 0, 0, 0, 1, 0, 0]
kind = "temperature_difference"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 2 (kelvin); section 2.3.4 (a temperature difference of 1 K equals that of 1 degC)"
note = "temperature difference of 1 K"

[[unit]]
id = "delta_degC"
name = "Degree Celsius difference"
symbol = "Δ°C"
aliases = ["Δ°C"]
dim = [0, 0, 0, 0, 1, 0, 0]
kind = "temperature_difference"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4, note (f) (degree Celsius, temperature intervals)"
note = "temperature difference of 1 degC = 1 K"

[[unit]]
id = "ar"
name = "Are"
aliases = []
dim = [0, 2, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "100/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "std"
source = "NIST SP 811 (2008), Appendix B.8 (are = 1 dam^2 = 10^2 m^2)"
note = "are = 100 m^2 (1 dam^2). NIST writes the symbol as a, which is also the year, so the id is ar and bare a is rejected; not an SI unit, hectare is the accepted one"

[[unit]]
id = "ha"
name = "Hectare"
aliases = []
dim = [0, 2, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "10000/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (hectare = 1 hm^2 = 10^4 m^2)"
note = "hectare = 10 000 m^2"

[[unit]]
id = "au"
name = "Astronomical unit"
aliases = []
dim = [0, 1, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "149597870700/1"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 and note (j) (astronomical unit = 149 597 870 700 m; IAU 2012 Resolution B2)"
note = "astronomical unit fixed by the IAU in 2012"

[[unit]]
id = "angstrom"
name = "Angstrom"
symbol = "Å"
aliases = ["Å", "Å"]
dim = [0, 1, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/10000000000"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (other non-SI units: angstrom = 0.1 nm = 10^-10 m)"
note = "angstrom = 1e-10 m; the capital A with ring (U+00C5) and the angstrom sign (U+212B) are aliases"

[[unit]]
id = "Bq"
name = "Becquerel"
aliases = []
dim = [0, 0, -1, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "becquerel = 1/s (same dimension as the hertz)"

[[unit]]
id = "Gy"
name = "Gray"
aliases = []
dim = [0, 2, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "gray = J/kg (same dimension as the sievert)"

[[unit]]
id = "Sv"
name = "Sievert"
aliases = []
dim = [0, 2, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "sievert = J/kg (same dimension as the gray)"

[[unit]]
id = "lm"
name = "Lumen"
aliases = []
dim = [0, 0, 0, 0, 0, 0, 1]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "lumen = cd sr, and the steradian is dimensionless (ADR-007)"

[[unit]]
id = "lx"
name = "Lux"
aliases = []
dim = [0, -2, 0, 0, 0, 0, 1]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "lux = lm/m^2"

[[unit]]
id = "kat"
name = "Katal"
aliases = []
dim = [0, 0, -1, 0, 0, 1, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "katal = mol/s"

[[unit]]
id = "rad"
name = "Radian"
aliases = []
dim = [0, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/1"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 2, Table 4 (the 22 SI units with special names and symbols)"
note = "radian = m/m, dimensionless (ADR-007)"

[[unit]]
id = "deg"
name = "Degree of arc"
symbol = "°"
aliases = ["°"]
dim = [0, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/180 pi"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (degree = (pi/180) rad)"
note = "degree = pi/180 rad, exact: the factor carries pi as a symbol (ADR-018), so deg/arcmin/arcsec/grad convert among themselves exactly and to rad with pi kept until the final rounding"

[[unit]]
id = "arcmin"
name = "Arcminute"
aliases = []
dim = [0, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/10800 pi"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (arcminute = (1/60) degree)"
note = "arcminute = deg/60 = pi/10800 rad, exact (ADR-018)"

[[unit]]
id = "arcsec"
name = "Arcsecond"
aliases = []
dim = [0, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1/648000 pi"
offset = "0/1"
exactness = "defined"
prefixes = "none"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (arcsecond = (1/60) arcminute)"
note = "arcsecond = arcmin/60 = pi/648000 rad, exact (ADR-018)"

[[unit]]
id = "eV"
name = "Electronvolt"
aliases = []
dim = [1, 2, -2, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "1602176634/1 10^-28"
offset = "0/1"
exactness = "defined"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (1 eV = 1.602 176 634 x 10^-19 J, exact since the elementary charge e is fixed, ch. 2, Table 1)"
note = "electronvolt = e * 1 V with e = 1.602176634e-19 C (defined), so 1 eV = 1.602176634e-19 J; stored as 1602176634 x 10^-28 so the power of ten never enters the fraction (ADR-018)"

[[unit]]
id = "Da"
name = "Dalton"
aliases = []
dim = [1, 0, 0, 0, 0, 0, 0]
kind = "plain"
shape = "linear"
factor = "16605390666/1 10^-37"
offset = "0/1"
exactness = "measured"
prefixes = "si"
namespace = "si"
source = "BIPM SI Brochure, 9th ed. (2019), ch. 4, Table 8 (dalton = unified atomic mass unit); CODATA 2018 recommended value of the atomic mass constant m_u = 1.660 539 066 60(50) x 10^-27 kg (Tiesinga et al., Rev. Mod. Phys. 93, 025010 (2021))"
note = "1 Da = m_u = 1.66053906660e-27 kg (CODATA 2018 pinned, standard uncertainty 5.0e-37 kg); a measured value, so a later CODATA edition changes it; stored as 16605390666 x 10^-37 (ADR-018)"