Description Usage Arguments Details Note Author(s) See Also Examples

DEPRECATED. Converts common units of measurement for a variety of dimensions. See `conv_unit_options`

for all options.

1 | ```
conv_unit(x, from, to)
``` |

`x` |
a numeric vector giving the measurement value in its original units. |

`from` |
the unit in which the measurement was made. |

`to` |
the unit to which the measurement is to be converted. |

- Acceleration
mm_per_sec2, cm_per_sec2, m_per_sec2, km_per_sec2, grav, inch_per_sec2, ft_per_sec2, mi_per_sec2, kph_per_sec, mph_per_sec

- Angle
degree, radian, grad, arcmin, arcsec, turn

- Area
nm2, um2, mm2, cm2, m2, hectare, km2, inch2, ft2, yd2, acre, mi2, naut_mi2

- Coordinate
dec_deg, deg_dec_min, deg_min_sec (see note)

- Count
nmol, umol, mmol, mol

- Duration
nsec, usec, msec, sec, min, hr, day, wk, mon, yr, dec, cen, mil, Ma

- Energy
J, kJ, erg, cal, Cal, Wsec, kWh, MWh, BTU

- Flow
ml_per_sec, ml_per_min, ml_per_hr, l_per_sec, l_per_min, l_per_hr, m3_per_sec, m3_per_min, m3_per_hr, gal_per_sec, gal_per_min, gal_per_hr, ft3_per_sec, ft3_per_min, ft3_per_hr, Sv

- Length
angstrom, nm, um, mm, cm, dm, m, km, inch, ft, yd, fathom, mi, naut_mi, au, light_yr, parsec, point

- Mass
ug, mg, g, kg, Pg, carat, metric_ton, oz, lbs, short_ton, long_ton, stone

- Power
uW, mW, W, kW, MW, GW, erg_per_sec, cal_per_sec, cal_per_hr, Cal_per_sec, Cal_per_hr, BTU_per_sec, BTU_per_hr, hp

- Pressure
uatm, atm, Pa, hPa, kPa, torr, mmHg, inHg, mbar, bar, dbar, psi

- Speed
mm_per_sec, cm_per_sec, m_per_sec, km_per_sec, inch_per_sec, ft_per_sec, kph, mph, km_per_day, mi_per_day, knot, mach, light

- Temperature
C, F, K, R

- Volume
ul, ml, dl, l, cm3, dm3, m3, km3, us_tsp, us_tbsp, us_oz, us_cup, us_pint, us_quart, us_gal, inch3, ft3, mi3, imp_tsp, imp_tbsp, imp_oz, imp_cup, imp_pint, imp_quart, imp_gal

The conversion values have been defined based primarily from international weight and measurement authorities (e.g. General Conference on Weights and Measures, International Committee for Weights and Measures, etc.). While much effort was made to make conversions as accurate as possible, you should check the accuracy of conversions to ensure that conversions are precise enough for your applications.

- Duration
Years are defined as 365.25 days and months are defined as 1/12 a year.

- Coordinate
Values must be entered as a string with one space between subunits (e.g. 70° 33’ 11” = "70 33 11").

- Energy
cal is a thermochemical calorie (4.184 J) and Cal is 1000 cal (kcal or 4184 J).

- Flow
All gallon-based units are US gallons.

- Mass
All non-metric units are based on the avoirdupois system.

- Power
hp is mechanical horsepower, or 745.69 W.

- Speed
mach is calculated at sea level at 15 °C.

Matthew A. Birk, matthewabirk@gmail.com

1 2 3 4 5 6 7 8 9 10 | ```
conv_unit(2.54, "cm", "inch") # Result = 1 inch
conv_unit(seq(1, 10), "kg", "short_ton") # A vector of measurement values can be converted
# Convert 1, 10, and 100 meters to all other length units
sapply(conv_unit_options$length, function(x) conv_unit(c(1, 10, 100), "m", x))
conv_unit("33 1 1", "deg_min_sec", "dec_deg")
conv_unit(c("101 44.32","3 19.453"), "deg_dec_min", "deg_min_sec")
``` |

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