show/hide supported units
(mouse over to see definition)
SI Units:
gram (g);
meter (m);
second (s);
Kelvin (K);
Ampere (A);
Hertz (Hz);
Newton (N);
Pascal (Pa);
Joule (J);
Watt (W);
Coulomb (C);
Volt (V);
Farad (F);
Ohm (ohm);
Siemans (S);
Tesla (T);
Weber (Wb);
Henry (H);
radian (rad)
CGS Units:
dyne (dyn);
erg (erg);
Gauss (gauss);
esu (esu);
statvolt (statV)
Other Units:
degree (deg);
electronvolt (eV);
barn (b);
astronomical unit (AU);
inch (in_);
foot (ft);
yard (yd);
mile (mi);
acre (acre);
ounce (oz);
pound (lb);
parsec (pc);
minute (min);
hour (hr);
day (day);
year (yr);
lightyear (ly);
jansky (Jy);
dalton (Da);
unified atomic mass unit (u);
atomic mass unit (12C based) (amu)
show/hide supported constants
(mouse over to see value)
pi (pi);
e (e);
speed of light (c);
Planck's constant (h);
Reduced Planck's constant (hbar);
Boltzmann constant (k);
Stefan-Boltzmann constant (sigma);
Gravitational constant (G);
Earth mass (M_Earth);
Earth radius (R_Earth);
solar mass (M_Sun);
solar radius (R_Sun);
vacuum permeability (mu0);
vacuum permittivity (eps0);
elementary charge (qe);
electron mass (m_e);
proton mass (m_p);
neutron mass (m_n);
W boson mass (m_W);
Z boson mass (m_Z);
Hubble constant (today, approx.) (H0);
reduced Planck mass (m_pl);
Avogadro's number (N_A)
show/hide supported functions
arccos;
arccosh;
arccot;
arccoth;
arccsc;
arccsch;
arcsec;
arcsech;
arcsin;
arcsinh;
arctan;
arctanh;
cos;
cosh;
cot;
coth;
csc;
csch;
exp;
ln;
log;
sec;
sech;
sin;
sinh;
sqrt;
tan;
tanh
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