| Length | meter (m), inch (in), foot (ft), yard (yd), mile (mi), link (li), rod (rd), chain (ch), angstrom, mil |
| Surface | area m2, sqin, sqft, sqyd, sqmi, sqrd, sqch, sqmil, acre, hectare |
| Volume | m3, litre (l, L, lt, liter), cc, cuin, cuft, cuyd, teaspoon, tablespoon |
| Liquid | volume minim, fluiddram (fldr), fluidounce (floz), gill (gi), cup (cp), pint (pt), quart (qt), gallon (gal), beerbarrel (bbl), oilbarrel (obl), hogshead, drop (gtt) |
| Angles | rad (radian), deg (degree), grad (gradian), cycle, arcsec (arcsecond), arcmin (arcminute) |
| Time | second (s, secs, seconds), minute (min, mins, minutes), hour (h, hr, hrs, hours), day (days), week (weeks), month (months), year (years), decade (decades), century (centuries), millennium (millennia) |
| Frequency | hertz (Hz) |
| Mass | gram(g), tonne, ton, grain (gr), dram (dr), ounce (oz), poundmass (lbm, lb, lbs), hundredweight (cwt), stick, stone |
| Electric | current ampere (A) |
| Temperature | kelvin (K), celsius (degC), fahrenheit (degF), rankine (degR) |
| Amount | of substance mole (mol) |
| Luminous | intensity candela (cd) |
| Force | newton (N), dyne (dyn), poundforce (lbf), kip |
| Energy | joule (J), erg, Wh, BTU, electronvolt (eV) |
| Power | watt (W), hp |
| Pressure | Pa, psi, atm, torr, bar, mmHg, mmH2O, cmH2O |
| Electricity | and magnetism ampere (A), coulomb (C), watt (W), volt (V), ohm, farad (F), weber (Wb), tesla (T), henry (H), siemens (S), electronvolt (eV) |
| Binary | bits (b), bytes (B) |