International customary units. The unified U.S. and British Imperial customary units, so called “international” customary units.

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[in_i] 

inch 

in

length 

no

[ft_i] 

foot 

ft

length 

no

[yd_i] 

yard 

yd

length 

no

[mi_i] 

mile 

mile

length 

no

[fth_i] 

fathom 

fth

depth of water 

no

[nmi_i] 

nautical mile 

n mile

length 

no

[kn_i] 

knot 

kn

velocity 

no

[sin_i] 

square inch 

in²

area 

no

[sft_i] 

square foot 

ft²

area 

no

[syd_i] 

square yard 

yd²

area 

no

[cin_i] 

cubic inch 

in³

volume 

no

[cft_i] 

cubic foot 

ft³

volume 

no

[cyd_i] 

cubic yard 

yd³

volume 

no

[bf_i] 

board foot 

fbm

volume 

no

[cr_i] 

cord 

cord

volume 

no

[mil_i] 

mil 

mil

length 

no

[cml_i] 

circular mil 

cmil

area 

no

[hd_i] 

hand 

height of horses 

no

Older U.S. “survey” lengths (also called "statute" lengths)

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[ft_us] 

foot 

ft (US survey)

length 

no

[yd_us] 

yard 

length 

no

[in_us] 

inch 

length 

no

[rd_us] 

rod 

length 

no

[ch_us] 

Gunter's chain, Surveyor's chain 

length 

no

[lk_us] 

link for Gunter's chain 

length 

no

[rch_us] 

Ramden's chain, Engineer's chain 

length 

no

[rlk_us] 

link for Ramden's chain 

length 

no

[fth_us] 

fathom 

length 

no

[fur_us] 

furlong 

length 

no

[mi_us] 

mile 

mi (US survey)

length 

no

[acr_us] 

acre 

area 

no

[srd_us] 

square rod 

area 

no

[smi_us] 

square mile 

mi² (US survey)

area 

no

[sct] 

section 

area 

no

[twp] 

township 

area 

no

[mil_us] 

mil 

length 

no

British Imperial lengths

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[in_br] 

inch 

length 

no

[ft_br] 

foot 

length 

no

[rd_br] 

rod 

length 

no

[ch_br] 

Gunter's chain 

length 

no

[lk_br] 

link for Gunter's chain 

length 

no

[fth_br] 

fathom 

length 

no

[pc_br] 

pace 

length 

no

[yd_br] 

yard 

length 

no

[mi_br] 

mile 

length 

no

[nmi_br] 

nautical mile 

length 

no

[kn_br] 

knot 

velocity 

no

[acr_br] 

acre 

area 

no

U.S. volumes including so called “dry measures”

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[gal_us] 

Queen Anne's wine gallon 

fluid volume 

no

[bbl_us] 

barrel 

barrel (US)

fluid volume 

no

[qt_us] 

quart 

liq qt (US)

fluid volume 

no

[pt_us] 

pint 

liq pt (US)

fluid volume 

no

[gil_us] 

gill 

gi (US)

fluid volume 

no

[foz_us] 

fluid ounce 

fl oz (US)

fluid volume 

no

[fdr_us] 

fluid dram 

fluid volume 

no

[min_us] 

minim 

fluid volume 

no

[crd_us] 

cord 

fluid volume 

no

[bu_us] 

bushel 

dry volume 

no

[gal_wi] 

historical winchester gallon 

dry volume 

no

[pk_us] 

peck 

dry volume 

no

[dqt_us] 

dry quart 

dry volume 

no

[dpt_us] 

dry pint 

dry volume 

no

[tbs_us] 

tablespoon 

volume 

no

[tsp_us] 

teaspoon 

volume 

no

[cup_us] 

cup 

volume 

no

[foz_m] 

metric fluid ounce 

fluid volume 

no

[cup_m] 

metric cup 

volume 

no

[tsp_m] 

metric teaspoon 

volume 

no

[tbs_m] 

metric tablespoon 

volume 

no

British Imperial volumes

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[gal_br] 

gallon 

gal (UK)

volume 

no

[pk_br] 

peck 

pk (UK)

volume 

no

[bu_br] 

bushel 

bushel (UK)

volume 

no

[qt_br] 

quart 

qt (UK)

volume 

no

[pt_br] 

pint 

pt (UK)

volume 

no

[gil_br] 

gill 

gi (UK)

volume 

no

[foz_br] 

fluid ounce 

fl oz (UK)

volume 

no

[fdr_br] 

fluid dram 

volume 

no

[min_br] 

minim 

volume 

no

Avoirdupois weights

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[gr] 

grain 

mass 

no

[lb_av] 

pound 

mass 

no

[oz_av] 

ounce 

mass 

no

[dr_av] 

dram 

mass 

no

[scwt_av] 

short hundredweight, U.S. hundredweight 

mass 

no

[lcwt_av] 

long hunderdweight, British hundredweight 

mass 

no

[ston_av] 

short ton, U.S. ton 

mass 

no

[lton_av] 

long ton, British ton 

mass 

no

[stone_av] 

stone, British stone 

mass 

no

Troy weights

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[pwt_tr] 

pennyweight 

mass 

no

[oz_tr] 

ounce 

mass 

no

[lb_tr] 

pound 

mass 

no

Units used in typesetting

Symbol (c/s)

Display Name

Print Symbol

Kind of Quantity

Metric

[lne] 

line 

length 

no

[pnt] 

point 

length 

no

[pca] 

pica 

length 

no

[pnt_pr] 

Printer's point 

length 

no

[pca_pr] 

Printer's pica 

length 

no

[pied] 

pied, French foot 

length 

no

[pouce] 

pouce, French inch 

length 

no

[ligne] 

ligne, French line 

length 

no

[didot] 

didot, Didot's point 

length 

no

[cicero] 

cicero, Didot's pica 

length 

no