digraph Distance {
bgcolor="transparent";
node [shape=box, style=filled, color=black, fillcolor=white];

subgraph clusterCommon {
inch -> foot [label=12];
foot -> yard [label=3];
yard -> mile [label=1760];
}

# subgraph Typography {
twip -> point [label=20];
point -> line [label=6];
point -> pica [label=12];
pica -> inch [label=6];
line -> inch [label=12];
mil(US);thou(UK) -> inch [label=1000];
# }

point -> finger [label=63];
 
# line -> barleycorn [style=invis];
poppyseed -> barleycorn [label=4];
barleycorn -> inch [label=3];
 
# inch -> finger [label="7/8"];
# foot -> rope [label=20];
grade -> rope [label=4];
 
# subgraph Textile {
ell -> skein [label=96];
# yard -> skein [label=120];
skein -> spindle [label=120];
# }

inch -> stick [label=2];
stick -> hand [label=2];

inch -> palm [label=3];
digit -> palm [label=4];
digit -> nail [label=3];
nail -> span [label=4];
palm -> shaftment [label=2];
palm -> span [label=3];
 
hand -> foot [label=3];
shaftment -> foot [label=2];
shaftment -> cubit [label=3];
span -> cubit [label=2];
span -> ell [label=5];
 
cubit -> yard [label=2];
 
# subgraph Military {#, Roman
pace [label="pace, step"];
# foot -> pace [label="2.5"];
shaftment -> pace [label=5];
pace -> grade [label=2];

grade -> rope [label=4];
# grade -> mile:roman [label=1000];
# }

yard -> fathom [label=2];
 
cubit -> rod [label=11];
 
chain [shape=record label="<all> chain | <ramsden> Ramsden | <gunter> Gunter"];
fathom -> chain:gunter [label=11];
rod -> chain:gunter [label=4];
# link [shape=record label="<all> link | <gunter> Gunter"]// | <ramsden> Ramsden"];
# foot -> chain:ramsden [label=100];
rope -> chain:ramsden [label=5];
# link:ramsden -> chain:ramsden [label=100];
link -> rod [label=25];
chain:gunter -> furlong [label=10];
furlong -> mile:statute [label=8];
chain:ramsden -> mile:roman [label=50];

mile [shape=record, label="<roman> Roman | <statute> statute | <sea> nautic | <all> mile"]
mile:all -> league [label=3];
 
# subgraph nautic {
fathom -> shackle [label=15];
# shackle -> cable [style=invis];
fathom -> cable [label=100];
cable -> mile:sea [label=10];
foot -> mile:sea [label=6080];
# }
 
}