Supported volume units: l (liter), tsp (teaspoon), tbs (tablespoon), oz (ounce liquid), cup, pt (pint), qt (quart), gal (gallon), barrel, m3 (cubic meter), mi3 (cubic mile), Nmi3 (cubic Nautical mile), in3 (cubic inch), ft3 (cubic foot), yd3 (cubic yard), GRT or regton (gross register ton).
Unedau cyfaint a gynhelir: l (litr), tsp (llwyaid de), tbs (llwyaid fwrdd), oz (owns hylifol), cwpanaid, pt (peint), qt (cwart), gal (galwyn), casgen, m3 (metr ciwbig), mi3 (milltir giwbig), Nmi3 (milltir fôr giwbig), in3 (modfedd giwbig), ft3 (troedfedd giwbig), yd3 (llathen giwbig).