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Numbers in Welsh

This table shows the cardinal and ordinal numbers in Welsh with vigesimal and decimal numbers and notes. The decimal system is widely used, although not so much for dates and ages.

Key to abbreviations: m = masculine, f = feminine

Cardinal Ordinal
0 sero/dim    
1 un 1af cynta(f)
2 dau (m)
dwy (f)
2ail ail
3 tri (m)
tair (f)
3ydd trydydd (m)
trydedd (f)
4 pedwar (m)
pedair (f)
4ydd pedwerydd (m)
pedwaredd (f)
5 pum(p) 5ed pumed
6 chwe(ch) 6ed chweched
7 saith 7fed seithfed
8 wyth 8fed wythfed
9 naw 9fed nawfed
10 deg 10fed degfed
11 un ar ddeg
un deg un
11eg unfed ar ddeg
12 deuddeg
un deg dau
12fed deuddegfed
13 tri ar ddeg
un deg tri
13eg trydydd ar ddeg
14 pedwar ar ddeg
un deg pedwar
14eg pedwerydd ar ddeg
15 pymtheg
un deg pump
15fed pymthegfed
16 un ar bymtheg
un deg chwech
16eg unfed ar bymtheg
17 dau ar bymtheg
un deg saith
17eg ail ar bymtheg
18 deunaw
un deg wyth
18fed deunawfed
19 pedwar ar bymtheg
un deg nau
19eg pedwerydd ar bymtheg
20 ugain
dau ddeg
20fed ugeinfed
21 un ar hugain
dau ddeg un
21ain unfed ar hugain
22 dau ar hugain
dau ddeg dau
22ain ail ar hugain
23 tri ar hugain
dau ddeg tri
23ain trydydd ar hugain
24 pedwar ar hugain
dau ddeg pedwar
24ain pedwerydd ar hugain
25 pump ar hugain
dau ddeg pump
25ain pumed ar hugain
26 chwech ar hugain
dau ddeg chwech
26ain chweched ar hugain
27 saith ar hugain
dau ddeg saith
27ain saithfed ar hugain
28 wyth ar hugain
dau ddeg wyth
28ain wythfed ar hugain
29 naw ar hugain
dau ddeg naw
29ain nawfed ar hugain
30 deg ar hugain
tri deg
30ain degfed ar hugain
31 un ar ddeg ar hugain
tri deg un
31ain unfed ar ddeg ar hugain
32 deuddeg ar hugain
tri deg dau
32ain (rhif) tri deg dau
deuddegfed ar hugain
33 tri ar ddeg ar hugain
tri deg tri
33ain (rhif) tri deg tri
tri ar ddegfed ar hugain
34 pedwar deg ar hugain
tri deg pedwar
34ain (rhif) tri deg pedwar
pedwar degfed ar hugain
35 pymtheg ar hugain
tri deg pump
35ain (rhif) tri deg pump
pymthegfed ar hugain
36 un ar bymtheg ar hugain
tri deg chwech
36ain (rhif) tri deg chwech
un ar bymthegfed ar hugain
37 dau ar bymtheg ar hugain
tri deg saith
37ain (rhif) tri deg saith
dau ar bymthegfed ar hugain
38 deunaw ar hugain
tri deg wyth
38ain (rhif) tri deg wyth
deunawfed ar hugain
39 pedwar ar bymtheg ar hugain
tri deg naw
39ain (rhif) tri deg naw
pedwerydd ar bymtheg ar hugain
40 deugain
pedwar deg
40fed (rhif) pedwar deg
deugainfed
50 hanner cant
pum deg
50fed (rhif) pum deg
hanner canfed
60 trigain
chwe deg
60fed (rhif) chwe deg
trigainfed
70 deg a thrigain
saith deg
70fed (rhif) saith deg
degfed a thrigain
80 pedwar ugain
wyth deg
80fed (rhif) wyth deg
pedwar ugainfed
90 deg a phedwar ugain
naw deg
90fed (rhif) naw deg
degfed a phedwar ugain
100 cant 100fed canfed
101 cant ac un   (rhif) cant ac un
102 cant a dau   (rhif) cant a dau
120 cant ac ugain
cant dau ddeg
  (rhif) cant dau ddeg
200 dau gant 200fed dau ganfed
300 tri chant 300fed tri chanfed
400 pedwar cant 400fed pedwar canfed
500 pum cant 500fed pum canfed
600 chwe chant 600fed chwe chanfed
700 saith cant 700fed saith canfed
800 wyth cant 800fed wyth canfed
900 naw cant 900fed naw canfed
1,000 mil 1000fed milfed
10,000 deng mil   deng milfed
100,000 mwnt
can mil
  can milfed
1 million miliwn   miliyenfed
1 billion biliwn   biliyenfed
Fractions  
half hanner
third traean
quarter chwarter
fifth pumed
sixth chweched

Notes

If you would like to make any corrections or additions to this page, or if you can provide recordings, please contact me.

Links

Numbers in Welsh
http://www.sf.airnet.ne.jp/~ts/language/number/traditional_welsh.html
http://www.sf.airnet.ne.jp/~ts/language/number/modern_welsh.html
http://clwbmalucachu.co.uk/cmc/cheat/cheat_numerals.htm
http://www.bangor.ac.uk/cymorthcymraeg/dyddiadau.php.en

Numbers in Celtic languages

Numbers in other languages

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