The International Phonetic Alphabet

This is really for my own reference but have at it.

From Wikipedia

Phonology

Main article: English phonology

Vowels

IPA	Description	word
monophthongs
i/iː	Close front unrounded vowel	bead
ɪ	Near-close near-front unrounded vowel	bid
ɛ	Open-mid front unrounded vowel	bed
æ	Near-open front unrounded vowel	bad
ɒ	Open back rounded vowel	bod 1
ɔ	Open-mid back rounded vowel	pawed 2
ɑ/ɑː	Open back unrounded vowel	bra
ʊ	Near-close near-back rounded vowel	good
u/uː	Close back rounded vowel	booed
ʌ/ɐ	Open-mid back unrounded vowel, Near-open central vowel	bud
ɝ/ɜː	Open-mid central unrounded vowel	bird 3
ə	Schwa	Rosa's 4
ɨ	Close central unrounded vowel	roses 5
diphthongs
e(ɪ)/eɪ	Close-mid front unrounded vowel Close front unrounded vowel	bayed 6
o(ʊ)/əʊ	Close-mid back rounded vowel Near-close near-back rounded vowel	bode 6
aɪ	Open front unrounded vowel Near-close near-front unrounded vowel	buy
aʊ	Open front unrounded vowel Near-close near-back rounded vowel	bough
ɔɪ	Open-mid back rounded vowel Close front unrounded vowel	boy

See International Phonetic Alphabet for English for a more complete version and Pronunciation respelling for English for phonetic transcriptions used in different dictionaries.

IPA: English Consonants IPA Examples p pen, spin, tip b but, web t two, sting, bet d do, odd tʃ chair, nature, teach dʒ gin, joy, edge k cat, kill, skin, queen, thick ɡ go, get, beg f fool, enough, leaf v voice, have θ thing, teeth ð this, breathe, father s see, city, pass z zoo, rose ʃ she, sure, emotion, leash ʒ pleasure, beige h ham m man, ham n no, tin ŋ singer, ring l left, bell ɹ run, very [1] w we j yes ʍ what (some accents, such as Scottish) x loch (Scottish), Chanukah (Yinglish/Yeshivish)

IPA: English Vowels IPA Examples RP GenAm AuE ɑː ɑ ɐː father iː i iː see ɪ ɪ ɪ city ɛ ɛ e bed [2] ɜː ɝ ɜː bird æ æ æ lad, cat, ran [3][4] ɑː ɑɹ ɐː arm ʌ ʌ ɐ run, enough ɒ ɑ ɔ not, wasp ɔː ɔ oː law, caught [5] ʊ ʊ ʊ put uː u ʉː soon, through ə ə ə about ə ɚ ə winner IPA: English Diphthongs IPA Examples RP GenAm AuE eɪ eɪ or e æɪ day aɪ aɪ ɑe my ɔɪ ɔɪ oɪ boy əʊ oʊ or o əʉ no aʊ aʊ æɔ now ɪə ɪɹ ɪə near, here ɛə ɛɹ eː or eə hair, there [6] ʊə ʊɹ ʊə tour juː ju jʉː pupil

IPA: Other symbols used in transcription of English pronunciation
IPA	Explanation
ˈ	Primary stress (placed before the stressed syllable), for example happy /ˈhæpi/
ˌ	Secondary stress, for example battleship /ˈbætl̩ˌʃɪp/
.	Syllable separator, for example sawing /ˈsɔ.ɪŋ/
̩	Syllabic consonant, for example /ˈɹɪdn̩/ for ridden

1. ^ Although the symbol r technically represents an alveolar trill, which is absent from most dialects of English, it is nevertheless widely used instead of ɹ in phonemic transcriptions.
2. ^ Often transcribed /e/ for RP, for example in Collins English Dictionary.
3. ^ Often transcribed /a/ for RP, for example in dictionaries of the Oxford University Press.
4. ^ See bad-lad split for more discussion of this vowel in Australian English.
5. ^ See low back merger for more discussion of this vowel in American English.
6. ^ Alternative symbols used in British dictionaries are /ɛː/ (Oxford University Press) and /eə/.