It is important to understand that we are interested only in the English IPA. A good starting point might be to find an English phonemic chart. A phonemic chart can be interactive or non-interactive. It can be a picture, a document, an app - it doesn't really matter. The important thing here is that the chart should be divided into three blocks: consonants, vowels, diphthongs. In my experience, it is easier to learn the sounds in groups.

After you feel comfortable with the sounds and their visual representations, it is a good idea to do some practice. You can find a good step-by-step article on how to learn and practice IPA on wikihow.com.

Fair enough. However, you will have to put more effort to find the right pronunciation. If you are not up to learn the IPA, the only way to find out the correct pronunciation is to search for audiovisual materials with the word you need. Then listen to these materials and remember the pronunciation. In the long term, it is going to be far longer than just learn the IPA once.

If I still haven't convinced you, in this case I would like to suggest using:

Let's do a small refresh of some IPA symbols. Just to be sure that we are on the same page.

ˈ - primary stress (it means the clear vowel pronunciation with high pitch)
ˌ - secondary stress (it means the clear vowel pronunciation with high pitch)
. - syllable break (it separates a word in parts)
ː - long sound (it indicates vowel length)
ɚ - r-colored schwa (a schwa with a slight /r/ sound)
ᵊ - epenthetic schwa (/ə/ is pronounced or mute)
ʳ - potential R (/r/ is pronounced or mute)

As an example let's examine the word programmer.

us /ˈproʊ.ɡræm.ɚ/ uk /ˈprəʊ.ɡræm.əʳ/

As we can see, this word has three syllables. The primary/main stress falls on the first syllable. After the first syllable, there is a syllable break, followed by another syllable and another break. At the end of the word there is an /r/ sound (In American English the /r/ sound is always pronounced, so we can see the /ɚ/ symbol; In British English the /r/ sound can be pronounced or not, depending on the dialect, so we can see the /ʳ/ symbol which stands for a potential R).