You'll find two kinds of answers online. One says Korean is impossible and takes 2,200 hours. The other says you can read Hangul in an hour so it's easy.
Both are true, and neither is useful. Here's a breakdown of what's actually hard and what isn't.
What's genuinely easy
The writing system. Hangul was designed in the 15th century to be learnable, and it shows. It's 24 letters, fully phonetic, with consonant shapes that hint at how your mouth makes the sound. Most people can sound out words within a few days.
This is a real advantage. With Japanese or Chinese you'd spend months before you could read anything at all.
Pronunciation. Korean has no tones. Vowel and consonant sounds map reasonably well onto English ones, with a handful of exceptions. You'll have an accent, but people will understand you.
No gendered nouns, no plurals to worry about, no verb conjugation by person. English speakers coming from Spanish or French find this a relief. The verb doesn't change based on who's doing the action.
What's genuinely hard
Word order. Korean puts the verb at the end. I ate lunch at the cafe becomes something closer to I cafe-at lunch ate. This sounds like a small thing and isn't. It means you can't translate as you listen — you have to hold the whole sentence and wait for the verb to find out what happened.
This is the single biggest adjustment, and it takes months to stop feeling backwards.
Particles. Korean marks the role of each word with a small tag attached to it. 은/는 marks the topic, 이/가 the subject, 을/를 the object. English does this with word order instead, so there's no equivalent to lean on. The distinction between 은/는 and 이/가 in particular takes a long time to feel natural.
Speech levels. Korean changes its verb endings based on who you're talking to. The same sentence has a casual form, a polite form, and a formal one. You can't opt out — every sentence you say picks one. Getting it wrong isn't grammatically incorrect so much as socially off.
Vocabulary shares almost nothing with English. With French or German you get thousands of free words. With Korean you don't, apart from loanwords. Every word is new.
Where the difficulty actually sits
Notice that the hard parts aren't the ones beginners worry about.
Most people start by worrying about Hangul and pronunciation. Those are the easy parts, and they're done in a week or two.
The difficulty is in restructuring how you build a sentence — verb last, particles marking roles, endings shifting by relationship. That's not memorization. It's rewiring, and it takes exposure over time.
What this means practically
The US Foreign Service Institute puts Korean in its hardest category for English speakers, roughly 2,200 class hours to professional working proficiency. That number scares people, but it's aimed at a very high bar — reading newspapers, handling negotiations.
For ordering food, asking directions, and holding a simple conversation, you're looking at a fraction of that. Beginners regularly reach basic conversational ability in months, not years.
And the curve is front-loaded in a good way. Because Hangul is fast and pronunciation is manageable, you get to "I can read this and say something" much sooner than the FSI number suggests.
The approach that helps
Given where the difficulty sits, a few things follow.
Learn phrases, not words. Because word order is unfamiliar, assembling sentences from vocabulary is slow and error-prone at the start. Learning whole patterns — ___ 주세요 for requests, ___ 어떻게 가요? for directions — sidesteps the assembly problem entirely.
Pick one speech level first. The polite 요 form covers almost every situation a learner will be in. Learn it thoroughly before worrying about the others.
Don't drill particles in isolation. 은/는 vs 이/가 doesn't yield to explanation alone. It comes from seeing them used in context, many times.
K-PATTO teaches Korean through webtoon stories, one expression pattern at a time — 325 phrases with audio, in the order you'd actually need them.