How Long Does It Take to Learn a Language? Free Calculator
Updated June 29, 2026
This calculator estimates how long it takes to learn a language based on the US Foreign Service Institute's study-hour benchmarks and the weekly hours you can put in. Pick a language and your pace to see a realistic timeline to A2, B1, and B2. FSI hours are intensive classroom hours, so treat the result as a benchmark rather than a promise.
Spanish is FSI Category I (about 600 hours to professional working proficiency). At 5 hours a week:
| Milestone | Hours | Time at this pace |
|---|---|---|
| A2Basic conversation | 180 | 8 months |
| B1Independent, everyday fluency | 330 | 15 months |
| B2Confident, professional working level | 600 | 2 years 4 months |
Based on US Foreign Service Institute study-hour benchmarks. FSI hours are intensive classroom hours for motivated adults, so this is a benchmark, not a promise. Milestone splits (A2, B1, B2) are honest approximations of the full total.
Now put it to work. LingoBinge swaps Netflix subtitle words at your level, starting with the highest-frequency ones, and saves them for spaced review.
Frequently asked questions
- How long does it really take to learn a language?
- It depends on the language and your hours. The US Foreign Service Institute estimates roughly 600 to 750 hours for an easy language like Spanish and around 2,200 hours for a hard one like Japanese, to reach professional working proficiency. At five hours a week, 600 hours is a little over two years; at fifteen hours a week, under a year.
- Are the FSI hour estimates reliable?
- They are the most widely cited benchmark, drawn from decades of intensive diplomat training. They assume motivated adult learners in full-time classes, so casual learners may take longer, but the relative difficulty between languages holds up well.
- Can watching TV count toward these hours?
- Yes, when it is comprehensible. Hours of understandable input build listening and vocabulary, which is most of the work. Graded subtitles keep a show understandable so your watch time becomes real practice.