The current NFATC schedule implies 690 Spanish class hours, not 600
The State Department now lists Spanish at 30 weeks, with a typical week of 23 class hours and 17 hours of self-study. That makes 690 class hours to integrated ILR 3 in speaking and listening — not 600 hours of any study method.

The most repeated number for Spanish is 600 hours. It still appears in articles, course pages and old reproductions of the Foreign Service language table.
It is not the figure on the State Department's current National Foreign Affairs Training Center page.
The current page lists Spanish at 30 weeks. It also says a typical week contains 23 hours in class and 17 hours of self-study. The class-hour figure used by this site's current model is therefore a transparent calculation:
30 weeks × 23 class hours = 690 class hours.
That does not make every older use of 600 dishonest. It makes it versioned. If a page says 600 without naming the source version and endpoint, it is not safe to combine with the current table.
Four things the current figure assumes
1. It is 690 class hours, not 690 total hours.
The same official page describes another 17 hours of self-study in a typical week. Across 30 weeks that is about 510 additional hours, or about 1,200 scheduled class-and-self-study hours in total.
That does not mean every learner must log exactly 1,200 hours. It does mean that “690 hours to Spanish” and “690 hours in an app” are different quantities before we even discuss effectiveness.
2. It describes an intensive government training setting.
The official schedule inputs belong to NFATC's own training context. Our model transparently derives the 690-hour classroom baseline, then applies explicitly labelled estimates for other methods.
For Spanish to B2, the current model returns:
| Method | Spanish to B2 |
|---|---|
| Living in-country | 397 hours |
| Intensive class (NFATC-style) | 504 hours |
| 1-on-1 tutor | 529 hours |
| Structured self-study | 800 hours |
| App only | 1,486 hours — unreachable as an app-only plan |
The last row's arithmetic is not a promise that enough app time eventually produces B2. The model's app-only ceiling is B1, so B2 is unreachable as an app-only plan.
3. The current endpoint is integrated ILR 3 in speaking and listening.
The State Department page says its timelines are for an integrated score of 3 in Speaking and Listening on the ILR scale. It does not describe the current endpoint as Speaking-3 plus Reading-3, and it does not claim that the number covers all four skills.
This site maps that endpoint to C1 for planning. That is a model choice, not an official ILR-to-CEFR crosswalk. A B1 conversation goal therefore uses only part of the full baseline in our model; NFATC does not publish that B1 fraction.
4. It is a planning baseline, not a personal guarantee.
The official page calls these the timelines normally expected for its students. It does not establish that an arbitrary learner, using an arbitrary method, will finish on the same date.
The honest use is to preserve the source, its date, its training context and its endpoint — then label every adjustment layered on top.
What the number is genuinely good for
The current table still gives a useful same-source comparison. Spanish is 690 derived class hours; Mandarin is listed at 2,200. On those baselines, Mandarin is about 3.2 times Spanish:
2,200 ÷ 690 ≈ 3.19.
That ratio is not a universal law about every learner or method. It is a comparison inside one current official schedule, with the same stated endpoint and training context. That narrower claim is strong enough to plan with.
Using it honestly
- Say which version you mean. The current Spanish baseline is derived from 30 weeks at 23 class hours per week.
- Keep class time and self-study separate. The official page publishes both parts of the weekly workload.
- Name the endpoint. It is integrated ILR 3 in Speaking and Listening.
- Label the model layers. CEFR conversion, method multipliers and method ceilings are estimates, not NFATC findings.
- Treat the result as a planning range, not a promise.
The calculator applies the current baseline and shows each adjustment separately. The methodology records the source version, the official inputs and the parts that belong to our model.
Sources
Every figure above, and where it came from. A post that traces other people's unsourced numbers does not get to have any of its own.
- Foreign Language Training — US Department of State, National Foreign Affairs Training Center
The current NFATC training timelines: a typical week is 23 class hours plus 17 hours of self-study, aimed at an integrated ILR 3 in Speaking and Listening. Category I lists 24–30 weeks; using the page's typical class week, this site derives 552–690 class hours. Categories II–IV print 828, 1,012 and 2,200.
- FSI Language Difficulty Ranking — fsi-language-courses.org
A legacy five-category reproduction and its older 600 / 900 / 1,100 / 2,200 values. It is cited only to explain why older category labels and numbers still circulate, not as the model v2 baseline.
- ILR scale — Wikipedia
That no official ILR-to-CEFR crosswalk exists. Published academic tables place ILR 3/3+ at C1; others put C1 nearer ILR 4. We take the lower reading, which makes our estimates the more conservative of the two.