How to Convert the Chilean Grading System (0-7 Scale) to a US GPA (2026)

Chile's 1.0-to-7.0 grading scale looks simple compared to some of the grading systems covered elsewhere in this series, a single numeric scale, one clear pass mark. The complication only shows up once you try to actually convert a Chilean grade to a US GPA: Chilean universities don't share one standard conversion chart, and official exchange-program charts published directly by Chile's own universities meaningfully disagree with each other on the same grade, not just the third-party calculator sites that disagree with each other for most countries in this series.

The basic scale, and where the pass mark actually sits

Chilean higher education grades on a numeric scale running up to 7.0, the top mark, with 4.0 as the minimum passing grade at most institutions. Anything below 4.0 is a fail. Sources differ slightly on where the bottom of the scale technically starts, some describe it as running down to 1.0, others note that grades below 2.0 are rarely awarded in practice, so don't read a discrepancy there as an error, it's a real ambiguity in how the low end of a scale that's almost never actually used gets described.

Two official university charts, one grade, two different GPAs

This is the genuine, documentable gap most generic conversion guides don't surface. Universidad de Chile's own international-office exchange conversion chart maps a 6.0 to roughly a 3.7, a US A-. Universidad de Concepción's conversion chart, published for its own exchange partners, maps the entire 6.0-to-7.0 band to a full 4.0, a US A. That's not a difference between a casual website and an official source, both numbers come directly from the two universities' own international offices. A third chart, published by Pontificia Universidad Católica de Valparaíso in partnership with CEA (a study-abroad provider), uses yet another banding, placing 6.0-6.6 at an A and 5.0-5.2 at a B, with an explicit disclaimer that final credit and grade evaluation is ultimately decided by the student's home institution, not the chart itself. If you take nothing else from this post, take this: there is no single number a 6.0 from a Chilean university \"equals\" in US terms, it depends on which university issued it and which chart you're comparing it against.

Why this happens, and why it isn't a mistake on either side

Chile has no single national authority standardizing a Chile-to-US GPA conversion the way some countries' education ministries attempt to. Each university builds its own exchange conversion chart around its own internal grading culture and grade distribution, a university where a 6.0 is genuinely difficult to earn will reasonably map it closer to a US A, while a university with a different grading pattern maps the same raw number more conservatively. Neither approach is wrong, they're simply not interchangeable, and third-party GPA calculator sites that publish a single flat Chile-wide conversion are smoothing over a real, documented disagreement between Chilean institutions themselves.

Why self-calculating your own GPA is the wrong move for an application

Given that disagreement, picking whichever published chart produces your best-looking GPA and reporting that number on a US graduate application is a real risk, not a shortcut. US graduate programs that require a numeric GPA from an international transcript overwhelmingly expect it to come from a recognized credential evaluation service, WES or ECE among the most common, which apply their own standardized methodology rather than any single Chilean university's own exchange chart. If a program accepts self-reported GPAs at all, expect your number to be checked against your actual transcript rather than taken at face value. For PhD cold-emailing specifically, where your GPA often isn't even the deciding factor, research fit usually matters more than a precisely converted number, so don't let uncertainty about the exact conversion stop you from reaching out.

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