How to Convert the Filipino Grading System (1.00–5.00) to a US GPA (2026)

Search "Philippine GWA to GPA" and nearly every result is a calculator: paste in your 1.00–5.00 general weighted average, get back a 4.0-scale number, done. What almost none of them tell you is that the Philippines doesn't have one grading scale to convert from in the first place, and that the number a calculator hands back isn't the figure a US graduate admissions committee will actually use to evaluate your transcript. Both of those gaps matter more than the conversion formula itself.

The scale runs backward, and that's the easy part

Most Philippine universities, including the large public university system anchored by the University of the Philippines, grade on a 1.00 to 5.00 numerical scale where 1.00 is the highest grade and 5.00 is a fail, the reverse of the US system where a 4.0 is the top mark. A rough rule of thumb some calculators use is GPA ≈ 5.0 − GWA, so a 1.00 GWA maps to roughly a 4.0, a 1.75 to roughly a 3.25, and a 2.00 to roughly a 3.0. That formula is a reasonable personal sanity check, but it's a flat linear approximation applied to a system that isn't actually linear in practice, grades cluster heavily between 1.00 and 2.50 for most passing students, which means the same formula over- or under-states your standing depending on where in that narrow band your real GWA sits.

There is no single Philippine grading standard

This is the detail generic calculator pages skip. The 1.00–5.00 numerical scale is common, but it isn't universal, and even among universities that use it, the specific percentage band each number represents differs by institution. The University of the Philippines publishes its own documented breakdown of what each 1.00–5.00 grade corresponds to; a different university's internal breakdown for the same numbers can differ from UP's. Meanwhile, two of the country's largest private universities, De La Salle University and Ateneo de Manila University, grade on scales that already run close to the US 4.0 system rather than the inverted 1–5 scale, so a DLSU or Ateneo transcript may need little or no conversion at all, while a public-university transcript using the inverted scale needs the full conversion. Treating "the Philippine system" as one formula, the way most calculator tools implicitly do, misses this institution-by-institution variation entirely.

What a graduate admissions committee actually sees

A number you calculated yourself, or one a free online tool generated, isn't the document a US, Canadian, or Australian graduate program uses to evaluate your transcript. Most programs that require a foreign transcript evaluation ask for a course-by-course report from a NACES-member credential evaluation agency, commonly World Education Services (WES) or Educational Credential Evaluators (ECE). These agencies apply their own documented, institution-aware methodology to your actual transcript, rather than one public formula applied uniformly to every Philippine applicant, and the resulting report is the version admissions committees are set up to read and trust. Some evaluators also offer a cheaper document-by-document report, which only confirms your degree and GWA without a course-level GPA conversion, and most graduate admissions offices explicitly do not accept that version for a GPA-based review, submitting the wrong report type is a common, avoidable source of delay, covered in more general depth in our WES vs. ECE vs. IQAS guide.

A practical conversion reference

• 1.00–1.25 GWA (roughly 97–100% at most public universities): commonly reads as a 3.9–4.0 US equivalent.
• 1.50 GWA (roughly 91–93%): commonly reads as a 3.6–3.7 US equivalent.
• 1.75 GWA (roughly 88–90%): commonly reads as a 3.4–3.5 US equivalent.
• 2.00 GWA (roughly 85–87%): commonly reads as a 3.1–3.3 US equivalent.
• 2.50–3.00 GWA: commonly reads as a 2.0–2.7 US equivalent, 3.00 is typically the minimum passing grade at most Philippine universities.

Treat these as a planning reference, not a submittable figure. The exact bands differ by university, and your formal application needs an evaluator's report, not this table, or a self-run calculator, cited as your actual GPA.

What matters more than the number once you're emailing professors

A GWA conversion is a documentation step, not a strategy. For a PhD or research master's, most professors reading a cold email are weighing research fit, a specific recent paper you've referenced, and signs you've actually read their work, well above a converted GPA figure they likely won't see until much later in a formal application, if at all. GradScoutFunding is built for that outreach step specifically: it searches professors by field and country, confirms they're actively publishing, and drafts a personalized first email grounded in their real recent paper for you to review and send yourself, with 100 credits with no card required on the free tier, and one-time credit packs that never expire once you need more.

Common questions