Free tools for pre-meds in Canada and the US
Two calculators that encode the published OMSAS and AMCAS conversion rules, including the school-specific rules Ontario applicants actually get screened on. Everything runs in your browser. Nothing you type leaves your device.
Canada · Ontario
Course-by-course conversion using the OUAC grade table for your institution's scale, with credit weights (0.5 / 1.0 / 1.5 / 2.0). Then see the same courses through each school's lens: Western's best two years, Ottawa's last three full-time years, Toronto's full-time-only cGPA, and the plain cumulative used by McMaster and Queen's.
United States · also for Canadians applying south
Letter grades with plus/minus, US and Canadian percentage rows, and the Canadian 9-point and 10-point systems. Tag BCPM courses to get science, all-other and cumulative GPAs, a year-by-year breakdown and your trend.
The conversion table, credit weights, and why it is not an average of averages.
Which years count, what a full course load means, and how the 3.70 floor is applied.
Ten before-and-after rewrites of real-looking sketch entries.
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PreMed Tools is built and maintained by Viana Safa, a pre-med in Toronto, as a side project. It is not affiliated with OUAC, OMSAS, the AAMC, or any medical school. The calculators are free and will stay free; the site pays for itself through the spreadsheets and guides listed above. If a number looks wrong, email and it gets fixed.