Free Letter Grade to Percentage Converter
Instantly convert letter grades to percentages (or percentages to letter grades) across US, Canadian, UK, and IB grading scales — with a full side-by-side scale reference table.
Runs entirely in your browser · No login · No data uploaded
Enter a value above to compare it across scales.
Enter one grade per line (letter grades or percentages). Uses the scale selected above.
Columns: name,grade or name,percentage — or a single grade/percentage column.
Select a grading scale, choose a grade, and click Convert to see the result.
| Grade | Percentage Range | GPA | Label |
|---|
How to Convert Letter Grades to Percentages in 3 Steps
Follow these steps to get results in under a minute
How Letter Grade to Percentage Converter Compares
vs spreadsheets, manual processes, and paid platforms
| Feature | UniCloud360Letter Grade to Percentage Converter | Manual Grade Charts | Spreadsheet Formula | School Admin Software |
|---|---|---|---|---|
| Free to use | Free, no account needed | Paper charts are free | Spreadsheet is free | Paid licence required |
| Multiple grading scales | US, Canadian, UK, IB built in | Single scale only | Manual setup required | Depends on configuration |
| Instant conversion | Result in milliseconds | Very fast | Formula must be set up first | Depends on interface |
| Batch conversion | Convert many grades at once | One at a time | Works for bulk data | Designed for bulk |
| Printable PDF export | One-click browser PDF | No export feature | Manual formatting needed | Requires paid add-on |
What Educators Are Saying
Trusted by lecturers and students across Sri Lankan universities
"We receive transcripts from students worldwide and this converter saves us hours of cross-referencing. Having US, Canadian, UK, and IB scales in one place is exactly what we needed."
"Students often ask me what their letter grade means in percentage terms for university applications. Now I just open this tool and show them instantly — it even includes the GPA equivalent."
"Very clean interface. The batch converter is useful when I need to process an entire class list. The scale reference table beside the result is a great touch for explaining the grading system."
"No login, no setup, works on any device. The PDF export is professional enough to attach to a student progress report. I use the batch converter every term to cross-check my grade book."