Grading Bell Curve & Score Distribution Generator
Paste a list of student scores and instantly see a bell curve with mean, standard deviation, and grade distribution — no spreadsheet needed.
All computation runs in your browser · No data is sent anywhere
One score per line, or comma-separated. Values 0–100.
Stop manually tweaking spreadsheets.
UniCloud360 features built-in, automated visual analytics for exam boards — bell curves, grade distributions, and cohort comparisons generated instantly from live assessment data. No CSV exports, no manual charts.
How to Generate a Bell Curve from Your Scores
Follow these steps to get results in under a minute
Real Results from Real Users
Trusted by lecturers and students across Sri Lankan universities
"Visualising the score distribution for my 200-student cohort used to require SPSS or Excel histograms. This tool produces a clean bell curve in seconds and immediately shows whether the exam was too easy or too hard."
"The standard deviation and mean overlay on the chart made it very easy to identify the outlier scores at both ends. I used it to justify a grade boundary adjustment to our exam board."
"We now include a score distribution chart in every module review report. This generator makes it trivial to produce one and the output looks professional enough for formal documentation."
"Excellent tool for post-exam analysis. Being able to paste raw scores and instantly see where students cluster has changed how I think about assessment design."
"Our quality assurance process now requires distribution charts for all assessments above 50 students. This free tool has made that requirement easy to meet without any software licences."
How Bell Curve & Score Distribution Generator Compares
vs spreadsheets, manual processes, and paid platforms
| Feature | UniCloud360 Bell Curve & Score Distribution Generator | Excel / SPSS | Manual Calculation | Paid Analytics Platform |
|---|---|---|---|---|
| Instant bell curve chart | Yes — visual SVG | Complex chart wizard | No | Yes |
| SVG & PNG download | Yes | Screenshot only | No | Yes |
| Auto std deviation | Yes | STDEV() formula | Manual formula | Yes |
| Grade distribution table | Yes | COUNTIF setup | Manual | Yes |
| Curve & absolute grading | Both modes | Manual toggle | No | Varies |
| No login required | Yes | Yes | Yes | Account required |
| Cost | Free forever | Free | Free | Paid subscription |