Bell Curve Calculator
Calculate probabilities and percentiles using the normal distribution (bell curve)
About the Bell Curve
The bell curve, or normal distribution, is a symmetric probability distribution where most observations cluster around the mean.
Key Properties:
- 68% of data falls within 1 standard deviation of the mean
- 95% falls within 2 standard deviations
- 99.7% falls within 3 standard deviations
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.