Z-Score Calculator
Calculate the z-score (standard score) and find the percentile rank of a value in a normal distribution.
How to Use This Calculator
- Enter your Value (x).
- Enter your Mean (μ).
- Enter your Standard Deviation (σ).
- Click Calculate to see instant results with a step-by-step breakdown.
- Use the Share button to copy a link with your inputs pre-filled.
⚠️ Results are for informational purposes only. Always verify important calculations with a qualified professional.