CalcZ-Score Calculator
Last updated: 2026-08-24
Z-Score Calculator — Calculate z-score from raw score.
Inputs
Result
Enter values and press Calculate
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How to use it
- Subtract the mean of the value observado
- Divide between the deviation standard
- Interpret: positivo = over mean, negativo = low mean
Common mistakes
- ⚠️ Desviación standard in cero
- ⚠️ Not interpret correctly the signo
- ⚠️ Use with distribución not standard
Worked example
Calculate z-score: x=75, mean=60, sd=10.
The puntuación Z indica cuántas deviations standard is a value of the mean.
Input guide
| Field | Typical range |
|---|---|
| valor | 0-1,000,000,000,000 |
| desviacion | 0.001-1,000,000,000,000 |
| media | 0-1,000,000,000,000 |