IQ Calculators & Cognitive Tools

g-Estimator Tool

Combine results from multiple IQ tests to calculate a composite IQ, estimated g-factor, reliability scores, and 95% confidence intervals instantly.

Composite Score Calculator

Input individual index scores to compute FSIQ, GAI, and CPI, along with g-loadings, reliability, and confidence intervals, all in one step.

Advanced IQ Compositator

Optimize composite IQ calculations using g-loadings, and receive an estimated g-factor along with a rough SLODR measure.

Percentile Conversion Tool

Convert scores to percentiles or probabilities instantly by entering the mean, standard deviation, or score, and understand score rarity at a glance.

Child IQ Predictor

Estimate a child's IQ based on parental IQs and fitness odds, with separate predictions for male and female children.

Population IQ Estimator

Predict population-level cognitive metrics, including F coefficient and Greenwich Average IQ, using factors like cranial capacity, malnutrition rates, and consanguinity.