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Geography Tools

Interactive calculators and data analysis tools for Cambridge Geography.

👥Population Calculator

Calculate

Total Population

Area (km²)

Birth rate (per 1,000)

Death rate (per 1,000)

Growth rate (%/year) for doubling

Dependents (under 15 + over 65)

Working age (15–64)

🌊River Discharge Calculator

Q = cross-sectional area × velocity (Manning's simplified)

Channel width (m)

Average depth (m)

Velocity (m/s)

🌧️Flood Risk Estimator

Rainfall (mm/hr)

Urban area? (%)

Antecedent soil moisture

🌡️Climate Graph Builder

Climate type

📈HDI Calculator

Life expectancy (years)

Mean years of schooling

GNI per capita (USD PPP)

⚖️Gini Coefficient Interpreter

Gini coefficient (0–1)

⚡Energy Output Calculator

Energy source

Capacity (kW)

Capacity factor (%)

🗺️Scale & Distance Calculator

Calculate

Map distance (cm)

Scale denominator (e.g. 50000)

Real distance (km)

📊Spearman's Rank Correlation

Enter pairs of data values (e.g. distance from CBD vs. house price). Up to 10 pairs.

Variable X

Variable Y