geography Calculators

Distance Between Coordinates Calculator

Calculate the distance between two geographic coordinates using the Haversine formula

Calculate real-world distances from map measurements and scale

Calculate time difference between two geographic locations

Calculate the grade percentage of elevation change over distance

Calculate population density per square kilometer

Convert decimal degrees to degrees, minutes, seconds

Adjust compass bearing for magnetic declination

Calculate drainage area from perimeter measurements

Calculate shortest distance between two points on Earth's surface

Calculate sun's elevation angle based on latitude and day of year

Calculate the gradient of a river or stream

Determine climate classification based on temperature and precipitation

Calculate wind chill temperature for weather analysis

Calculate the coastline length to land area ratio

Calculate urban sprawl index based on area and population growth

Calculate urban heat island intensity

Calculate normalized difference vegetation index (NDVI)

Calculate distance to earthquake epicenter using P and S wave arrival times

Calculate drainage density of a watershed

Calculate maximum visibility distance based on elevation