80 tools
Tools
Every tool runs in your browser on public data. Live services such as the geocoder and router can be unavailable; when one fails, the tool says so instead of showing an estimate.
Start with a question
01 — Where
Which county, code, or coordinate is this?
- What county am I in?Find the county, parish, or borough for a GPS fix or address, with its FIPS code, 2024 population, land area, and ranks.
- County FIPS code lookupSearch 3,144 counties and county-equivalents by name, or paste a 2 or 5 digit code to find the place it belongs to.
- GPS coordinate converterConvert decimal degrees, DMS, DMM, UTM, geohash, and plus codes, with what each decimal place means on the ground.
- Cities on the same latitudeUS towns and world cities that share your parallel, ordered west to east, with the distance to each.
- Antipode finderThe exact opposite point on Earth, the country or ocean it lands in, and the nearest large city to it.
- Random US town generatorPick a random US town of 1,000+ people, filtered by state and minimum population, with a shareable link.
02 — How far
How far apart, and what sits in between?
- As the crow flies distance calculatorStraight-line miles, kilometers, and nautical miles between two places, with bearings and the formula worked with your numbers.
- Halfway point between two placesThe geodesic midpoint plus the towns of 1,000+ people nearest to it, ranked by how evenly they split the trip.
- Meeting point calculatorThe geographic midpoint and the point with the least total travel for 2 to 20 people, with each person's distance and the nearest town.
- How far is the nearest big city?The nearest place of 10,000, 50,000, 100,000, 250,000, 500,000, and 1 million people, with straight-line miles and direction.
- Distance between state capitalsStraight-line distance and bearing between any two of the 50 state capitals and Washington, DC, plus the full matrix.
- Great circle route mapDraw the shortest path between two places on a globe and on Mercator, and compare it with the constant-heading rhumb line.
- Miles per degree calculatorLength of one degree, minute, and second of latitude and longitude at any latitude on the WGS84 ellipsoid.
03 — How big
How many people, ZIP codes, or square miles?
- Population within a radiusAdd up the 2024 population of places and counties whose internal point falls inside a circle you draw.
- ZIP codes within a radiusList every Census ZCTA whose internal point sits inside a radius, sorted by distance, ready to copy.
- Population in a drawn areaDraw a shape to total 2024 population by places and by counties, with its area and people per square mile.
- ZIP codes in a county, city, or stateList every Census ZCTA in a county, city, or state, mapped, with land area and county. Copy or download as CSV.
- Compare two countiesPopulation, land area, density, income, and national ranks for any two US counties, side by side.
- County size comparisonDrag a county's true outline anywhere to compare its land area with another place, without Mercator distortion.
Every tool by category
80 tools · 7 categoriesLocation
6Detect county, city, state, ZIP, or country from GPS or a search.
Measurement
19Distances, radii, area, bearings, drive-time, and matrices.
- Drive time mapWorld · guide
- Map radius toolWorld · guide
- Map area calculatorWorld · guide
- Distance between two placesWorld · guide
- Halfway point between two placesWorld · guide
- Distance between ZIP codesUS · guide
- Distance between citiesWorld · guide
- As the crow flies distance calculatorWorld · guide
- Bearing calculatorWorld · guide
- Multi-stop route distanceWorld · guide
- Distance matrix calculatorWorld · guide
- Horizon distance calculatorWorld · guide
- How far is the nearest big city?US · guide
- Distance between state capitalsUS · guide
- Great circle route mapWorld · guide
- Meeting point calculatorWorld · guide
- Closest location finderWorld · guide
- Destination point calculatorWorld · guide
- Concentric circles mapWorld · guide
Coordinates
13Geocode, convert formats, antipodes, random points, centroids.
- Address to coordinatesWorld · guide
- Coordinates to addressWorld · guide
- Coordinates to cityWorld · guide
- Coordinates to countryWorld · guide
- Coordinates to stateUS · guide
- Latitude longitude finderWorld · guide
- GPS coordinate converterWorld · guide
- UTM to lat/longWorld · guide
- Antipode finderWorld · guide
- Random location generatorWorld · guide
- Geographic center finderWorld · guide
- Cities on the same latitudeWorld · guide
- Miles per degree calculatorWorld · guide
Map makers
10Draw, color, pin, and convert CSV/KML/GPX/GeoJSON in the browser.
Data
17US ZIP/city/population lookups, counties, and national parks.
- ZIP codes within a radiusUS · guide
- Find cities in radiusUS · guide
- Population within a radiusUS · guide
- Address to county lookupUS · guide
- County map with citiesUS · guide
- US county map interactiveUS · guide
- Find nearest national parkUS · guide
- County FIPS code lookupUS · guide
- County size comparisonUS · guide
- Compare two countiesUS · guide
- Random US town generatorUS · guide
- ZIP codes in a county, city, or stateUS · guide
- ZIP codes in a drawn areaUS · guide
- Cities in a drawn areaUS · guide
- Population in a drawn areaUS · guide
- ZIP code to latitude and longitudeUS · guide
- US places with the same nameUS · guide
Reference
8Elevation, time zones, sun, moon, and day/night.
Geographic lines
7Equator, tropics, polar circles, prime meridian, date line.