74 Free Map Tools
Radius maps and ZIP code radius search, distance and halfway calculators, county, ZIP and time zone finders, coordinate converters and simple map makers. Everything runs in your browser, with no account and no tracking. Need a printable outline instead? See the blank map library.
Where am I? Location, county, ZIP & time zone
17 toolsWhat Time Zone Am I In?
Your time zone is shown below as soon as the page loads, read from your device settings: the IANA zone, its name and abbreviation, UTC offset, whether Daylight Saving Time is in effect, and a live clock. Near a zone line or on a VPN, tap "Check with GPS"; to find the time zone of another city, address or ZIP code, use the search.
What County Am I In?
Tap "Find my county" to see which US county you are in right now, with its state, FIPS code and how far you are from the county line. You can also search a street address. Louisiana parishes, Alaska boroughs and Virginia independent cities are included.
What City Am I In? Check If You're Inside City Limits
Tap "Find my city" to see what city or town you are in right now and whether you are inside its city limits. The answer tells you if you are in a city, an unincorporated community or an unincorporated area of the county, even when your mailing address names a different city. Your position is checked against Census city and town boundaries.
What State Am I In?
Tap "Find my state" to see which US state you are in right now and how far you are from the nearest state line. You also get your county, city or unincorporated area, ZIP code area, coordinates and time zone. The check runs in your browser against Census state boundaries.
What ZIP Code Am I In?
Tap "Find my ZIP code" to see the 5-digit US ZIP code for the spot where you are, with its city, county and state. You can also search a street address or click the map. Handy for online forms, shipping estimates and tax lookups.
What Country Am I In?
Tap "Find my country" to see which country you are in right now and how far you are from the nearest border or coastline. You can also search a city or airport, or click the map. Handy when you travel near a border or land somewhere unfamiliar.
Address to County Lookup (Any US Address)
Type a US street address to look up the county, Louisiana parish or Alaska borough it belongs to, with the five-digit FIPS code, county seat and state on a map. For your current GPS position, use What County Am I In.
County Map With Cities, Towns & County Seats
Pick a US county, or search an address, to see the county boundary together with the cities, towns and Census Designated Places inside it, plus the county seat and FIPS code.
Interactive US County Map (All 3,143 Counties)
Browse every US county and county-equivalent on one zoomable nationwide map. Click or search any county to inspect FIPS codes, county seats, coordinates, and boundaries.
Coordinates to City: Find the City for Any Lat/Long
Enter any latitude and longitude coordinates or click anywhere on Earth to discover the legal city, town, or municipality name. Distinguishes incorporated municipal limits from unincorporated county land.
Coordinates to State Converter
Determine which US state, territory, or international province any latitude and longitude coordinates fall within. Features instant point-in-polygon verification and county readouts.
Coordinates to Country Converter
Enter any geographic coordinates to determine the sovereign nation, ISO 3166-1 alpha-2 code, and administrative territory. Covers 195 UN member/observer states and maritime economic zones.
US Time Zone Map
See the current local time in every US time zone on one map. Click a city marker or search a place to read its time, UTC offset and Daylight Saving status, or scan the live table sorted from west to east.
World Time Zone Map
Compare the current time in 42 cities on every continent. Markers are colored by UTC offset; click one or search any place to see its local time, offset and Daylight Saving status, and scan the live table from west to east.
Map With County Lines (County Boundaries on a Street Map)
Add county lines to a street map: search an address or pan around to see exactly where county boundaries fall, then click any spot for the county name, FIPS code and state. Best for checking which side of a county line a place is on.
Map with ZIP Codes (US ZCTA Boundaries)
Explore US ZIP code boundaries across any city or state. Enter any 5-digit ZIP code or click the map to view postal delivery envelopes, post office city names, and centroid coordinates.
Coordinates to Address Converter (Reverse Geocoder)
Enter any latitude and longitude pair or click on the map to reverse geocode the location into a structured street address, city, county, postal code, and country.
Radius maps & nearby search
9 toolsMap Radius Tool — Draw Radius Circles on a Map
Draw precision geodesic distance radius circles (miles, kilometers, feet) around any location or GPS coordinate. Computes exact enclosed surface area and perimeter based on the WGS84 ellipsoid.
Find ZIP Codes in a Radius
Discover all US postal ZIP codes located within a specified radius (e.g. 5, 10, 25, or 50 miles) of any address or city. Displays distance, county, and enables instant CSV export for marketing and delivery zones.
Find Cities in a Radius
Search all cities and municipalities within a custom radius buffer (5 to 100 miles) of any coordinate or address. Ranked by geodesic proximity with estimated populations and CSV export.
Population Within a Radius Calculator
Estimate the residential population and demographic density living within any radius circle. Utilizes spatial density models and US Census block group centroids to calculate total population within 5, 10, 25, or 50 miles.
Find Nearest National Park
Locate the closest US National Park from your current GPS position or any searched address. Compares all 63 Congressionally designated National Parks with exact straight-line mileage, compass bearings, park acreage, and established dates.
Map Area Calculator — Measure Land Area & Acreage
Click on the map or search an address to outline property parcels, farm acreage, or geographical features. Computes enclosed land area in acres, square feet, square meters, and hectares.
25 Mile Radius Map
Draw a 25-mile circle around any address, city or your current location. The map starts on downtown Denver; search or click to move it. See the area (about 1,963 square miles), perimeter and diameter, then list the ZIP codes or cities inside the circle.
50 Mile Radius Map
Draw a 50-mile circle around any address, city or your current location. The map opens on the Chicago Loop; search or click to move it. Read the area (about 7,854 square miles), perimeter and diameter, then list the ZIP codes, cities or population inside the circle.
100 Mile Radius Map
Draw a 100-mile circle around any city, address or your current location. The map opens on downtown Atlanta; search or click to move it. See the area (about 31,416 square miles), perimeter and diameter, then list the ZIP codes or cities within 100 miles.
Distance, midpoint & travel time
10 toolsDistance Between Two Places (Address to Address)
Enter two addresses, places or coordinates, or click two points on the map, to measure the distance between them on the WGS84 ellipsoid in miles, kilometers and nautical miles, with initial and final compass bearings. It is the shortest surface distance, not a driving route.
As the Crow Flies Distance Calculator (Straight Line)
"As the crow flies" means the straight line over the Earth’s surface, ignoring roads. Pick two points to get that air distance in miles and kilometers and compare it with a typical road detour (about 25% longer) to estimate real travel distance.
Distance Between ZIP Codes Calculator
Enter two US 5-digit ZIP codes to instantly compute the straight-line mileage and estimated driving distance between their Census ZCTA centroids. Displays county jurisdictions, state codes, and compass bearings.
Distance Between Cities (Flight Distance)
Pick two cities anywhere in the world to get the city-to-city flight distance along the great circle in miles and kilometers, with an estimated flight time and the time zone difference between them.
Halfway Point Between Two Places
Enter two addresses or cities, use your location, or click the map to find the halfway point: the spot on the shortest path over Earth's surface (WGS84 ellipsoid) that is the same straight-line distance from both. See its coordinates, the nearest towns with the distance from each side, and cafes, restaurants, gas stations, hotels and parks nearby to meet at. It is a straight-line midpoint, not a driving one.
Multi-Stop Route Distance Calculator
Plan multi-waypoint itineraries and perimeter routes. Add multiple stops by address or map click to calculate total mileage, leg-by-leg distances, bearings, and optional round-trip return to origin.
Distance Matrix Calculator (Pairwise Distance Table)
Generate a comprehensive pairwise distance table between multiple geographic points. Calculates all N × (N - 1) / 2 unique pairings with instant mileage, metric conversions, and one-click CSV spreadsheet export.
Drive Time Map (Travel Time Isochrone)
Generate interactive travel time isochrone envelopes from any point on Earth. Select 15, 30, 45, or 60 minutes and adjust average road speeds to visualize real-world accessible driving areas.
Time Difference Calculator Between Cities
Convert any date and time between 2 to 6 cities or time zones, see the shared work hours on a 24-hour grid, check upcoming daylight saving changes, and share the result or add it to your calendar.
Bearing Calculator — Forward Azimuth & Compass Heading
Calculate forward azimuth, arrival heading, back bearing, and constant rhumb line course between any two points on Earth. Features 16-point compass rose directions and great-circle track analysis.
Map makers & GIS file viewers
14 toolsFree Map Maker: Color a US Map
Make your own map for free: click US states to fill them with your colors to build a travel map, election map or sales territory map, then print or screenshot it. Need a key? Pair it with the Map With Legend maker.
Map With Legend Maker
The companion to our free map maker: add places by search or click, sort them into colored categories and get a map with a legend whose counts update automatically. Everything stays in your browser.
Pin Drop Map — Drop Pins & Save Locations
Drop custom color-coded pins anywhere on an interactive map. Add custom labels, address notes, and coordinates, and download your complete pin list as a CSV file.
Map Drawer — Draw Shapes, Polygons & Paths
Draw custom lines, polygons, and property boundaries directly onto an interactive map. Calculates enclosed surface area in acres, square miles, and square kilometers, with one-click GeoJSON export.
CSV to Map Visualizer
Upload or paste any CSV spreadsheet containing latitude and longitude columns to instantly plot all coordinates onto an interactive map. Automatic column detection with 100% in-browser security.
ZIP Code Map Maker
Paste a list of ZIP codes, or ZIP and value pairs, or upload a CSV. Every ZIP is matched to its Census ZIP Code Tabulation Area and drawn as a dot colored by value, with a legend, a table of matched and unmatched ZIPs, optional boundaries for up to 50 ZIPs, and PNG and CSV downloads.
Embed Map Code Generator
Generate responsive HTML <iframe> embed code for embedding interactive Open Map Lab maps onto blogs, business websites, or documentation.
GeoJSON Viewer & Map Inspector
Drag, drop, or paste GeoJSON data to visualize Point, LineString, Polygon, and MultiPolygon geometries on MapLibre. Inspect feature properties, bounding box extents, and geometry counts.
KML Viewer & Google Earth Map Inspector
Upload and inspect Google Earth KML files in your browser. Parses Placemarks, LineStrings, and Polygons onto interactive MapLibre vector maps without installing Google Earth.
GPX Viewer & Trail Track Visualizer
Upload and inspect GPX files from GPS watches, Garmin, or Strava. Renders GPS trail tracks, computes total track distance, and parses elevation profiles directly in your browser.
Latitude and Longitude Map (Graticule Grid)
Interactive world coordinate grid map. Click anywhere on the globe or search locations to read precise decimal degrees (DD), degrees minutes seconds (DMS), and geodesic distances to the Equator and Prime Meridian.
Country Size Comparison (True Size of Landmasses)
Compare the true physical land area of world countries without the visual distortion of the standard Mercator projection. Demonstrates how equatorial giants like Africa, Brazil, and India compare to high-latitude regions like Greenland and Russia.
Geographic Center Finder (Centroid & Center of Mass)
Calculate the true spherical center of mass for multiple coordinates, addresses, or cities. Converts points to 3D Cartesian vectors (X, Y, Z) to determine the exact geographic balance point without planar distortion.
Plot Multiple Addresses on a Map
Paste a list of addresses (one per line) or upload a CSV with address, label and category columns. Each address is geocoded one at a time, pinned on the map in its category color, and listed with latitude and longitude. Fix unmatched rows in place, then download the results as CSV, GeoJSON or KML.
Coordinates & elevation
11 toolsLatitude and Longitude Finder (GPS Coordinates of Any Place)
Tap "Find my coordinates" to see the latitude and longitude (lat long) of where you are, or search any address or click the map. Copy the point in decimal degrees, degrees-minutes-seconds and other formats, with its street address, ground elevation and time zone. You can also paste coordinates to check them. GPS accuracy depends on your device.
GPS Coordinate Converter (DMS, DMM & Decimal Degrees)
Paste a coordinate in any common notation, such as 40°42′46″N 74°0′22″W or 40.7128, -74.0060, and convert it between decimal degrees (DD), degrees-minutes-seconds (DMS) and degrees-decimal-minutes (DMM), with UTM shown alongside. For UTM easting/northing input, use the UTM to Lat/Long converter.
UTM to Lat/Long Converter (Easting & Northing)
Perform bidirectional conversion between Universal Transverse Mercator (UTM) survey grid coordinates and standard WGS84 geographic Latitude and Longitude. Converts Zone, Easting, and Northing into Decimal Degrees (DD) and DMS with sub-meter precision.
Address to Coordinates Converter (Lat/Long & UTM)
Convert any street address, city, or global landmark into geographic coordinates. Formats results in Decimal Degrees (DD), Degrees Minutes Seconds (DMS), Degrees Decimal Minutes (DMM), and Universal Transverse Mercator (UTM).
What Is My Elevation?
Tap "Find my elevation" to see how high the ground where you stand is above sea level, in feet and meters. The height comes from a global satellite terrain map (Copernicus, about 90 m detail), so it is ground height, not your phone's altitude reading. To look up a typed address or landmark, the Elevation Finder is quicker.
Elevation Finder: Elevation of Any Address or Place
Type any street address, landmark, summit or coordinate pair to look up its elevation above mean sea level in feet and meters, sampled from the Copernicus GLO-90 terrain model with a vertical accuracy estimate. No location sharing needed.
Elevation Profile Tool
Click two or more points on the map, or type a start and end place, to chart the terrain along the line. See total ascent and descent, the steepest segment and average grade, hover the chart to find any point, and copy the data as CSV.
Horizon Distance Calculator — Distance to the Horizon
Determine how far away the horizon is based on observer eye altitude above sea level. Accounts for standard terrestrial atmospheric refraction (k = 0.17) and Earth curvature.
Antipode Finder — Exact Opposite Point on Earth
Calculate the exact antipodal point on the other side of the planet for any coordinate or address. Checks if your opposite point lands on land or in open ocean.
Dig a Tunnel Through Earth (Antipode Simulator)
Ever wondered where you would end up if you dug a hole straight through the center of the Earth? This tool calculates your exact antipode, displays dual entrance and exit maps, and models gravity train transit physics.
Random Location Generator (Equal-Area Sphere)
Generate truly random coordinates on Earth without polar bunching. Employs Archimedes equal-area spherical projection sampling to ensure every square mile of the globe has an identical probability of selection.
Earth lines, sun & moon
13 toolsEquator Map: Where the Equator Is & the Countries It Crosses
The equator is the imaginary line around Earth at 0° latitude, exactly halfway between the North and South Poles, dividing the planet into the Northern and Southern Hemispheres. It is 40,075 km (24,901 miles) long, passes through 13 countries, and runs over water for about 79% of its length.
How Far Am I From the Equator?
Find out how far you are from the equator (0° latitude) in miles and kilometers. Use your GPS position or click anywhere on the map to see your distance measured due north or south along your meridian, plus your distance to the Tropics of Cancer and Capricorn, your hemisphere and climate zone.
The Tropic of Cancer (Northern Tropic)
Explore the Tropic of Cancer (approximately 23°26′11″ N). Learn how Earth's 23.44° axial tilt defines the northernmost latitude where the Sun can appear directly overhead at solar noon during the June Solstice.
The Tropic of Capricorn (Southern Tropic)
Interactive reference map and astronomical breakdown of the Tropic of Capricorn (23°26′11″ S). Details the southernmost latitude where the Sun reaches zenith at noon on the December Solstice across 10 sovereign nations.
The Arctic Circle (66°33′ N Polar Parallel)
Map and geophysical guide to the Arctic Circle (66°33′49″ N). Explores the boundary of the Midnight Sun, 24-hour polar night, the 8 Arctic Council nations, and changing polar ice geography.
The Antarctic Circle (66°33′ S Polar Parallel)
Interactive map and polar science reference for the Antarctic Circle (66°33′49″ S). Details the Southern Polar parallel, Antarctic Treaty scientific stations, and 24-hour summer daylight.
The Prime Meridian (0° Longitude Line)
Interactive map and historical cartographic reference for the Prime Meridian (0° Longitude). Traces the line from the Royal Observatory in Greenwich through 8 nations to Antarctica, detailing its role in UTC and global navigation.
The International Date Line (IDL Map)
Interactive map and guide to the International Date Line (IDL). Follows the ~180° meridian zig-zags around the Aleutian Islands, Kiribati (UTC+14), and Samoa, explaining calendar day shifts.
Live World Day and Night Map (Solar Terminator)
Real-time global day and night map displaying the solar terminator curve across Earth. See where it is currently daytime, twilight, and nighttime, with 24-hour simulation controls.
Moon Position Map & Sub-Lunar Point
Discover where the Moon is currently directly overhead on Earth (the sub-lunar point). Calculates real-time lunar altitude, azimuth, distance in kilometers, and illumination percentage.
Moon Phase Calendar (30-Day Lunar Cycle)
Explore lunar illumination and moon phases across any month. View daily illumination percentages, moon phase names (New Moon, Waxing Crescent, First Quarter, Full Moon), and lunar age in days.
Sunrise and Sunset Times Calculator
Calculate high-precision sunrise, sunset, solar noon, and twilight times (civil, nautical, astronomical) for any address or coordinate on Earth.
Sun Position Calculator (Solar Azimuth & Altitude)
Calculate the Sun's exact position in the sky (elevation angle and azimuth bearing) for any coordinate, date, and time. Features live shadow ratio calculations and solar noon tracking.