In this tutorial I will show you how to draw a circle on google map. We need to provide the radius, center point latitude and longitude, and different color options.
Following are the options to draw a Circle on google Map for new york location with different color options also.
new google.maps.Circle({ strokeColor: '#4374E0', strokeOpacity: 0.8, strokeWeight: 2, fillColor: '#4374E0', fillOpacity: 0.35, map: map, center: {lat: 40.714, lng: -74.005}, radius: Math.sqrt(8406000) * 100 });
Here is a complete example of draw a circle on google map.
<!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta charset="utf-8"> <title>Circles</title> <style> html, body { height: 100%; margin: 0; padding: 0; } #map { height: 100%; } </style> </head> <body> <div id="map"></div> <script> function initMap() { // Create the map. var map = new google.maps.Map(document.getElementById('map'), { zoom: 5, center: {lat: 40.714, lng: -74.005} }); // Add the circle for this city to the map. new google.maps.Circle({ strokeColor: '#4374E0', strokeOpacity: 0.8, strokeWeight: 2, fillColor: '#4374E0', fillOpacity: 0.35, map: map, center: {lat: 40.714, lng: -74.005}, radius: Math.sqrt(8406000) * 100 }); } </script> <script async defer src="https://maps.googleapis.com/maps/api/js?signed_in=true&callback=initMap"></script> </body> </html>
The result be like below:

Hope this tutorial will help you.