How to find your facebook profile ID?

Step 1 : login your facebook  account,

Step 2: click on your name and the page redirects to your wall,

Step 3: click on url and replace the https://facebook.com/username

Step 4: https://facebook.com/username replace https to graph,

Step 5: Your will redirect to another page and display with following content

{
   "id": "366119430204453",
   "about": "Best Place to Share Photo",
   "can_post": false,
   "category": "Entertainment website",
   "checkins": 0,
   "cover": {
      "cover_id": 366119530204443,
      "offset_x": 0,
      "offset_y": 21,
      "source": "https://scontent-a.xx.fbcdn.net/hphotos-xap1/v/t1.0-9/s720x720/10671441_366119530204443_3659071835405334453_n.jpg?oh=c1fb35baafff020e061d56135bfddb80&oe=54ADB186"
   },
   "has_added_app": false,
   "is_community_page": false,
   "is_published": true,
   "likes": 254,
   "link": "https://www.facebook.com/Jqslider",
   "name": "Jqslider Slideshows",
   "talking_about_count": 31,
   "username": "Jqslider",
   "website": "http://Jqslider.com",
   "were_here_count": 0
}

Step 6 : Copy the id bolded and use it for your reference..