How many seconds of video can you record with Instagram?
You can record anywhere from three to fifteen seconds of video with Instagram.
While fifteen seconds doesn't sound like a lot, you can do quite a bit with it if you edit your videos carefully. Plus, many people don't care for overly long videos anyway. People tend to enjoy videos on Instagram that are short and to the point. So bear this in mind when you go to share your videos on Instagram.
Read more: Instagram Help