According to a study conducted by The Knot, 14.5 months, The Knot. a long engagement a million in between whether a longer or shorter engagement The Knot planning the wedding 14.5 months, With the average engagement being 14.5 months the average length of an engagement average length of an engagement is just under 15 months average engagement length average length is around 14 months 14.5 months Dr. Scott Haltzman a 2015 study The Knot's 2015 Real Wedding Study https://www.theknot.com/content/too-long-to-be-engaged average length of an engagement 2-5 years after meeting Engagements a million in between 14.5 months, theknot.com 2015 Real Wedding Study Knot theknot.com The Knot. The Knot 14.5 months