"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
If you run a BT Performance Test and then click on Further Diagnostics and enter your telephone number, you will obtain the IP Profile for your line. If this is 77.44Mbps you are synchronising at the maximum possible rate of 80Mbps. If not, multiply it by 1.033 to obtain your synchronisation speed.
I was estimated 56/18. I download at approx 74/18 with a latency of 11ms and Plusnet report my line as 78Mbps. BT engineer said I was roughly 450-500m from my cab. A vast improvement over my Sky fibre speeds.