What is considered a good SUS score?
Interpreting Scores
Based on research, a SUS score above a 68 would be considered above average and anything below 68 is below average, however the best way to interpret your results involves “normalizing” the scores to produce a percentile ranking.
How do you compare SUS scores?
Scoring SUS
This scales all values from 0 to 4 (with four being the most positive response). Add up the converted responses for each user and multiply that total by 2.5. This converts the range of possible values from 0 to 100 instead of from 0 to 40.