Proficiency Bonus 5e Chart. Not that you even need this formula unless homebrewing beyond Level 20 or making a program because the values are all printed on each class table. The formula for the Proficiency Bonus is 2 Total Level-14Rounded Down or 1 total level4Rounded up both formulas will give the same results.
The player rolls 11 d20 base roll 4 Strength modifier 3 proficiency bonus. In Dungeons and Dragons Fifth Edition Proficiency Bonus is a stat that represents your characters overall growth and progress. This flat bonus is applied to all d20 rolls made in.
Its defined by your characters class almost like a built-in bonus for things that your character is very good at ie.
The formula for the Proficiency Bonus is 2 Total Level-14Rounded Down or 1 total level4Rounded up both formulas will give the same results. At level 5 the bonus increases to 3. Proficiency bonuses are based on character level not class level. Your overall proficiency bonus increases based on a set value as you level up.