Enter the total delay time (ms,s,min) and the total overall time (ms,s,min) into the Delay Percentage Calculator. The calculator will evaluate the Delay Percentage. 

Delay Percentage Formula

The following two example problems outline the steps and information needed to calculate the Delay Percentage.

DP = DT / TT * 100


  • DP is the Delay Percentage (%)
  • DT is the total delay time (ms,s,min) 
  • TT is the total overall time (ms,s,min) 

To calculate the delay percentage, divide the total delay time by the total overall time, then multiply by 100.

How to Calculate Delay Percentage?

The following steps outline how to calculate the Delay Percentage.

  1. First, determine the total delay time (ms,s,min). 
  2. Next, determine the total overall time (ms,s,min). 
  3. Next, gather the formula from above = DP = DT / TT * 100.
  4. Finally, calculate the Delay Percentage.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

total delay time (ms,s,min) = 30

total overall time (ms,s,min) = 75

DP = DT / TT * 100 = ?