Short work breaks

The calculator uses the numbers you enter: work hours, breaks, and the target. 8 times 60 over 45 minus 6 is 4.7 short breaks missing. Length and the longest stretch sit in the grid.

The target is the number you enter, not a medical rule. The calculator does not schedule breaks. Sitting: sitting time and breaks.

Input data

Enter work hours, breaks, and the target. You can leave the optional fields blank.

Optional context

These three fields are optional. The calculator uses them for the week, the share of pauses away from the screen, and screen time. A blank field skips that context and does not change the main result.

Results

Enter data and click Calculate.

How it works

The calculator multiplies hours by 60, divides by the target, and subtracts breaks. 8 times 60 over 45 is 10.7. 10.7 minus 6 is 4.7 short breaks missing. Length and the longest stretch sit in the grid.

The main result comes from hours, breaks, and the target. Optional fields sit in the grid.

Second example: 7 times 60 over 30 minus 12 is 2 short breaks missing. Third: 9 times 60 over 60 minus 1 is 8 short breaks missing.

The target is the number you enter, not a medical rule. A comma in 12.5 is read the same way as a period.

Indicative context

The notes below are indicative. They are not a diagnosis, they do not replace a doctor or a physiotherapist, and they do not become the target in the form.

  • Polish workplace rules for display-screen work ask the employer either to mix screen work with other tasks that rest the eyes and change posture, or to give at least a 5-minute break, counted as work time, after each hour at a monitor. The rule covers people who use a monitor for at least half of the working day. That is workplace organization, not medical advice.
  • The common 20-20-20 eye hint says to look about every 20 minutes at an object about 6 meters away for about 20 seconds. It is about eye fatigue during long screen work. This calculator does not compute that rule.
  • WHO advises limiting long sitting and breaking it up with movement. It does not give one minute count that fits every workday.

Formula

Result = hours × 60 ÷ target − breaks. At 8, 6, and 45: 480 ÷ 45 − 6 = 4.7, so 4.7 short breaks missing.

What these numbers mean

8 times 60 over 45 minus 6 is 4.7 short breaks missing.

hours and breaks
Work hours times 60 and the pause count. In the first example that is 8 and 6.
target
How often you want a pause, in minutes. Here that is 45.
length and stretch
They sit in the grid. Optional fields also do not change the main result.

How to use

  1. Enter 8 work hours.
  2. Add 6 short breaks and 2 minutes per break, plus a longest stretch of 90 and a target of 45.
  3. Click Calculate. The result is 4.7 short breaks missing.
  4. Second example: 7, 12, 2, 35 and 30 is 2 short breaks missing. Third: 9, 1, 3, 240 and 60 is 8 short breaks missing.
  5. You can skip the optional fields. When you fill them, they appear in the grid and do not change the main result.

Examples

Example 1

  • work 8 h
  • microbreaks 6
  • pause 2 min
  • stretch 90 min
  • target 45 min

4.7 short breaks missing

8 × 60 ÷ 45 − 6 = 4.7. Length and the longest stretch sit in the grid.

Example 2

  • work 7 h
  • microbreaks 12
  • pause 2 min
  • stretch 35 min
  • target 30 min

2 short breaks missing

7 × 60 ÷ 30 − 12 = 2.

Example 3

  • work 9 h
  • microbreaks 1
  • pause 3 min
  • stretch 240 min
  • target 60 min

8 short breaks missing

9 × 60 ÷ 60 − 1 = 8.

Related calculators

Common questions

What does 4.7 short breaks missing mean?

8 × 60 ÷ 45 − 6 = 4.7. Length and the longest stretch sit in the grid.

How is the result calculated?

Result = hours × 60 ÷ target − breaks. At 8, 6 and a target of 45 the result is 4.7 short breaks missing.

What is the second example?

7 × 60 ÷ 30 − 12 = 2.

What is the third example?

9 × 60 ÷ 60 − 1 = 8.

What does the calculator not do?

The calculator does not schedule breaks. The target is not a medical rule. Optional fields do not change the main result.

Do all fields enter the main result?

No. The main result comes from hours, breaks, and the target. Length, the longest stretch, and optional fields sit in the grid.

What do hours, breaks, and the target mean?

Hours are work time. Breaks are the short-pause count. The target is the minute interval you set.

Does a comma in 12.5 work?

Yes. 12.5 and 12,5 are read the same way.

Sources

The result comes from the numbers you enter. This is the break count versus the target, not an adherence score.

Page updated in 2026.