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Pomodoro Session Plan Calculator

Work out pomodoro session plan instantly with clear inputs, formula shown and shareable results.

About Pomodoro Session Plan Calculator

The Pomodoro technique alternates 25 minute focus blocks with five minute breaks and a longer break every fourth block, making a four-block cycle of 135 minutes. Three hours therefore fits six focus blocks - 150 minutes of focused work at 83% of the session, with the rest as recovery that protects attention.

Formulas

Four-block cycle

cycle = 4 x focus + 3 x short break + long break

Blocks fitting

fill whole cycles first, then add partial blocks

Worked example

With the default values below, Pomodoro Session Plan Calculator returns Focus Blocks That Fit of 5. Change any input above and every figure here is recalculated in your browser.

Inputs used

Time availableminimum 1 min
180 min
Focus block lengthminimum 1 min
25 min
Short breakminimum 0 min
5 min
Long break every four blocksminimum 0 min
20 min

Results

Focus Blocks That Fit
5
Total Focused Time
125 min
Total Break Time
40 min
Share Of The Session Spent Focused
69.4%

Step by step

  1. 1Values used
  2. 2Four-block cycle
  3. 3Blocks fitting
  4. 4Focus Blocks That Fit= 5
  5. 5Total Focused Time= 125 min
  6. 6Total Break Time= 40 min
  7. 7Share Of The Session Spent Focused= 69.4

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why 25 minutes?

It is short enough that starting feels easy and long enough to reach depth. Some people work better at 45 or 50 minute blocks.

Should I skip breaks when in flow?

Occasionally, but breaks are what make the pattern sustainable across a whole day. Skipping them repeatedly is how the technique fails.

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