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Peer Review Turnaround Calculator

Work out peer review turnaround instantly with clear inputs, formula shown and shareable results.

About Peer Review Turnaround Calculator

Time to publication is the sum of review, revision and production. Sixty-two days to first decision, thirty revising, twenty-eight to final decision and thirty-five in production is 155 days - just over five months, with 58% of the delay in peer review and 19% with the authors. Journals report median first-decision times, which is only the first component.

Formulas

Total time

total = first decision + revision + final decision + production

Review share

share = (first + final decision days) / total

Worked example

With the default values below, Peer Review Turnaround Calculator returns Total Time To Publication of 155. Change any input above and every figure here is recalculated in your browser.

Inputs used

Days to first decisionminimum 0
62
Days spent revisingminimum 0
30
Days to the final decisionminimum 0
28
Days from acceptance to publicationminimum 0
35

Results

Total Time To Publication
155 days
Total Time In Months
5.1
Share Of Time In Peer Review
58.1%
Share Of Time With The Authors
19.4%

Step by step

  1. 1Values used
  2. 2Total time
  3. 3Review share
  4. 4Total Time To Publication= 155 days
  5. 5Total Time In Months= 5.1
  6. 6Share Of Time In Peer Review= 58.1
  7. 7Share Of Time With The Authors= 19.4

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 does publication take so long?

Reviewer recruitment is the main bottleneck - finding two or three willing experts often takes longer than the reviews themselves.

Does preprinting help?

It makes the work citable immediately, which decouples dissemination from the review timeline even though formal publication is unchanged.

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