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Email Time Cost Calculator

Work out email time cost instantly with clear inputs, formula shown and shareable results.

About Email Time Cost Calculator

Email cost is volume times handling time times loaded hourly cost. At 85 emails a day and under two minutes each, more than a quarter of the working day disappears — which is why volume reduction beats speed-reading as an intervention.

Formulas

Daily hours

Daily hours = Emails per day x Minutes per email / 60

Annual cost

Annual cost = Daily hours x Working days x Loaded hourly cost

Worked example

With the default values below, Email Time Cost Calculator returns Annual cost of email handling of $1,055,700.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Emails handled per day
85
Average minutes per email
1.8
Loaded hourly cost
1,800
Working days per year
230

Results

Annual cost of email handling
$1,055,700.00
Hours per day on email
2.55
Hours per year on email
586.5
Share of an eight-hour day
31.87%

Step by step

  1. 1Values used
  2. 2Daily hours
  3. 3Annual cost
  4. 4Annual cost of email handling= 1,055,700.00
  5. 5Hours per day on email= 2.55
  6. 6Hours per year on email= 586.5
  7. 7Share of an eight-hour day= 31.87

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 or tax into account.
  • Figures are rounded for display to 2 decimal places, 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

Is two minutes per email realistic?

For a mix of skims and replies, yes. Substantive replies take five to fifteen minutes, which is why a small number of them dominate the total.

What reduces email volume most?

Removing unnecessary recipients, replacing status emails with a shared board, and defaulting to a channel rather than a thread for short exchanges.

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