FreeByte

Four-day week calculator

Pay cut against time gained.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
10%
$
$

Net cost of the change

$4,796

Pay reduction

$8,200

With these inputs, net cost of the change comes to $4,796. Pay reduction works out to $8,200.

Costs avoided
$3,404
Effective hourly change
12.5%

What moves the number · Net cost of the change

Input−10%Now+10%
Salary$3,976$4,796$5,616
Pay reduction$3,976$4,796$5,616
Commute cost per day$4,860$4,796$4,732
Childcare saved per day$5,072$4,796$4,520

Solve for an input

Whatmakesequal

Compare scenarios

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Pay cut against time gained.

A worked example

Starting figures

Salary
$82,000
Pay reduction
10%
Commute cost per day
$14
Childcare saved per day
$60

What it returns

Net cost of the change
$4,796
Pay reduction
$8,200
Costs avoided
$3,404
Effective hourly change
12.5%

How to read the results

With the defaults above, net cost of the change works out at $4,796.

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