Shift differential calculator

Extra pay for unsocial hours.

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

Base rate

Differential

15%

Differential hours per week

Extra per week

$57.6

Per year

$2,995

With these inputs, extra per week comes to $57.6. Per year works out to $2,995. The result assumes base rate stays at 24%.

What moves the number · Extra per week

Input	−10%	Now	+10%
Base rate	$51.84	$57.6	$63.36
Differential	$51.84	$57.6	$63.36
Differential hours per week	$51.84	$57.6	$63.36

Whatmakesequal

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

Extra pay for unsocial hours.

With the defaults above, extra per week works out at $57.6.