Tax and salary

Shift Work Pay Comparison

Compare two shift patterns using the premium rates in your employment or collective agreement.

Quick math0

Use this for quick arithmetic, percentages, or to check figures while filling in the main tool, without leaving the page.

Your figures

Estimate

Difference between shift patterns: 1,406 NOK

Pattern A gross pay
11,250 NOK
Pattern B gross pay
12,656 NOK
Difference (B − A)
1,406 NOK

How this breaks down

Pattern A base pay
9,375 NOK
Pattern A premium
1,875 NOK
Pattern B premium
3,281 NOK

Gross estimate before tax. Use the premium rates in your agreement; shift and night premiums have no general statutory rate.

How to use this tool

  1. Use Shift Work Pay Comparison for the question described above, and check that the inputs match your records and time period.
  2. Enter hourly wage.
  3. Enter pattern a shift hours.
  4. Enter pattern a premium.
  5. Enter pattern b shift hours.
  6. Enter pattern b premium.
  7. Change hourly wage, pattern a shift hours, pattern a premium, pattern b shift hours, pattern b premium to compare scenarios, then check the units in the result.

Worked example with the prefilled values

This example shows how Shift Work Pay Comparison uses its starting values. Change the calculator inputs to estimate your own situation.

Hourly wage
250 NOK/hour
Pattern A shift hours
37.5 hours
Pattern A premium
20 %
Pattern B shift hours
37.5 hours
Pattern B premium
35 %

Difference between shift patterns: 1,406 NOK

  • Pattern A gross pay11,250 NOK
  • Pattern B gross pay12,656 NOK
  • Difference (B − A)1,406 NOK

Gross estimate before tax. Use the premium rates in your agreement; shift and night premiums have no general statutory rate.

Formula and calculation logic

Scenario gross pay = hourly wage × shift hours × (1 + agreed premium)

Difference = scenario B gross pay − scenario A gross pay

Each scenario adds its agreed premium to the hourly wage for the entered shift hours.

Assumptions

  • Shift, night and weekend premium rates generally depend on your employment or collective agreement. This estimate excludes tax, overtime rules and other allowances.

Published sources

Further reading for checking current rules and information. These links are not live inputs to the tool.

Questions about this tool

Does Norwegian law set one standard shift premium?

No general night or shift premium rate applies to all workers. Use the rate in your agreement.

Are results before or after tax?

Results are estimated gross pay before tax and other deductions.