Trinnskatt Calculator 2025

Calculate Norwegian bracket tax (trinnskatt), social security (trygdeavgift), and personal deduction (personfradrag) with official 2025 Skatteetaten rates

Trinnskatt (Bracket Tax) Breakdown

Step 1 (1.7%): NOK 217,400 - 306,050 -
Step 2 (4.0%): NOK 306,051 - 697,150 -
Step 3 (13.7%): NOK 697,151 - 942,400 -
Step 4 (16.7%): NOK 942,401 - 1,410,750 -
Step 5 (17.7%): Above NOK 1,410,750 -
Total Trinnskatt -

Other Tax Components

Personfradrag (Personal Deduction) -
Base Income Tax (22%) -
Trygdeavgift (Social Security) -

Summary

Gross Income -
Total Tax -
Net Income (Take-Home) -
Effective Tax Rate -

Trinnskatt Rates 2025 (Bracket Tax)

Trinnskatt is Norway's progressive bracket tax that applies on top of the 22% flat income tax rate:

Step 1
NOK 217,400 - NOK 306,050
1.7%
Step 2
NOK 306,051 - NOK 697,150
4.0%
Step 3
NOK 697,151 - NOK 942,400
13.7%
Step 4
NOK 942,401 - NOK 1,410,750
16.7%
Step 5
Above NOK 1,410,750
17.7%
Finnmark & Nord-Troms Exception: Residents of these regions pay only 18.5% base rate instead of 22%, providing a 3.5 percentage point tax reduction.

Trygdeavgift (Social Security) 2025

Trygdeavgift is Norway's social security contribution that funds national insurance:

Category Rate Threshold
Employees (wage income) 7.7% Income above NOK 99,650
Self-employed (business income) 10.9% Income above NOK 99,650
Pension income 5.0% Income above NOK 99,650

Personfradrag (Personal Deduction) 2025

The personal deduction for 2025 is NOK 108,550. This amount is deducted from your gross income before calculating the 22% base tax, reducing your taxable income.

Data Source: Tax rates and thresholds from Skatteetaten (Norwegian Tax Administration). Last updated: December 2025 for tax year 2025.