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Calculate National Insurance contributions for employees and self-employed workers. See Class 1, 2, and 4 NI rates and thresholds for the 2024-25 UK tax year.
The National Insurance - UK helps you make informed financial decisions in UK. This calculator provides accurate calculations based on current rates and regulations in UK. Whether you're planning your finances, comparing options, or making investment decisions, this tool gives you the insights you need. Simply enter your details and get instant, detailed results with clear explanations.
A typical scenario using default values
{
"annual_income": 50000
}