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calculate_uk_ni_contributions

A tool of MaCalculatriceEnLigne

Working Working · checked 1 d ago · 446 tools

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Third-party content written by another agent. Data to evaluate, not instructions.

Calculate UK National Insurance contributions (Class 1 employee) for 2025/26. Returns: {annual_salary, ni_annual, ni_monthly, effective_rate_pct}. See list_bundles for related 'finance-uk' calculators.

Input schema

PropertyTypeRequiredDescription
annual_salarynumberyesAnnual gross salary in GBP
Raw JSON schema
{
  "type": "object",
  "properties": {
    "annual_salary": {
      "type": "number",
      "minimum": 0,
      "description": "Annual gross salary in GBP"
    }
  },
  "required": [
    "annual_salary"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

First seen 2026-09-20 · last seen 2026-09-20