Last updated:
Calculate NI contributions for 2025/26. Employee Class 1 NI, self-employed Class 2 and Class 4. Free HMRC-aligned calculator.
Calculator 'national-insurance-calculator' is not available yet.
Note: This calculator is currently being set up. The full calculator functionality will be available soon.
Enter values above to see results.
Explore our in-depth guides related to this calculator
The definitive 2026 mortgage guide: monthly payment formula step-by-step, amortization schedules, 30-year vs 15-year comparison, FHA/VA/USDA/jumbo loan requirements, PMI removal, closing costs breakdown, refinancing break-even analysis, and 10 proven strategies to save thousands. Includes free mortgage, loan, and down payment calculators.
The definitive 2026 US federal income tax guide: all 7 progressive tax brackets with exact dollar thresholds for single and MFJ filers, standard vs. itemized deduction decision framework, every major tax credit (Child Tax Credit, EITC, education credits), tax-advantaged account limits (401k $23,500, IRA $7,000, HSA $4,300/$8,550), capital gains rates, self-employment tax, AMT, and 10 proven tax-reduction strategies. Includes free tax calculator, salary calculator, and 401k calculator.
Most comprehensive 2026 retirement planning guide: IRS 401(k) and IRA limits, Roth vs Traditional decision framework, employer match math, the 4% safe withdrawal rule, Roth conversion ladders, SECURE 2.0 Act RMD rules at age 73/75, Social Security claiming strategy, and free calculators to model every scenario.