UK Employer National Insurance Calculator

UK 2026/27, one monthly pay period for a regular category A employee, excluding director annual method. Uses £417 monthly secondary threshold and 15%. Does not deduct Employment Allowance or special reliefs; excludes benefits charges. Outputs are unrounded arithmetic values; return-specific and payroll rounding procedures are separate.

UK 2026/27, one monthly pay period for a regular category A employee, excluding director annual method. Uses £417 monthly secondary threshold and 15%. Does not deduct Employment Allowance or special reliefs; excludes benefits charges. Outputs are unrounded arithmetic values; return-specific and payroll rounding procedures are separate.

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