Calculator 1: For large businesses
This calculator uses average salary. It’s less accurate, but better for companies with a lot of staff.
UK Employer NI Contribution Calculator
Results
Current Tax Rate
Total Contribution:
After Allowance:
New Tax Rate
Total Contribution:
After Allowance:
Difference
Difference in Total Contribution:
Difference After Allowance:
Calculator 2: Small businesses
Small businesses can use this to enter individual salaries. It will give a more accurate NI calculation.
