Employer Payroll Calculator

Before and after April 2025

Use our Employer Payroll Calculator to see how the April 2025 National Insurance changes impact your payroll costs. Compare before and after rates, including the NIC increase to 15%, a lower secondary threshold, and a higher employment allowance.

How will the national insurance rate change in April 2025 affect payroll costs?

  1. Employer NIC Rate: Increasing from 13.8% to 15%.

  2. Secondary Threshold: Lowering from £9,100 to £5,000 per year.

  3. Employment Allowance: Rising from £5,000 to £10,500, with no £100,000 eligibility cap.

Enter the employee's annual salary before tax
Minimum contribution is 3% of qualifying earnings
Check this if the employee has opted out of pension contributions

Pension calculations in this tool are based on ‘qualifying earnings’.

Disclaimer

The Finance Box Payroll Calculator is provided for informational purposes only and is intended to offer general payroll estimates. While we strive to ensure accuracy, Finance Box cannot guarantee that the calculations are error-free or reflect the latest tax laws, deductions, or regulations.

Finance Box accepts no liability for any discrepancies, financial loss, or decisions made based on the results provided by this tool. For precise payroll calculations and compliance with tax obligations, please consult a qualified accountant or payroll professional.

By using this calculator, you acknowledge and agree that Finance Box is not responsible for any errors, omissions, or misinterpretations that may arise.

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Take a look at our helpful payroll dates and deadlines article

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As you grow, we can streamline your cashflow by optimising your ingoing and outgoings, identify profitability issues before or as they arise, and advise you on a range of decisions such as the best time to hire new staff. This will give you the best possible start for your business and ensure it’s in good standing for years to come.

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Take a look at our corporation tax calculator to see if you qualify.

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Handling payroll can be stressful, but with Finance Box, you're in safe hands. Our experienced team ensures that your payroll runs smoothly, accurately, and on time—every time. We take care of everything, from PAYE calculations to HMRC compliance, so you can focus on running your business.

With Finance Box, you don’t just get a payroll service—you get a reliable partner who understands the importance of getting it right. No errors, no delays, just seamless payroll management you can trust.

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