Salary Sacrifice Pension Calculator
Calculate take-home pay after salary sacrifice and see your National Insurance (NI) savings.
How Salary Sacrifice Works in 2026/27
A salary sacrifice arrangement is a formal, contractual agreement between a UK employee and their employer where the worker voluntarily surrenders a portion of their gross cash earnings in exchange for non-cash contractual benefits—most universally structured as a direct pre-tax pension contribution. Because your statutory gross base salary is lowered, your overall exposure to HMRC Income Tax and National Insurance Contributions (NICs) scales down significantly.
Employee vs. Employer NI Savings
Employees in the United Kingdom looking to aggressively scale their retirement portfolios while mitigating net take-home cash drops, and payroll HR managers aiming to demonstrate corporate tax efficiencies to workforce teams rely on this tool.
Impact on Student Loan Repayments
1. Enter your gross annual UK salary (£). 2. Input the percentage of salary you wish to sacrifice into your pension. 3. Select your student loan repayment plan if applicable. 4. Click Calculate to review your take-home pay and employee/employer NI tax savings.
Child Benefit Charge Mitigation
The computational ledger maps out a side-by-side 'Before vs. After' analysis. Review the 'Employer NI Savings' projection line carefully; many progressive British organizations actively pass their payroll saving (set at a 15% rate for the 2026/27 fiscal window) directly back into the employee's personal retirement pot.
Frequently Asked Questions
Q: How does salary sacrifice save on National Insurance?
A: Because your contractual gross salary is reduced before payroll runs, you pay less employee National Insurance (8% or 2%), and your employer pays less Employer NI.
Q: Does salary sacrifice lower my student loan payments?
A: Yes. Student loan deductions are calculated on your post-sacrifice gross pay, lowering your mandatory monthly student loan deduction.
Q: Can salary sacrifice bring my earnings below National Minimum Wage?
A: No. UK employment law strictly prohibits salary sacrifice arrangements from reducing an employee's cash earnings below the National Living Wage.