Your Details
Mid-Year Salary Change
Model a pay rise or salary change part-way through the tax year. Enter your starting salary above, then the change details here.
Benefits in Kind
Benefits in Kind are taxable but don't come through your salary. The tax is usually collected by adjusting your tax code (reducing your allowance). Enter the P11D value from your employer.
Bonus & Allowances
Bought Holiday
The cost is deducted via salary sacrifice across your company's year. If your company year differs from the tax year, you may need to enter days for two company years.
Pension
Student Loan
Tax-Efficient Deductions
Employer Costs
Results
Salary Breakdown
Detailed Breakdown
| Item | Annual | Monthly |
|---|
Workplace Pension
(from Calculator tab)Additional SIPP Contribution
SIPP contributions receive tax relief. Your provider adds 20% basic rate automatically. Higher/additional rate relief can be claimed via self-assessment, or you can contact HMRC to adjust your tax code.
Carry Forward (Previous Years)
You can carry forward unused Annual Allowance from the previous 3 tax years. Enter your total pension contributions (employee + employer) for each year.
Annual Allowance Summary
Allowance Breakdown
Tax Relief Summary
This tax yearLeave Setup
Employer enhanced pay statutory only
Pension during leave full salary
Impact Summary
Your Leave Plan
Holiday Planner
Month-by-Month Breakdown
| Month | Status | Gross Pay | Tax | NI | Net Pay | vs Normal |
|---|---|---|---|---|---|---|
| Enter a salary on the Calculator tab to see results | ||||||
Strategic Summary
Enter a salary on the Calculator tab to see insights.
Many parents return from leave on a reduced schedule — for example, 4 days per week. Use the Working Pattern tab to model the salary, tax, pension, and holiday impact of changing your hours.
Model a different working pattern →Working Pattern Change
Model the impact of changing your working days — reducing or increasing. Uses all inputs from the Calculator tab.
Impact Summary
Benefits & Entitlements
Freelance Offset
Side-by-side Comparison
| Item | Current (5 days) | Proposed (4 days) | Difference |
|---|
Learning
Guides to UK tax, pensions, and optimisation strategies.
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