Bonus vs Pay Rise Calculator
When negotiating compensation, understanding whether to push for a bonus vs pay rise can significantly affect your long-term wealth. A permanent salary increase compounds over your career.
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Many people assume a bonus is taxed more heavily than regular salary. This is a misconception – both are taxed at your marginal rate. The difference is that bonuses hit your payslip in one month, making the tax deduction feel larger, while a pay rise spreads across twelve months.
Comparing bonus vs pay rise outcomes helps you make a smarter choice during salary negotiations. Enter both options below to see the long-term financial impact, including effects on take-home pay, pension, and mortgage affordability.
Bonus vs Pay Rise Calculator
Compare the real financial impact of a one-time bonus versus a permanent pay rise
Compare the real financial impact of a one-time bonus versus a permanent pay rise
= £2,250.00 per year
Employee contribution via salary sacrifice
One-Time Bonus
Gross: £3,000.00
You receive (after tax)
£2,040.00
Marginal rate: 32.0%
Over Time
Permanent Pay Rise
BetterGross: £2,250.00/year → £47,250.00
Extra per year (after tax)
£1,530.00
Marginal rate: 32.0%
Over Time (Cumulative)
3-Year Financial Comparison
Bonus (3 years)
£2,040.00
One-time payment
Pay Rise (3 years)
£4,590.00
Cumulative benefit
Difference
+£2,550.00
Pay rise wins
The pay rise is better long-term. While the immediate cash from a bonus might seem attractive, the permanent pay rise delivers £2,550.00 more over 3 years, plus ongoing benefits for pension, mortgage applications, and future pay rises.
Why Bonuses Appear to Be Taxed More
Bonuses and pay rises are both taxed as income, but they feel different because of how PAYE works. Understanding this helps you make better decisions about which to accept.
Bonus: Marginal Rate Shock
A bonus is added on top of your salary in one pay period. PAYE taxes it at your marginal rate immediately – often 40% or more for higher earners. There's no spreading of your Personal Allowance.
Pay Rise: Distributed Tax
A pay rise spreads across all 12 months, so each month's tax increase is smaller and less noticeable. The annual tax is the same, but psychologically it feels less painful.
The Real Difference
If a £3,000 bonus and a £3,000 pay rise are offered and your salary stays the same, you'd pay identical tax over the year. The difference is timing (lump sum vs monthly) and permanence (one-time vs ongoing).
The Long-Term Power of Pay Rises
While a bonus provides immediate cash, a pay rise has compounding benefits that extend far beyond the first year:
1. Ongoing Income
A £3,000 pay rise pays you £3,000 extra every year – Year 2, Year 3, Year 10, and beyond. A £3,000 bonus is gone after Year 1.
2. Future Pay Rises Compound
Your next percentage pay rise is calculated on your new, higher salary. A 3% rise on £48,000 is £1,440; on £45,000 it's only £1,350. Over time, this compounds significantly.
3. Higher Pension Contributions
If you contribute a percentage of your salary to pension, a higher base means more going in each month – plus more employer matching if applicable.
4. Better Mortgage & Credit Applications
Lenders look at base salary, not bonuses. A higher permanent salary improves your borrowing capacity for mortgages, loans, and credit cards.
5. Redundancy & Notice Pay
Statutory redundancy and notice periods are based on your salary. A higher base means better protection if you're ever made redundant.
Pension and Benefit Implications
Pay Rise: Pension Wins
- • Higher ongoing pension contributions
- • More employer matching each year
- • Compounds over your career
- • Tax relief on higher amount
Bonus: Strategic Option
- • Can sacrifice entire bonus to pension
- • Avoid 60% tax trap if near £100k
- • Get employer NI saved too
- • Useful for one-off top-ups
Child Benefit Consideration
If you earn between £60,000 and £80,000, the High Income Child Benefit Charge applies. A pay rise that pushes you further into this range increases the charge. A bonus creates the same issue, but you might sacrifice it to pension to avoid the charge entirely.
Frequently Asked Questions
Related Calculators
Bonus Tax Calculator
See exactly how much of your bonus you'll receive after tax and NI.
Pay Rise Calculator
Calculate the real-terms value of a pay rise after inflation and tax.
Take-Home Pay Calculator
Work out your complete salary after all deductions.
Salary Sacrifice Calculator
See how much you save by sacrificing bonus or salary into pension.
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