Pilot Financial Tools — Salary Sacrifice, Tax & Pension Calculators

Pension Salary Sacrifice

Salary sacrifice is an arrangement where you agree to give up part of your salary in exchange for your employer making additional pension contributions on your behalf. The key benefit is that you save on both Income Tax and National Insurance — unlike a standard pension contribution where you only get tax relief.

How It Works

Instead of receiving, say, £500 of your monthly salary, your employer pays that £500 directly into your pension. Because your gross salary is reduced, you pay less Income Tax and less National Insurance. Your employer also saves on their NI contributions — and many companies pass some or all of that saving back to you as an additional pension contribution.

Employer Match / Top-Up Many airlines will match your sacrifice amount or add an extra percentage (e.g. if you sacrifice 5%, the company adds 5% or more). Some add a share of their NI saving. Check your company's scheme — this is essentially free money.

Example: Basic Rate Taxpayer (20%)

Item	Without Sacrifice	With £500/mo Sacrifice
Gross Salary	£50,000	£44,000
Income Tax Saved	—	£1,200/yr
Employee NI Saved (8%)	—	£480/yr
Employer NI Saved (13.8%)	—	£828/yr
Total Annual Benefit	—	£2,508/yr
Pension Contribution	£0	£6,000/yr + employer match

Higher Rate Taxpayer (40%)

The savings are even greater for higher rate taxpayers. If you earn over £50,270, every pound sacrificed saves you 40% tax plus 2% NI — a 42% saving compared to taking the cash.

Key Point Salary sacrifice reduces your "pensionable pay" and your P60 figure. This can affect mortgage applications (lenders look at gross salary) and any benefits calculated on salary. Weigh the pension benefit against these considerations.

Salary Sacrifice Calculator

Annual Gross Salary (£)

Monthly Sacrifice Amount (£)

Employer Match (%)

Employer NI Sharing (%)

The £100k Tax Trap

In the UK, once your adjusted net income exceeds £100,000, you start losing your Personal Allowance (currently £12,570). For every £2 you earn over £100k, you lose £1 of Personal Allowance. This means your effective marginal tax rate between £100,000 and £125,140 is 60%.

60% Effective Tax Rate Between £100,000 and £125,140 you pay 40% income tax PLUS lose Personal Allowance at a rate that adds an extra 20% effective tax. Total: 60% marginal rate on every pound in this band.

What You Lose Above £100k

Income	Personal Allowance	Tax on £100k–£125,140 Band	Effective Rate
£100,000	£12,570	—	40%
£105,000	£10,070	£3,000 (60%)	60%
£110,000	£7,570	£6,000 (60%)	60%
£115,000	£5,070	£9,000 (60%)	60%
£125,140	£0	£15,084 (60%)	60%

Childcare & Benefits Lost

Earning over £100k also triggers the loss of several valuable benefits:

Tax-Free Childcare: You lose eligibility for the government's Tax-Free Childcare scheme (worth up to £2,000 per child per year, or £4,000 for disabled children). Both parents must earn under £100k to qualify.
30 Hours Free Childcare: The 30 hours free childcare entitlement (for 3-4 year olds) is lost if either parent earns over £100k.
Child Benefit (HICBC): Already tapered from £60,000 (was £50,000 before April 2024). Fully lost at £80,000. If your partner claims and you earn over these thresholds, you must repay via the High Income Child Benefit Charge.
Marriage Allowance: Not available if either spouse is a higher rate taxpayer.

The Real Cost A pilot earning £105,000 vs £100,000 takes home only about £2,000 of that extra £5,000 — and may also lose £2,000+ in childcare benefits. The net gain from that £5,000 could be close to zero or even negative.

How to Avoid the Trap

Pension Salary Sacrifice: Reduce your adjusted net income below £100k by sacrificing salary into your pension. You keep your Personal Allowance AND build your pension.
Charitable Donations (Gift Aid): Gift Aid donations reduce your adjusted net income.
Personal Pension Contributions: Even without salary sacrifice, personal pension contributions get tax relief and reduce your adjusted net income.

Example If you earn £110,000 and sacrifice £10,000 into your pension, your adjusted net income drops to £100,000. You keep your full £12,570 Personal Allowance, saving approximately £5,028 in tax — on top of the pension contribution itself. Plus you retain childcare benefits.

VTO (Voluntary Time Off) Calculator

VTO is when you voluntarily give up a working day. The cost depends on your roster pattern because the number of "working days" in a year varies by pattern. Understanding the daily cost helps you decide whether a VTO is worth taking.

How VTO Days Are Calculated

The number of working days per year depends on your roster cycle:

Roster Pattern	Cycle Length	Days On per Cycle	Working Days/Year	Formula
5/4/5/4	18 days (5+4+5+4)	10 (5+5)	202.7	(365 / 18) × 10
5/3/5/3	16 days (5+3+5+3)	10 (5+5)	228.1	(365 / 16) × 10
5/4	9 days (5+4)	5	202.7	(365 / 9) × 5
5/3	8 days (5+3)	5	228.1	(365 / 8) × 5
4/4	8 days (4+4)	4	182.5	(365 / 8) × 4

To calculate the cost of one VTO day: Fixed Annual Salary ÷ Working Days per Year = Cost per VTO Day

Example On a 5/4/5/4 roster with a £55,000 fixed salary: £55,000 ÷ 202.7 = £271.34 per VTO day. On a 5/3/5/3 roster: £55,000 ÷ 228.1 = £241.12 per VTO day.

VTO Cost Calculator

Fixed Annual Salary (£)

Roster Pattern

Days On per Cycle

Total Cycle Length (days)

UK Tax Bands Reference (2024/25)

Band	Taxable Income	Rate
Personal Allowance	Up to £12,570	0%
Basic Rate	£12,571 – £50,270	20%
Higher Rate	£50,271 – £125,140	40%
Additional Rate	Over £125,140	45%

National Insurance (Employee)	Earnings	Rate
Below threshold	Up to £12,570/yr	0%
Main rate	£12,571 – £50,270	8%
Upper rate	Over £50,270	2%

Note Tax rates and thresholds change. The figures above are based on 2024/25 rates. Always check gov.uk for the latest information.

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