Employer Cost Calculator
See the total cost to your employer vs what you actually take home. Your employer pays 15% NI on top of your salary — this calculator reveals the full picture for salary negotiation.
Total cost to employer
£46,150/yr
£
£10k£500k
%
0%20%
%
0%40%
Total cost to employer
£46,150/yr
£3,846/mo — for you to take home £30,880/yr
You take home
£30,880/yr
£2,573/mo
Efficiency
66.91%
of employer spend reaches you
Where every pound goes
Take home
Tax
Emp NI
Take home Income tax Your NI Your pension Employer NI Employer pension
Full cost breakdown
Gross salary£40,000Income tax-£5,086Employee NI (8%/2%)-£2,034Your pension (5%)-£2,000You take home£30,880Employer NI (15%)+£4,950Employer pension (3%)+£1,200Total cost to employer£46,150
Employer overhead
Employer NI£4,950/yrEmployer pension£1,200/yrTotal overhead£6,150/yr (15.38% of gross)
On top of your £40,000 salary, your employer pays an extra £6,150 in NI and pension contributions.
The real picture
Your employer pays £46,150/yr for you to take home £30,880/yr. That's 66.91% efficiency — £15,270/yr goes to tax, NI, and pension.
Monthly breakdown
| Annual | Monthly | |
|---|---|---|
| Total employer cost | £46,150 | £3,846 |
| Gross salary | £40,000 | £3,333 |
| You take home | £30,880 | £2,573 |