Working Two Jobs?
Here’s How You’re Taxed
Having two jobs does not always mean you pay more tax. But the tax system was built for one employer, and this can cause problems. This guide explains income tax, National Insurance, student loans, pensions, and what to do if something goes wrong.
Two Job Take-Home Calculator
£
Gets full Personal Allowance (1257L)
£
Tax code BR — all income taxed at 20%
Job 1 · 1257L
£25,119.60
/ year
Gross£30,000.00
Tax-free (PA)£12,570.00
Taxable income£17,430.00
Income tax£3,486.00
NI£1,394.40
Effective rate16.3%
Marginal rate20%
Job 2 · BR
£8,000.00
/ year
Gross£10,000.00
Tax-free (PA)£0
Taxable income£10,000.00
Income tax£2,000.00
NI£0.00
Effective rate20.0%
Marginal rate20%
Combined
£33,119.60
/ year
Gross£40,000.00
Tax-free (PA)£12,570.00
Taxable income£27,430.00
PAYE tax collected£5,486.00
Tax actually owed£5,486.00
NI (combined)£1,394.40
True eff. rate19.2%
Where it goes.
Per £40,000 gross · 2026/27
Line itemShare of grossYearlyMonthlyWeeklyDailyHourly (37.5 hrs)% of gross
Gross salary
£40,000.00
£3,333.33
£769.23
£153.85
£20.51
100.0%
Personal Allowance
Tax-free
£12,570.00
£1,047.50
£241.73
£48.35
£6.45
31.4%
Taxable income
After personal allowance
£27,430.00
£2,285.83
£527.50
£105.50
£14.07
68.6%
Income tax
Collected via PAYE across both jobs
−£5,486.00
−£457.17
−£105.50
−£21.10
−£2.81
13.7%
National Insurance
−£1,394.40
−£116.20
−£26.82
−£5.36
−£0.72
3.5%
Take-home pay
What lands in your account
£33,119.60
£2,759.97
£636.92
£127.38
£16.98
82.8%