Skip to main content

Search Calculators

Search for a calculator to use

Updated for 2025/26

£12,840 vs £18,155 Salary Comparison

Compare a £12,840 salary against £18,155. Find out exactly how much more (or less) you will take home after tax.

Gross Difference
+£5,315
per year
Take Home Extra
+£318.90
per month
You Keep
72%
of the raise
5-Year Gain
+£19,134
cumulative

Entry-Level Career Progression

This comparison is typical for early career moves or first promotions. At this salary range, most of your income is taxed at the basic rate (20%), so you keep a higher percentage of any raise.

  • Negotiate hard - you keep ~70-80% of any increase at this level
  • Consider employers offering good pension matching (often worth more than small salary differences)
  • Look for roles with clear progression paths to higher bands
  • Factor in benefits like free lunches, gym memberships, or transport subsidies

Compare Salaries

Enter multiple salaries to compare take-home pay for 2025/26

£
£

Comparison Results

Metric£12,840£18,155Difference
Gross Salary£12,840£18,155£5,315
Income Tax£54£1,117£1,063
National Insurance£22£447£425
Pension£0£0£0
Take-Home Pay (Yearly)
£12,764
£16,591
£3,827
Take-Home (Monthly)£1,064£1,383£319
Effective Tax Rate0.6%8.6%8.0%

£12,840

Gross£12,840
Take-Home£12,764
You Keep99.4%

£18,155

Gross£18,155
Take-Home£16,591
You Keep91.4%

Tax Band Analysis

Understanding where your money goes

£12,840

Tax BandBasic Rate
Marginal Rate20%
Income Tax£54.00
National Insurance£21.60
Take Home (Monthly)£1,063.70

£18,155

Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,117.00
National Insurance£446.80
Take Home (Monthly)£1,382.60

What £318.90 Extra Buys You

Real-world value of the take-home difference

Monthly Subscriptions
Netflix, Spotify, gym - £100.00/mo
Weekend Breaks
1-2 UK getaways per month at this budget

Full Comparison: £12,840 vs £18,155

£12,840

  • Gross Pay£12,840.00
  • Take Home (Year)£12,764.40
  • Take Home (Month)£1,063.70
  • Effective Tax Rate0.6%

£18,155

  • Gross Pay£18,155.00
  • Take Home (Year)£16,591.20
  • Take Home (Month)£1,382.60
  • Effective Tax Rate8.6%

The difference in take-home pay is £3,827 per year, which works out to £318.90 per month.