Updated for 2025/26
£12,991 vs £21,100 Salary Comparison
Compare a £12,991 salary against £21,100. Find out exactly how much more (or less) you will take home after tax.
Gross Difference
+£8,109
per year
Take Home Extra
+£486.54
per month
You Keep
72%
of the raise
5-Year Gain
+£29,192
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
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Comparison Results
| Metric | £12,991 | £21,100 | Difference |
|---|---|---|---|
| Gross Salary | £12,991 | £21,100 | £8,109 |
| Income Tax | £84 | £1,706 | £1,622 |
| National Insurance | £34 | £682 | £649 |
| Pension | £0 | £0 | £0 |
| Take-Home Pay (Yearly) | £12,873 | £18,712 | £5,838 |
| Take-Home (Monthly) | £1,073 | £1,559 | £487 |
| Effective Tax Rate | 0.9% | 11.3% | 10.4% |
£12,991
Gross£12,991
Take-Home£12,873
You Keep99.1%
£21,100
Gross£21,100
Take-Home£18,712
You Keep88.7%
Tax Band Analysis
Understanding where your money goes
£12,991
Tax BandBasic Rate
Marginal Rate20%
Income Tax£84.20
National Insurance£33.68
Take Home (Monthly)£1,072.76
£21,100
Tax BandBasic Rate
Marginal Rate20%
Income Tax£1,706.00
National Insurance£682.40
Take Home (Monthly)£1,559.30
What £486.54 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
Savings Boost
£5,838.48/year extra into savings or investments
Full Comparison: £12,991 vs £21,100
£12,991
- Gross Pay£12,991.00
- Take Home (Year)£12,873.12
- Take Home (Month)£1,072.76
- Effective Tax Rate0.9%
£21,100
- Gross Pay£21,100.00
- Take Home (Year)£18,711.60
- Take Home (Month)£1,559.30
- Effective Tax Rate11.3%
The difference in take-home pay is £5,838 per year, which works out to £486.54 per month.