11 calculators · 12 guides · 3 data studies
Income & tax
What you earn, what you keep, and every tax in between.
Calculators
Take-home pay calculator
What your salary actually pays after tax, NI, pension and student loan.
Student loan repayment calculator
What comes out of your payslip on every plan, and when the loan is written off.
Bonus tax calculator
What you keep of a bonus after tax, NI and student loan, including the 60% trap.
Salary sacrifice calculator
What giving up salary for pension really costs your take-home, with the NI bonus.
Self-employed tax calculator
Income tax, Class 4 NI and payments on account from your trading profit.
Dividend tax calculator
Salary plus dividends: what a limited company director actually keeps.
Capital gains tax calculator
CGT on shares or property, with the £3,000 allowance and band-by-band rates.
Tax code checker
What your tax code means, and whether HMRC is taking too much from your pay.
Maternity and paternity pay calculator
Your month-by-month income through parental leave, SMP and employer top-ups included.
Redundancy pay calculator
Your statutory entitlement, the tax-free £30,000, and what the package pays after tax.
Pay rise calculator
What a raise is really worth each month after tax, and the traps that shrink it.
Data studies
Guided journeys
Guides
- How is my salary actually taxed in the UK?
Personal allowance, income tax bands and National Insurance explained with real 2026/27 numbers, plus the 62% trap above £100,000.
- Should I pay off my student loan early?
Why a UK student loan behaves like a tax, not a debt: write-off dates per plan, who actually clears it, and what beats overpaying.
- Why is my bonus taxed so much?
Why a bonus is taxed at your highest rate, why the payslip looks even worse, the 60% trap, and how bonus sacrifice avoids it all.
- Is salary sacrifice worth it?
Why salary sacrifice beats a normal pension contribution, what £100 in your pot really costs, and the three catches to check.
- How do I get emergency tax back?
What the X, W1 and M1 codes mean, how much extra you are paying, and the two routes to getting the money back.
- Why is my tax code BR?
BR taxes every pound at 20% with no allowance. When that is right, when it is a payroll mistake, and how to fix it.
- Do you pay more tax on a second job?
There is no second-job tax rate. How allowances and codes actually split across jobs, and what your combined take-home really is.
- How much can you earn from a side hustle before paying tax?
The £1,000 trading allowance for Vinted, eBay and Etsy sellers, when platforms report you to HMRC, and when Self Assessment kicks in.
- Why has my tax code changed?
The five common triggers, from benefits in kind to underpayment clawbacks, and how to check the new code before it costs you months of wrong tax.
- Am I due a tax refund from HMRC?
The situations that create PAYE overpayments, how P800 letters work, and how to claim without paying a fee-charging agent.
- What happens to my tax when I earn over £100k?
The 60% trap, the childcare cliff, surprise Self Assessment, and how pension contributions claw your allowance back.
- Do I pay capital gains tax when I sell my house?
Not on your main home, thanks to Private Residence Relief. The exceptions that catch people, and the 60-day reporting deadline.