90 free tools · GOV.UK verified
Every UK money, property & visa decision, worked out clearly.
One trusted desk for the numbers that run your life in the UK. Type what you need to work out, or browse the directory below.
verified weekly · no sign-up · runs in your browser
Sourced from gov.uk
Every rate, fee and threshold traced to HMRC, ONS or the Home Office.
Nothing stored
Calculations run entirely in your browser, no account, no tracking by tool.
Checked weekly
Figures re-audited against official publications as they change.
Directory