Category

Budget calculator

UK tax, personal finance, and budget calculators built for clear decisions: take-home pay, side-hustle tax, IR35 comparisons, marriage allowance, and wedding budgets.

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UK Invoice Generator: VAT, Sole Trader and Late Payment Interest 2026/27

Use this UK invoice generator to build an invoice, check it carries everything GOV.UK asks for as a sole trader, limited company or VAT-registered business, and see the…

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Planning a wedding?

Wedding Budget Calculators

Use the wedding hub to plan the full budget, check venue affordability, calculate cost per guest, test guest-list changes, and work out monthly savings.

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Latest in Budget calculator

31 items available

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Subtopics

  • Budget7
  • Wedding7
  • Net Salary5
  • Payroll5
  • Salary5
  • Tax5
  • Guest Count5
  • Planning4
  • Catering2
  • Cost Per Guest2

How to choose the right calculator

Start with the goal

Pick the tool that matches the number you need today, then use related calculators for deeper planning.

Check the update date

Financial and tax calculators can change when thresholds or provider prices change.

Use estimates wisely

Calculators are designed for fast planning. For high-stakes decisions, confirm the result against official guidance.