Small Business Calculators & Tools UK
The sums a small business does every week. Add or remove VAT, price a job with a sensible margin, check your break-even point, or produce an invoice or quote as a PDF. There's also a sole trader versus limited company comparison for anyone deciding whether to incorporate.
VAT Calculator
Add or remove VAT from prices using standard UK rates. Perfect for businesses and invoicing.
Profit Margin Calculator
Calculate gross and net profit margins, convert between markup and margin, and find break-even prices.
Invoice Generator
Create professional invoices with your business details, line items, and VAT. Export to PDF.
Quote Generator
Create professional quotes with line items, VAT calculations, and PDF export.
Corporation Tax Calculator
Calculate UK Corporation Tax on company profits, including the 19% small profits rate, 25% main rate, and marginal relief.
Sole Trader vs Limited Company Calculator
Compare your 2026/27 take-home pay as a sole trader or a limited company director, including salary, dividends, corporation tax and National Insurance.
Break-Even Calculator
Calculate your break-even point in units and revenue with visualisation charts.
Business Loan Calculator
Calculate monthly repayments, total interest, and view amortisation schedules for business loans.
Business Mileage Calculator
Calculate HMRC-approved mileage allowances for business travel.
Cash Flow Forecast
Create 12-month cash flow projections with income and expense categories. Export to CSV.
Hourly Rate Calculator
Calculate your freelance hourly rate based on desired income, expenses, and billable hours.
Payment Terms Calculator
Calculate invoice due dates and UK statutory late payment interest charges.
Privacy Policy Generator
Generate a free GDPR and UK-compliant privacy policy for your website. Download as HTML, TXT, or DOCX.
R&D Tax Credit Calculator
Calculate R&D tax credits for UK companies. Includes SME relief, RDEC, and merged scheme rates.
Terms & Conditions Generator
Generate UK-compliant terms and conditions for your website or business. Customise for e-commerce, SaaS, and services.
Timesheet Calculator
Free weekly timesheet / time card calculator. Total hours, breaks, overtime and pay – supports overnight shifts and rounding.
VAT Return Calculator
Calculate VAT Return boxes 1-9 for Making Tax Digital. Supports standard and flat rate schemes.