Operations and Productivity Tools
Free calculators built for UK businesses: pricing and margins, cash and runway, hiring costs, tax, VAT and energy. Every tool runs in your browser, uses current UK rates where they matter, and explains the maths behind the answer.
- Operations and Productivity Tools New
Business Health Check
A scored ten-question check of margin, cash, customers, pricing and dependence, with three priorities and the tools to act on them.
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Inventory Turnover Ratio Calculator
Stock turns per period and days inventory outstanding from COGS and average inventory.
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Meeting Cost Calculator
The salary cost of a meeting per session and per year, from attendees, pay and duration.
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Time Management Calculator
Productive versus non-productive time and its cost at your hourly rate.
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How these tools are built
Current UK rates
Tax, National Insurance, VAT and Capital Gains figures are the 2026/27 rates and were last reviewed on 2nd September 2026. The review date is printed on every calculator that depends on them.
Nothing is stored
Every calculation happens in your browser. We never see or keep the numbers you type. Share a result by copying the link, which carries your inputs in the address bar only.
The maths is shown
Each tool shows the formula, a worked example and the assumptions it makes, so you can check the result or reproduce it in your own spreadsheet.
UK tax rates and thresholds 2026/27
The figures behind the calculators, with what changed this year and the full tables. Updated automatically.
- Capital Gains Tax£3,000Annual exempt amountCapital Gains Tax rates and allowance 2026/27
- Corporation Tax19%Profits up to £50,000Corporation Tax rates and marginal relief 2026/27
- Dividend tax£500Dividend allowanceDividend tax rates and allowance 2026/27
- Income tax£12,570Personal allowanceIncome tax rates and bands 2026/27
- National Insurance8%Employee main rateNational Insurance rates and thresholds 2026/27
- Late payment interest11.75%Statutory rate nowStatutory late payment interest rate and compensation
- Student loans£29,385Plan 2 thresholdStudent loan repayment thresholds 2026/27
- VAT£90,000Registration thresholdVAT registration threshold and rates 2026/27