Tools hub
Live business tools for everyday checks
Start with practical calculators for VAT, pricing, hourly rates, and percentage change. Each tool is supported by a plain-English guide so users can understand the logic as well as the answer.
Best place to start
Pick the route that matches the decision in front of you
The fastest way to use the site well is to start with the actual business question you need to answer. Choose the route below, then use the matching guide if you want the logic explained before relying on the result.
Need to check VAT?
Start with the VAT Calculator when you need to add VAT, remove VAT, or sense-check net and gross values quickly.
Open VAT CalculatorNeed to price properly?
Use the Profit Margin Calculator when you want to compare cost, selling price, profit, markup, and margin more clearly.
Open Profit Margin CalculatorNeed to set or review a rate?
Use the Freelance Hourly Rate Calculator when you want a more realistic rate based on income goals, overheads, and billable hours.
Open Hourly Rate CalculatorNeed to measure change?
Use the Percentage Change Calculator when you need to compare an old figure and a new figure for prices, costs, revenue, or reporting.
Open Percentage Change CalculatorAll live tools
Explore the full calculator set
Each tool is built around a practical UK-first business use case and linked to a guide that explains the numbers more clearly.
VAT
VAT Calculator
Work out VAT-inclusive and VAT-exclusive prices using common UK VAT rates.
Best for: Best for quick checks on gross and net pricing.
Pricing
Profit Margin Calculator
Compare cost, selling price, markup, and margin in one clear business tool.
Best for: Best for product pricing and quote sense-checking.
Rates
Freelance Hourly Rate Calculator
Estimate the hourly rate needed to cover income goals, overheads, and working time.
Best for: Best for freelancers and service businesses setting rates.
Business maths
Percentage Change Calculator
Calculate increases, decreases, and the percentage change between two values.
Best for: Best for checking price, cost, and revenue movement.
How to use the tools page well
Start with the problem
Begin with the actual check in front of you, such as VAT, pricing, rate-setting, or percentage movement.
Use the guide for context
Every card includes a guide link so users can understand the logic before relying on the output.
Use the calculator for speed
The calculators are there to make the arithmetic faster once the purpose of the number is clear.
Use alongside the tools
Guides for clarity, starter pack for repeat checks
The tools are built for speed. The guides explain the logic in plain English. The starter pack gives you a printable quick-reference resource for repeat pricing, VAT, rate, and business maths checks.