Small Business Tools
Calculate costs, margins, and taxes for running a small business.
Practical Finance Calculators for Business Use
moneymargins provides a wide range of free, browser-based finance tools designed to help small businesses make informed financial decisions. These calculators save time and reduce errors in business financial planning.
All calculators run locally in your browser for privacy and speed, requiring no uploads or sign-ups.
Business Profitability and Fee Calculators
For small businesses, accurately calculating margins, VAT, and payment processing fees is essential to profitability. Our calculators simplify complex calculations in seconds.
- Profit Margin & Markup Calculator: Set prices correctly to achieve desired profit targets.
- VAT Calculator (UK): Apply correct UK VAT rates to products and services.
- PayPal Fee Calculators: Quickly estimate platform fees to protect your revenue.
- Stripe Fee Calculator: Estimate Stripe transaction fees to understand true net revenue per sale.
- Break-Even Calculator: Work out how many sales you need to cover costs and start making profit.
- Day Rate Calculator: Calculate your ideal freelance day rate based on income goals, expenses, and billable days.
- Sole Trader Tax Calculator: Estimate UK income tax and National Insurance based on self-employed earnings.
- Dividend vs Salary Calculator: Compare tax efficiency and take-home pay between dividends and salary structure.
- Invoice Late Payment Interest Calculator: Calculate statutory interest and compensation on overdue invoices.
Helpful guides for small business financial planning:
Who These Finance Tools Are For
These tools are useful for:
- Small business owners calculating margins, VAT, and fees
- Entrepreneurs optimising cash flow and profitability
- Anyone needing quick, accurate financial calculations without installing software
Each tool is designed for fast, private browser use. Select the calculator above and start optimising your finances instantly.