Business Calculators
Free calculators for UK businesses and sole traders. VAT, profit margins, break-even analysis, ROI, depreciation, hourly rates, and invoice totals — all instant, no sign-up required.
VAT Calculator
Add or remove VAT at standard (20%), reduced (5%), or zero rates. Instant gross and net.
Profit Margin Calculator
Calculate gross and net profit margin from revenue and cost figures.
Markup Calculator
Find selling price from cost and markup %, or calculate markup % from prices.
Break-Even Calculator
Find your break-even point in units and revenue from fixed costs, variable costs, and price.
ROI Calculator
Calculate return on investment with annualised ROI and payback period.
Depreciation Calculator
Straight-line or reducing balance asset depreciation with annual schedule.
Hourly to Salary Calculator
Convert hourly rate to annual salary, or annual salary to hourly rate.
Invoice Calculator
Calculate invoice totals with VAT, discounts, and statutory late payment interest.