Start a business calculator
The idea's the fun part. This shows the money side: what it takes to launch, when you'd break even, and how much cash gets you there — including paying yourself.
Costs
£
£
Rent, software, insurance, accountant, phone — anything you pay whether you sell or not.
£
£
Sales
Gross margin
What you keep from each £1 of sales after the cost of the product or materials. Services are often high; retail is lower.
£
Monthly sales growth
Cash you'll need
£0
Break-even sales / month
£0
including paying yourself
Breaks even in
—
Your cash over the first 3 years
A simple planning model, not a forecast. It assumes steady growth, constant margin and costs, and ignores tax, VAT and payment terms. Speak to an accountant before committing money.