Free tool for UK tradespeople · No signup

What will you make
on this job?

Check a quote’s profit or work out a price from your target margin. Include the travel, quoting and paperwork that happen around the work on site.

All figures are in pounds, excluding VAT. Your figures stay in this browser tab; this tool does not save or send them.

The total you would charge the customer, before VAT.
1. Include your own time

Use a cost or pay allowance for your time, not your customer charge-out rate. Business profit is calculated after this allowance.

Use the same hourly basis for the three time categories below.
Your own on-site hours only.
Keep these hours separate from time on site.
Your messages, quoting, invoicing and paperwork time.
2. Add the rest of the job costs

Enter 0 for a cost you are deliberately excluding. Add each cost once. Use figures on a consistent ex-VAT basis; include VAT you cannot recover as part of your costs.

Purchase cost, not the price you charge the customer.
Total cost for other people, including relevant employment costs. Exclude your time above.
For example fuel, parking, hire, skips and permits.
This job’s share of fixed costs, only if not already included elsewhere.

Enter your figures, then calculate. Results are planning estimates, not a tax or take-home pay calculation.

How to calculate job profit

Job profit = selling price − total job costs. Your time is a cost too: include the on-site work, travel and admin. Use actual costs for a completed job, or estimates when preparing a quote.

Margin = profit ÷ selling price × 100. To calculate a price for a target margin, divide the total cost by (1 − margin ÷ 100). For example, a 25% margin requires dividing cost by 0.75, not adding 25%.

This calculator rounds each labour category to the nearest penny. A target quote is rounded up to the next penny so it meets the entered margin.

A fictional £800 quote

Imagine 8 hours on site, 1 hour travelling and 2 hours on admin, valued at £25 an hour: £275 for your time. Add £200 materials, £25 other costs and £50 overhead. The entered job cost is £550.

At an £800 selling price, estimated profit is £250 and margin is 31.25%. If costs rise by 10% to £605, profit falls to £195. These are illustrative figures, not trade averages or a recommended price.

Keep the estimate useful

  • Keep margin and markup separate. Adding 25% to £550 produces £687.50: a 20% margin, not 25%.
  • Count costs once. If an hourly rate already includes overheads, do not allocate those overheads again.
  • Include all the people. Add your own hours above and other workers’ total costs separately.
  • Check what is missing. Review visits, collection trips, waste, approved extras and paperwork can all affect the final result.
  • Use a consistent VAT basis. Sales are before VAT. Costs should include any VAT you cannot recover. This tool does not calculate VAT, CIS, National Insurance or tax liability.

Which part takes up your evening?

Pricing is easier when customer details, agreed work and job costs are together. If gathering messages, preparing quotes or assembling invoices takes the time, start by mapping that handover.

Explore three illustrative admin workflows, keep one customer record, or use our quote follow-up templates.

Contact us

Tell us what you need help with. We’ll reply by email to discuss the next step.

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Or email support@mmd-solutions.co.uk

Help shape MMD

Start with a free 15-minute conversation about the admin taking up your evenings. If there is a fit, choose Callback alone or add enquiry, quote and payment follow-up.

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