Know your costs. Price the job. See what an extra day does to your earnings.
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You're using made-up example figures. Replace them with your own before quoting.
START WITH YOUR BUSINESS
What does your day need to earn?
Set this up once. Your figures carry through to every job.
£
Your own pay before Income Tax and National Insurance. Business profit is added separately.
Only days customers pay for.
Used to convert hours into days.
Help me work out my billable days
Start with your working days, then remove holidays, admin, quoting, sickness and gaps between jobs. Count each day only once.
Keep the business running
Include costs you pay even when you're not on a job. Blank costs count as £0.
%
20% is an editable starting example, not a recommended margin. This is a share of the selling price, after your pay and business costs.
USE YOUR SAVED RATE
Put a price on the job.
For one person doing the work. Include your own time, parts and job-specific costs.
Half days and fractions are welcome.
£
Not VAT registered? Include any VAT you paid in your costs.
£
Parking, waste, tool hire or extra travel. Only add costs not already in your annual figures.
Buffer for the unknowns
%
A reserve for unexpected costs, not guaranteed profit.
£
Leave blank to use the calculated price. Enter a different price to see what it leaves you.
Choose the rate that applies. Check HMRC guidance ↗. This tool does not assess eligibility or cover domestic reverse charge.
THE OVERRUN CHECK
What if it takes another day?
The same agreed price. One more full day of your time and business costs.
£
Extra parts, parking or hire. Your extra day of pay and overheads is already included.
On the planned time—Surplus after your pay target & costs
→
With one extra day—At the same customer price
Add your business and job figures to see the difference.
Extra day consumes—
Pay available per day: planned—
Pay available per day: with delay—
Delayed surplus if all contingency is spent—
What does a negative number mean?
The price no longer covers your full pay target plus the allocated business costs. It does not necessarily mean a cash loss. Pay available includes any remaining surplus and is before personal tax.
READY FOR THE CUSTOMER
A clear quote. Your numbers stay private.
Only the scope, selling price and terms appear on the quote. Customer details are not saved by this tool.
Your business
Customer & job
Your setup, ready next time.
Save your business settings in this browser. Job and customer details stay unsaved.
Customer copy · check before sending
On your phone, use the print/share options to save a PDF. Turn off browser headers and footers for a cleaner copy.
