FREE QUOTE MARGIN CALCULATOR
Quote Profit Margin Calculator
Check how much gross profit is in a quote, compare it with your target margin, and see what happens if costs rise or the customer asks for a discount.
No account or email required · Built for subcontractors, solo trades and small trade teams
Setup
Set the currency and tax. Changing currency updates the display only — it does not convert exchange rates.
Quote cost & selling price
Use the costs directly connected to completing this job. Your internal labour rate should already recover the appropriate share of business overhead.
Target gross margin
Leave blank if you just want the current figures. Enter a target and the calculator works out the price you'd need to hit it. There is no single correct margin — it depends on the business, job type and risk.
Discount scenario
A discount comes out of the selling price, not the cost — so it usually comes straight off gross profit.
Cost increase scenario
Test the quote before the job does — supplier rises, extra labour time or a revised subcontractor price.
Break-even & discount headroom
This is an internal decision tool. It is not customer-facing discount guidance.
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Quote health
A profitable-looking quote can still be tight
A quote may be higher than the obvious material and labour cost and still leave less profit than expected.
Tax may have been treated as income. A discount may have been added without recalculating the margin. Supplier prices may have moved. Labour may take longer than the first allowance.
This calculator separates the job cost, selling price, tax, gross profit and gross margin so the result is clear before the quote is sent.
What you see
See more than a percentage
The calculator shows the full picture, then a plain-language health check.
Gross profit in pounds
Gross margin percentage
Equivalent markup
Break-even price
Price for a target margin
Discount impact
Cost increase impact
The quote health check then explains whether the result is below cost, below target, or currently meeting the target you entered — without labelling it good or bad against assumptions that are not yours.
Markup vs margin
Markup and margin are not the same
Markup is calculated from cost. Margin is calculated from the selling price. On a job that costs £8,000:
25% markup
Adds £2,000, giving a selling price of £10,000. The gross profit is £2,000 — but the gross margin is 20%, not 25%. Markup = profit ÷ cost.
20% gross margin
The same £2,000 profit on a £10,000 selling price is a 20% margin. Margin = profit ÷ selling price. The same quote always shows a higher markup than margin.
Work backwards
Work backwards from the margin you need
Enter a target margin and the calculator works out the selling price needed to hit it.
Job cost
£8,000
Target gross margin
20%
Calculation
£8,000 ÷ (1 − 20%)
Required selling price (ex tax)
£10,000
The calculator does not decide which margin is right — that depends on the business, job type, risk and cost structure.
Discounts
See what a discount actually removes
A discount comes out of the selling price, not the job cost — so the reduction usually comes directly from gross profit.
The calculator shows the revised profit and margin after a percentage or fixed discount, including whether the quote still meets the target you entered. A 10% discount rarely means a 10% profit cut — it is usually much larger.
Stress test
Test the quote before the job tests it
Supplier increases, extra labour time and revised subcontractor prices can quickly reduce the margin. Test what happens if:
Materials increase
Labour takes longer
A subcontractor revises their price
Other job costs are higher than expected
The result shows the revised margin and the selling price needed to retain the target.
Tax
Tax is not gross profit
Where VAT or another tax applies, the calculator separates it from the selling price before calculating profit.
Quote including 20% VAT
£12,000
Selling price excluding VAT
£10,000
VAT
£2,000
Gross profit is calculated from
£10,000
Gross profit must be calculated from the £10,000 net selling price, not the £12,000 total paid by the customer.
Stay connected
Check the margin before the quote moves forward
The calculator helps review one quote. FieldHive keeps the quote connected when it is accepted, turned into a job, changed on site and invoiced.
That makes it easier to compare the original estimate with what the work actually cost later — one connected record from enquiry to quote, job, invoice and payment.
Enquiry
Quote
Job
Invoice
Payment
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Who it is for
Who is this calculator for?
Subcontractors checking a fixed-price quote
Solo trades reviewing profit before sending
Small teams standardising quote approval
Office staff checking discount requests
Trade businesses testing supplier and labour increases
It is not for net-profit forecasting, corporation tax, accounting reports, enterprise estimating or contract valuation.
Related tools
Build and check the quote
Use these alongside the margin check.
Trade Job Pricing Calculator
Build the complete labour, material and job-cost structure before creating the customer quote.
Build the quote
Material Markup & Margin Calculator
Check the true material cost and selling value.
Price materials
True Labour Cost Calculator
Work out the internal hourly labour cost used in the quote.
Calculate labour cost
Estimated vs Actual Job Profit
Compare the original quote with what the completed job actually cost.
Compare the outcome
FAQ
Quote profit margin questions
Common questions about checking the profit in a quote.
Get started
Check the margin before you send the quote
See the gross profit, compare it with your target, and test a discount or a cost increase first. FieldHive then keeps the accepted quote connected through the job, invoice and payment.
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