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Markup Calculator

Calculate the selling price and profit margin from cost and markup percentage. Find the right markup to hit your target profit on any product.

Last reviewed 15 August 2026Source: HMRC — Running a business

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Rates & sources

UK company rates (Corporation Tax, VAT, payroll NI) as published by HMRC and Companies House.

Source: HMRC — Running a business — check the linked guidance and any live quote before acting.

When to use this calculator

  • Before pricing a job, setting margin targets or reviewing hiring costs.
  • When you want to test sensitivity around volume, tax, markup or overheads.
  • When you need a practical estimate before committing to a budget or proposal.
  • When you are modelling break-even volume as costs or prices change.

A realistic UK planning example

Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.

A realistic UK planning example
InputValue
Cost Price (£)£0.30
Markup (%)30

After entering these figures, focus on result first and then rerun the tool with a more cautious assumption.

How to read your results

Result

The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.

Method & assumptionsAuthoritative sources

Markup is calculated as: (Selling Price − Cost) ÷ Cost × 100. To find a selling price from a desired markup, multiply the cost by (1 + markup rate). This is distinct from margin, which divides profit by selling price. The calculator lets you work in either direction: enter a cost and desired markup to find your selling price, or enter cost and selling price to find the implied markup.

UK businesses should work on VAT-exclusive figures wherever possible, as VAT collected is not part of your trading profit. The calculator does not include overheads in the cost figure — if you want to price for full-cost recovery, you will need to allocate a share of fixed costs to each unit before entering the cost. For businesses subject to Making Tax Digital, your accounting software should track margins at line-item level to support accurate reporting.

Common mistakes

  • !Using optimistic assumptions without testing a more cautious scenario.
  • !Using revenue in place of gross profit when calculating margin.
  • !Treating the result as a final quote instead of a planning estimate.
  • !Forgetting employer on-costs when modelling the true cost of a hire.

What to do next

  • Try at least one more scenario so you can compare a realistic range.
  • Use the related calculators below to cross-check the decision from another angle.
  • Write down the key outputs from your best scenarios before you decide.
  • If the result surprises you, change one input at a time to isolate the driver.

Frequently asked

Markup is the percentage added to cost price to get the selling price, while margin is the percentage of the selling price that is profit. A 50% markup equals a 33.3% margin.

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