How does the LumixAI Pricing Calculator work?

You enter your product cost, target margin, and overheads. The tool calculates your minimum viable price, break-even volume, contribution margin, and the profit impact of different pricing scenarios.

What is contribution margin and how is it calculated?

Contribution margin is revenue minus variable costs, expressed as a percentage of revenue. It tells you how much of each sale is available to cover fixed costs and generate profit. Formula: (Revenue - Variable costs) / Revenue x 100.

Pricing Tool

Know the right price before margin disappears.

The LumixAI Pricing Calculator helps SME owners see what they should charge, where they are underpricing, and what discounting is doing to profit.

A practical pricing workbook for owner-managed businesses

Excel pricing calculator for UK SME owners. Understand minimum viable pricing, profit leakage, target margin pricing, and discount impact with a practical one-off workbook.

Current margin % per product at a glance

Required price to hit target margin

Profit leakage from underpricing

Discount impact calculator

Scenario testing for pricing decisions

Buy & receive by email — £9.99 → See all paid tools →

Use these supporting pages to compare products, move into the full AI report, or step up to the Command Centre.

Full AI Report →Command Centre →Free tools →

Sample output

What you get when you run the analysis

Below is a real example using dummy business data. Enter your own figures to see your actual numbers.

lumixai.co.uk/pricing-calculator

Your inputs

Selling price (exc. VAT)

£49.99

Variable cost per unit

£18.50

Monthly units sold

800

Monthly fixed costs

£12,000

Calculate margin & break-even →

Instant results

● Analysis complete

£31.49

Contribution margin/unit

63.0%

Contribution margin %

£13,192

Monthly net profit

381 units

Break-even/month

£158,304

Annual profit

Strong

Commercial rating

Net profit margin is strong — 26.4% after fixed costs. Break-even of 381 units leaves a safety margin of 110% above break-even at current volume. A 10% discount requires 47% more volume to maintain the same profit.

Buy this tool — £14.99 →

One-off purchase · Delivered by email · Works in Excel 2016+

We use cookies to keep the site working and understand how it's used. We don't sell your data or use advertising cookies. Privacy policy · Terms

Know the right price before margin disappears.

A practical pricing workbook for owner-managed businesses

Related pages

What you get when you run the analysis