ABOUT SPHERECRAFT

Useful tools.
Less unnecessary complexity.

SphereCraft creates practical tools that make everyday calculations easier to understand.

Why a margin calculator?

A selling price only tells part of the story. We built this tool to put profit, margin and markup beside one another, so it is easier to see what a sale leaves after its costs.

The main calculation needs just two numbers. Optional cost fields help when you want to include postage, packaging or selling fees. A second mode works backwards from your target margin to a selling price.

Our approach

We aim to explain what a result means, show the formulas behind it and make the limitations clear. These tools are free to use, work without an account and do not send your calculator inputs to SphereCraft.

The pricing guides use worked examples to help you check your own figures. If a calculation looks wrong or an explanation could be clearer, please let us know.

Who runs this website?

This website is operated by SphereCraft Ltd, a company registered in England and Wales, company number 15502724. Contact details are on our contact page.

How the tools are funded

The calculator is currently free and has no advertising tags or analytics trackers. We may introduce advertising to support the tools. If we do, our privacy information and consent controls will explain the services used.