Free tools

Work out a real number.

No account needed and nothing stored. Each one shows its working, because a number you cannot check is a number you cannot act on.

Why ours can be exact

The same engine that runs the product.

Most calculators are marketing artefacts built separately from the product and simplified until they are indicative only. These run on the model that already handles salary, dividends, rent and corporation tax together, which is where simple calculators go wrong.

An estimate is useful.

Your actual position is better.