Free tools. No account required.
All 150 calculators, published guides and downloadable CSV resources are available without a subscription.
What is included?
Use the calculators, inspect their formulas, compare scenarios where available and download your results. Resources include editable worksheets and selected website embeds.
Is there an email gate?
No. Calculating and downloading do not require an email address, credit card or sign-up.
Do I need to accept analytics?
No. Choose essential-only privacy settings and use the same tools.