Pricing

There isn't one.

Free, forever. Every calculator and guide on PH Paymath is 100% free — no account, no paywall, no premium tier, no usage limits. The math runs in your browser; we never see your inputs.

How is the site funded?

Affiliate recommendations (clearly labeled). Where we suggest a financial product, we say so on the page, and we may earn a commission if you sign up — at zero cost to you. Commissions never influence any calculation or rate table; see our terms.
Display advertising may appear once traffic justifies it — standard, clearly separated from content.

What will never happen

No paid features hiding behind a subscription.
No selling data — there are no accounts and analytics are cookie-free (details).
No rates behind a login.

If a calculator ever stops being free, this page changes first.