Editorial Policy

How we create content

• Every formula is implemented from published amortization mathematics and checked against reference schedules.
• Guides are written in plain English and avoid jargon or scare tactics.
• We state assumptions openly — what a calculator includes and what it leaves out.

Review and updates

Pages are reviewed when rates, regulations or reader feedback make an update necessary. Each legal page shows its last-updated date.

Corrections

If we get something wrong, we fix it and note the change where it matters. Report an error through our contact page.

Advertising independence

Advertising and affiliate partners have no influence over our calculators, rankings or recommendations. Sponsored placements, where they exist, are labelled. See our Disclaimer.