Last updated: May 2026
Overview
If a proposed rent increase looks wrong, organize your contract, notices, current rent, proposed rent, rental index result, and all written communication.
Example
A clean file of evidence is better than angry screenshots. Annoying, but useful.
Checklist
- Use realistic numbers, not optimistic fantasy math.
- Keep screenshots or records of inputs and results.
- Check official sources before making legal or financial decisions.
- Use the calculator as a quick filter, not the final authority.
FAQ
Is this calculator free?
Yes. It is free and does not require signup.
Is this official advice?
No. This is an educational estimate only.
What should I do next?
Use the calculator, compare the result with official sources, and save your numbers.