Legal Deadline and Cost Calculators

Free calculators for California disputes: filing deadlines, small claims fees, rent increase limits, and a finder for the right kind of letter. Penalty and interest estimators also sit inside the final paycheck, security deposit and unpaid invoice guides. These 4 guides are checked against official California and federal sources.

Key facts card: Formula; Base rent; CPI period; Notice

Tools

California Rent Increase Calculator: Check the Statewide Cap

Check a proposed rent increase against California's 5% plus CPI cap, find the right CPI figure, and see who is exempt.

Updated October 18, 2026 · 5 min read

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Key facts card: Fee by amount; Frequent filers; Claim limits; Claims over $2,500

Tools

California Small Claims Filing Fee Calculator and Cost Guide

Work out your California small claims fee, then see the other costs: service, fee waivers, and what a judgment can include.

Updated October 18, 2026 · 5 min read

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Key facts card: Written contract; Oral contract or injury; Property damage or fraud; Public entity claim

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Statute of Limitations Calculator for California Civil Claims

Pick a claim type and a start date to estimate your California filing deadline, then check the rules that can move it.

Updated October 18, 2026 · 5 min read

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Key facts card: Want money or a repair; Want conduct to stop; Disagree with a bill or claim; Need your records

Tools

Which Legal Letter Do I Need? Match Your Problem to the Right Letter

Match your situation to the right legal letter: demand, cease and desist, dispute, records request or a notice the law requires.

Updated October 18, 2026 · 5 min read

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Join the email list before you send a legal letter

Get practical letter checklists, document prompts, and reminders from Talk to My Lawyer before you start a demand letter, cease and desist letter, or dispute letter written and sent by an attorney.