By Corcoran Smith Law Corp. · Updated 2026-09-21

Calculators

Two free calculators for California inheritance matters. One estimates your deadline to contest a trust under Probate Code section 16061.8, and the other returns the exact statutory probate fee under sections 10800 and 10810. Both run entirely in your own browser, with nothing transmitted.

Probate fee calculatorThe ordinary compensation schedule under §§10800 and 10810, compared with equity before fees, expenses and taxes Trust contest deadline calculatorEstimate your window under §16061.8 from the date the trustee’s notice was served on you

Why these two

They answer the two questions people ask first, and both have answers that are checkable rather than matters of opinion. What probate costs is fixed by statute, so a calculator can be exactly right. How long you have to contest a trust turns on a date and a rule, so a calculator can get you close enough to know whether to act this week or next month.

Nothing you enter leaves your browser

Both calculators run client-side. No figure, date or detail is transmitted to us or to anyone else, there is no account, and there is no email gate. That is deliberate: the value of an estate and the timing of a death are not information anyone should have to trade for an answer.

What a calculator cannot do

Neither tool sees your documents. The fee calculator does not know whether extraordinary fees will be allowed, whether assets pass outside probate, or whether a spousal petition removes the estate from administration entirely. The deadline calculator cannot tell whether the notice you received was valid — and an invalid notice may not have started any clock at all, which sometimes means a person who believes they are out of time is not.

The Probate Code sections behind this page

Each section links to its official text at the California Legislature’s own site. The full index of sections covers the rest of the Code.

Also cited above, explained elsewhere on this site

Probate Code section 10800: Statutory compensation of the personal representative. Where section 10800 is explained
Probate Code section 10810: Statutory compensation of the estate attorney. Where section 10810 is explained

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How do I get my inheritance?Identify your share, request an update and resolve delays.Find inheritance lawyer helpYour own rights in a will, trust or estate dispute.Find probate attorney helpSettling an estate: roles, local courts and fees.