legal interest calculator california

California Legal Interest

Legal Interest Calculator California

Calculate a simple California legal interest estimate with your own amount, dates, rate, payments, and optional manual adjustment.

Principal amount

Unpaid judgment, debt, damages, or amount owed.

Start date Date interest starts.

End date Use today or the payoff date.

Annual interest rate

Type any custom rate. Common examples are 10%, 7%, or 5%.

Payments or credits

Optional amount already paid or credited.

Manual adjustment

Optional: add a positive or negative custom amount if your case needs a manual change.

Interest label This only changes the result wording. Your typed rate controls the math.

Estimated total balance $0.00

Interest summary

Principal amount$0.00

Interest accrued$0.00

Payments / credits$0.00

Manual adjustment$0.00

Calculation details

Days counted0

Daily interest$0.00/day

Annual rate used10%

Interest labelPost-judgment interest

Enter your details above to calculate the estimate in real time.

Disclaimer: This calculator provides a simple interest estimate for general information only. California interest rules can vary by judgment type, contract terms, debtor type, renewal date, medical-expense claims, and court order. It is not legal advice.