Calculate per-diem and accrued judgment interest
Enter the judgment principal, annual rate, interest start date and calculation date. The tool reports the daily interest amount, elapsed days, accrued simple interest and an estimated total after entered fees and credits.
Rates and payment allocation vary
Judgment interest can depend on jurisdiction, judgment date, contract terms and court orders. Partial payments can also require date-specific allocation between interest and principal. This version is intentionally a simple-interest checking tool.