Post Judgment Interest Calculator
Calculate accumulated interest between judgment date and payment date
Calculate Post-Judgment Interest
The amount awarded by the court
Check Federal Reserve website for current rates
Date the court made the judgment
Date payment was made or expected
Post-Judgment Interest Calculation
Calculation Details
Payment Summary
Calculation Formula
Post-Judgment Interest = Judgment Amount × Interest Rate × Days ÷ 365
Example Calculation
Treasury Bill Case
Judgment Amount: $100,000
Interest Rate: 0.14% per annum
Delay Period: 28 days (4 weeks)
Formula: $100,000 × 0.14% × 28 ÷ 365
Result
Post-Judgment Interest: $107.40
Total Amount Due: $100,107.40
Federal Interest Rates
Important: Federal post-judgment interest rates are updated regularly. Always check the Federal Reserve website for current rates.
Rate Source: Federal Reserve Board
Update Frequency: Weekly or as needed
Application: Federal court judgments
Basis: 28 U.S.C. § 1961
Understanding Post-Judgment Interest
What is Post-Judgment Interest?
Post-judgment interest is compensation that must be paid by a debtor to a creditor for the time period between when a court judgment is entered and when the judgment is actually paid. This interest compensates the creditor for the delayed payment.
Why It Matters
- •Compensates for time value of money
- •Prevents debtors from benefiting from delays
- •Ensures creditors receive fair compensation
- •Required by federal statute (28 U.S.C. § 1961)
Calculation Method
Post-Judgment Interest Formula
Interest = Principal × Rate × Days ÷ 365
- Principal: Original judgment amount
- Rate: Federal post-judgment interest rate
- Days: Days between judgment and payment
- 365: Days in year (simple interest)
Types of Interest
Pre-Judgment Interest
Interest from the date of damage/loss to the judgment date
Post-Judgment Interest
Interest from the judgment date to the payment date
Statutory Interest
Interest rates set by federal or state statutes
Legal Requirements
Federal Courts: 28 U.S.C. § 1961 mandates post-judgment interest
Rate Setting: Federal Reserve Board determines rates
Calculation: Simple interest, not compound
Application: Automatic for federal judgments
State Courts: May have different rules and rates
Note: This calculator uses federal post-judgment interest methodology. State courts may have different calculation methods and rates.