The fast, reliable way to handle legal math. Save hours, cut errors, get it rightβevery time.
Get court-ready calculations in seconds. Trusted by 500+ attorneys. Covers all 50 states and federal rules.
β
Attorney-Tested Accuracy: Trusted by 500+ attorneys. Every calculator is reviewed and validated.
β
Jurisdiction-Specific Math: Covers all 50 states + federal rules. Always up-to-date with current laws.
β
Court-Ready Outputs: Instant PDF, Word, or CSV with clear formatting for filings.
βNo installation required
βSOC 2 compliant
Judgment Interest Calculator
Principal Amount:
Interest Rate:
Days Elapsed:
Total Amount:
$146,755.14
β Calculated per Cal. Code Civ. Proc. Β§ 685.010
Trusted by attorneys across all practice areas
See what legal professionals are saying about our calculators
How It Works
Get accurate, jurisdiction-specific legal calculations in three simple steps
Select Calculator
Choose from 40+ jurisdiction-aware calculators covering everything from judgment interest to court deadlines.
Enter Details
Input your case details with real-time validation and jurisdiction-specific rules automatically applied.
Get Court-Ready Results
Export to PDF, Word, or CSV with detailed explanations, citations, and court-ready formatting.
Professional Legal Calculators
Start with our free calculators β no account required. Get instant, accurate results with built-in explanations and jurisdiction-specific rules.
Instant Results
Get calculations in seconds, not hours of manual work
Court Ready
Professional outputs with explanations and citations
Jurisdiction Aware
Automatically applies the correct rules for your jurisdiction
Why DocketMath?
Built for lawyers who care about getting it right the first time
Simple, Transparent Pricing
Choose the plan that fits your practice. Start free, upgrade when you need more.
Pro
$29
per month
For busy practitioners and small firms
All calculators
150 tokens/month + 90-day rollover
Explain++ (tokenized)
Batch/CSV runs (tokenized)
Watermark-free exports
Basic folders/projects
Share link (view-only)
CSV export (manual integration)
Priority email support
Token Bundles
Tokens are used for premium calculators, Explain++, batch runs, and multi-jurisdiction calculations. Exports do not use tokens.
All plans include a 14-day free trial. No credit card required.
Exports do not use tokens. β’ Pro token rollover: 90 days. β’ Unlimited removes token usage and counters in the UI.
Secure
Bank-level encryption
Compliant
GDPR & SOC2
Reliable
99.9% uptime