Free DOT compliance tools & calculators
Deadline checkers, tax math and audit checklists we built for our own clients — free for anyone to use. No signup, no email wall, nothing stored.
MCS-150 Due Date Checker
Enter your USDOT number and get your exact biennial update deadline.
Open toolIFTA Quarterly Tax Calculator
Miles and fuel by jurisdiction in — net IFTA tax due out, with a downloadable worksheet.
Open toolCSA / BASIC Score Checker
Compare your SMS percentiles to FMCSA intervention thresholds, color-coded.
Open toolRandom Drug Test Selection Generator
Paste your driver roster, get a defensible random quarterly pull and selection notice.
Open toolDQ File Checklist Builder
Build a personalized driver qualification file checklist by driver type.
Open toolHOS 34-Hour Restart Calculator
Enter when you went off duty — see exactly when your 34-hour restart is complete.
Open toolFederal Bridge Formula & Axle Weight Calculator
Axle group spacing and count in — maximum legal weight out, per 23 CFR 658.17.
Open toolNew Entrant Safety Audit Prep Checklist
Everything the FMCSA auditor will ask a brand-new carrier for, in one tracked checklist.
Open toolWant the deadlines handled instead of tracked?
Talk to a real DOT compliance specialist. No call centers, no upsells — just 40+ years of experience helping carriers like yours.