Blog

Product updates, guides, and engineering notes from the team.

How to Calculate IFTA Fuel Tax in 10 Minutes (Step-by-Step Guide)

Learn how to calculate IFTA fuel tax step by step. Master the 4-step formula, average fleet MPG, jurisdictional fuel consumption, and an end-to-end 3-state calculation example.

Sep 30, 2026IFTADesk Editorial Team

IFTA Penalty Calculator: Estimate Late Filing Penalties and Interest (Free Formula)

Estimate your IFTA penalty in minutes with the official formula: greater of $50 or 10% of tax due, plus 0.4167% monthly interest. Three worked examples included, plus whether an IFTA extension is possible.

Sep 29, 2026IFTADesk Editorial Team

IFTA Due Dates 2026: Q3 Filing Deadline & Weekend Extension Rules

Official 2026 IFTA quarterly filing schedule, critical Q3 weekend extension to November 2 under IFTA Article R960, postmark rules, and late filing penalties.

Sep 24, 2026IFTADesk Editorial Team

What is IFTA? The Complete Interstate Fuel Tax Agreement Guide for Truckers

What is IFTA and how does it work? Learn who needs an IFTA license, how quarterly fuel taxes are calculated across 58 jurisdictions, IFTA vs IRP, and compliance tips.

Sep 10, 2026IFTADesk Editorial Team

How to File IFTA: A Step-by-Step Quarterly Guide for Truckers (2026)

Learn how to file IFTA quarterly tax returns correctly. Get the complete preparation checklist, filing deadlines, reporting methods, and audit-prevention tips.

Sep 10, 2026IFTADesk Editorial Team

IFTA Audit Guide: Triggers, Audit Process, 4.0 MPG Penalties, and Record Retention (P510)

Selected for an IFTA audit? Learn about statutory audit triggers, the 5 audit stages, the severe 4.0 MPG penalty rule, 4-year P510 retention rules, and post-audit appeals.

Sep 10, 2026IFTADesk Editorial Team

Does ELD File IFTA? A Complete Guide to IFTA Reporting with ELDs

Learn if your ELD automatically files IFTA, what data it tracks, and how to use ELD data for quarterly IFTA reporting. Compare top ELDs.

Sep 10, 2026IFTADesk Editorial Team

Top 5 TruckLogics Alternatives for Owner-Operators (2026)

Looking for TruckLogics alternatives? We compare the best trucking software for owner-operators, focusing on IFTA reporting, dispatch, and cost.

Sep 10, 2026IFTADesk Editorial Team

Top TruckingOffice Alternatives in 2026: TMS & IFTA Software

Looking for TruckingOffice alternatives? Compare top trucking software like TruckLogics, Motive, and IFTADesk for owner-operators and small fleets.

Sep 10, 2026IFTADesk Editorial Team

Best IFTA Software in 2026: Top 6 Tools for Owner-Operators & Fleets

Compare the best IFTA software for owner-operators and fleets in 2026. Review features, pricing, ELD integrations, and pros and cons to streamline quarterly fuel tax.

Sep 10, 2026IFTADesk Editorial Team

How to Track Mileage for IFTA: The Complete Step-by-Step Guide

Learn how to track mileage for IFTA compliance across state lines. Compare paper logs, ELD, and GPS apps, avoid 4.0 MPG audit penalties, and simplify reporting.

Sep 10, 2026IFTADesk Editorial Team

Best IFTA Software for Owner Operators in 2026 (Compared)

Compare the best IFTA software for owner operators in 2026. Review pricing, GPS mileage tracking, and audit-readiness across 6 leading tools.

Sep 10, 2026IFTADesk Editorial Team

6 Best ExpressIFTA Alternatives in 2026 (Compared & Tested)

Looking for the best ExpressIFTA alternatives? We tested and compared 6 top IFTA software solutions for owner-operators and fleets in 2026.

Sep 10, 2026IFTADesk Editorial Team

IFTA Late Filing Penalty: Exact Fines, Interest Calculations, and Delinquent Return Guide

Missed your quarterly IFTA fuel tax deadline? Learn the exact IFTA late filing penalty rules ($50 or 10%), interest rates, and follow a 5-step recovery guide.

Sep 10, 2026IFTADesk Editorial Team

How to Calculate Fuel Surcharge: A Complete Step-by-Step Guide for Truckers and Shippers

Master how to calculate fuel surcharge using per-mile and percentage formulas. Learn EIA diesel price benchmarks, calculation steps, and fuel purchasing tactics.

Sep 10, 2026IFTADesk Editorial Team