Free Calculators Built for Real-World Decisions
Hours of service, IFTA figures, per-mile economics, grades and sleep timing — worked out in your browser, with the formula and the source shown every time.
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The calculators people reach for most, across every category.
Grade Calculator
Add your assignments to see your current grade, the letter, and what the final needs to be.
Open calculator → SleepSleep Calculator
Work backwards from your alarm to bedtimes that land between sleep cycles.
Open calculator → Trucking CalculatorsSleeper Berth Calculator
Work out how two rest periods measure against the FMCSA sleeper berth provision, and where your driving window restarts.
Open calculator → Trucking CalculatorsSplit Sleeper Berth Calculator
Check whether any two rest periods form a qualifying split under the FMCSA sleeper berth provision.
Open calculator → Trucking CalculatorsHours of Service Calculator
See how much driving time is left against the driving limit, the 14-hour window and your cycle.
Open calculator → Trucking CalculatorsIFTA Fuel Tax Calculator
Work out your quarterly IFTA figures — taxable gallons and net tax by jurisdiction.
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Every category has its own landing page with all of its calculators.
Grade Calculators
Work out your current grade, a weighted average, a percentage, the score you need on a final, or your GPA.
Explore category → 1 calculatorsSleep
Bedtime and wake-time planning based on sleep-cycle estimates.
Explore category → 10 calculatorsTrucking Calculators
Practical online calculators for truck drivers, owner-operators and trucking professionals — hours of service planning, sleeper berth splits, IFTA figures and per-mile…
Explore category →How the numbers work
Short, sourced explanations of the rules behind the calculators.
Hours of Service: the four limits that matter
The 11-hour, 14-hour, 30-minute and 60/70-hour rules, explained in plain terms with the official source.
Read the guide → Trucking CalculatorsHow the split sleeper berth provision works
Why 7+3 and 8+2 qualify, why 6+4 does not, and what happens to your driving window.
Read the guide → Trucking CalculatorsWorking out your quarterly IFTA figures
Fleet MPG, taxable gallons, and why the number can come back as a credit.
Read the guide →