Axle & compliance
Axle Weight Shift & Tandem Slider Calculator
Estimate the whole-hole tandem slider move needed to transfer axle weight.
Free planning calculators
Run the freight calculation before the truck moves.
Eleven focused tools for load planners, dispatchers and drivers. Each one shows the formula, assumptions and limits—not just a number.
11calculators across axle compliance, cargo, fuel, routes and unit conversions
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The checks planners reach for first.
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Axle & compliance
Federal Bridge Formula Calculator
Calculate the federal bridge-formula weight for an axle count and outer spacing.
Cargo planning
Truck Payload Capacity Calculator
Subtract current vehicle, people, gear and fuel weight from GVWR.
Route planning
HOS Arrival Feasibility Calculator
Estimate whether route driving, stops and breaks fit remaining HOS clocks.
More calculators
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Axle & compliance
1 toolCargo planning
3 toolsFuel & operations
1 toolRoute planning
1 toolConversions
1 toolUse the result correctly
Planning estimate first. Verified operating decision second.
These calculators make the arithmetic and assumptions visible. They do not replace a scale ticket, equipment rating, permit, current jurisdiction rule or qualified safety review.
See the connected workflow