Planning calculators

Sizing a system by guesswork is how people end up with a battery bank that dies at 3am or a heater that cannot keep up. These work the numbers before you spend the money.

Available now

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Bus Layout Designer

Plan beds, bathrooms, kitchens and utilities against a selected bus envelope.
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Skoolie Build Planner

Turn the master shopping list into a phased checklist and budget plan.
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Heat Load Estimator

Organize bus size, insulation and climate inputs before selecting a heater.
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Off-Grid Electrical Planner

One shared appliance list drives a connected solar array size, usable battery capacity, and generator recommendation.
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Kitchen Design Planner

Pick your rig, cooking style, sink, latches, appliances and power system for a practical kitchen layout starting point.
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Roof Layout Planner

Lay out solar panels, a roof AC unit, vents, an escape hatch, antennas and roof racks to scale and catch overlap or clearance conflicts before you cut.

In development

Listed so you know what is coming. Each page explains what the tool will do and points at the guide that covers the same ground in the meantime.

In development

Bathroom Space Planner

Compare wet-bath, standalone shower and toilet footprints against bus dimensions.
 In development

Build Cost Estimator

Organize mechanical, shell, electrical, plumbing and interior costs by build tier.
A calculator is only as good as what you feed it. Every one of these gives you a planning figure, not an engineering certification — size safety-critical systems with the actual spec sheets for the parts you buy, and have your electrical work checked if you are not qualified.