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Calculation Intelligence
121 calculators across fleet, tyres, fuel, fluid engineering, warehouse, finance, and operations KPIs. 10 top calculators are fully interactive. The rest of the catalogue lists the formula and lets you estimate manually.
Fully interactive: enter your numbers, get results, see warnings and recommendations.
Front and rear axle loads from total mass + CG
rear_axle_load = total_mass × cg_from_front_axle ÷ wheelbase; front_axle_load = total_mass − rear_axle_loadOpen calculator Predict remaining km from tread wear rate
wear_rate = (previous_tread − current_tread) ÷ distance_run × 1000; remaining_km = (current_tread − minimum_tread) ÷ wear_rate × 1000Open calculator Real cost per kilometre for a tyre
cost_per_km = tyre_cost ÷ distance_achievedOpen calculator Check rolling-circumference mismatch on dual axles
mismatch_percent = abs(circumference_a − circumference_b) ÷ max(circumference_a, circumference_b) × 100Open calculator Fuel cost for a single trip — litres × price
fuel_cost = fuel_used × fuel_priceOpen calculator Volume in a part-full horizontal cylindrical tank
partial_volume = length × (radius² × acos((radius − fill_height)/radius) − (radius − fill_height) × sqrt(2×radius×fill_height − fill_height²))Open calculator Darcy-Weisbach friction pressure drop in a pipe
pressure_drop = friction_factor × (pipe_length÷diameter) × (density × velocity² ÷ 2)Open calculator Stock level that triggers a new purchase order
reorder_point = average_daily_demand × lead_time_days + safety_stockOpen calculator Units to sell before fixed costs are covered
break_even_units = fixed_cost ÷ (selling_price − variable_cost)Open calculator Return on investment — gain ÷ cost × 100
roi_percent = (gain − cost) ÷ cost × 100Open calculator