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Free Vehicle Calculators & Tools

Over 1,439 professional automotive calculators. From engine performance to maintenance planning - everything you need for vehicle repair and optimization.

1,439+
Calculators
29
Categories
0+
Calculations Made
100%
Free Forever

Browse by Category

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73 tools

Engine & Performance

Calculate engine displacement, horsepower, torque, compression ratio, and performance metrics.

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45 tools

Fuel & Efficiency

Calculate fuel economy, trip costs, range estimates, and fuel system requirements.

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32 tools

Tire & Wheel

Tire size calculators, speedometer correction, wheel fitment, and tire pressure tools.

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72 tools

Electrical System

Battery sizing, wire gauge, amperage, voltage drop, and electrical load calculators.

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58 tools

Transmission & Drivetrain

Gear ratio, final drive, RPM at speed, and drivetrain calculators.

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51 tools

Brake System

Brake force, stopping distance, rotor sizing, and brake system calculators.

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48 tools

Suspension & Steering

Spring rate, ride height, alignment, and suspension geometry calculators.

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45 tools

Cooling System

Radiator sizing, coolant mix, thermostat selection, and cooling capacity tools.

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35 tools

HVAC & Climate

Air conditioning, heating, and climate control calculators.

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75 tools

Maintenance & Service

Service intervals, fluid capacities, filter schedules, and maintenance planners.

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68 tools

Cost & Finance

Total cost of ownership, loan payments, depreciation, and vehicle cost calculators.

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42 tools

Towing & Hauling

Towing capacity, payload, tongue weight, and trailer calculators.

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95 tools

Unit Converters

Convert between metric and imperial units for all automotive measurements.

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65 tools

Diagnostic Tools

OBD code lookup, sensor analysis, and diagnostic calculators.

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55 tools

Racing & Performance

Quarter mile, lap time, drag racing, and track performance calculators.

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45 tools

Fleet Management

Fleet tracking, utilization, maintenance scheduling, and cost analysis tools.

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38 tools

Environmental & Emissions

Carbon footprint, emissions calculations, and environmental impact tools.

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42 tools

Safety Calculators

Stopping distance, reaction time, and vehicle safety calculators.

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48 tools

Paint & Body

Paint coverage, color matching, and body repair calculators.

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35 tools

Audio & Electronics

Speaker box, amplifier, and car audio system calculators.

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52 tools

Fluid Calculators

Oil capacity, coolant mix, fluid specifications, and lubrication calculators.

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45 tools

Motorcycle Specific

Motorcycle-specific calculators for gearing, suspension, and performance.

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55 tools

Truck & Heavy Duty

Commercial truck, diesel, and heavy-duty vehicle calculators.

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48 tools

Electric Vehicle

EV range, charging time, battery health, and electric vehicle calculators.

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35 tools

Hybrid Vehicle

Hybrid system analysis, fuel savings, and PHEV calculators.

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32 tools

Classic & Vintage

Classic car restoration, valuation, and vintage vehicle calculators.

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38 tools

Commercial Vehicle

Bus, delivery, and commercial fleet calculators.

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25 tools

Marine Crossover

Boat towing, marine engine, and watercraft calculators.

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42 tools

General Automotive Math

Basic automotive calculations, physics, and engineering formulas.

Why Use Our Vehicle Calculators?

Accurate & Reliable

Built with industry-standard formulas used by professional mechanics and engineers worldwide.

Instant Results

Get immediate calculations without any page reloads. All processing happens right in your browser.

Free & Private

No registration required. Your data stays on your device - we don't store your calculations.

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