Online Automotive Calculators & Tools
Professional automotive tools to help you make informed decisions about your vehicle
Vehicle Diagnosis Quiz
Get help diagnosing your vehicle problems through our interactive quiz system.
- Step-by-step diagnosis
- Common vehicle problems
- Expert recommendations
- Save & share results
Tyre Size Calculator
Compare tyre sizes and find the perfect fit for your vehicle with detailed specifications.
- Size comparison tool
- Speedometer difference
- Load index calculator
- Visual size comparison
Tyre Pressure Calculator
Convert pressure units, calculate optimal pressure based on load, altitude and temperature.
- PSI to Bar converter
- Load-based calculations
- Altitude adjustments
- Temperature effects
Tyre Expiry Date Calculator
Check if your tyres are expired using the DOT code. Determine manufacturing date and 5-year safety limit for road safety.
- DOT code decoder
- Manufacturing date calculator
- 5-year expiry rule checker
- Safety recommendations
Turbo Size Calculator
Calculate the optimal turbocharger size for your engine specifications and performance goals.
- Engine displacement calculator
- Power target estimation
- Turbo matching guide
- Performance predictions
Vehicle Battery Size Calculator
Find the correct battery size and specifications for your vehicle based on make, model and engine type.
- Battery size lookup
- Cold cranking amps calculator
- Reserve capacity guide
- Battery type recommendations
Spark Plug Size Calculator
Find the exact spark plug specifications for your vehicle including thread size, reach, heat range and gap settings.
- Plug type identification
- Thread size calculator
- Heat range guide
- Gap specifications
Brake Pads Vehicle Calculator
Calculate brake pad sizes and specifications for your vehicle including front and rear pad dimensions and disc specifications.
- Pad size calculator
- Disc specifications
- Front & rear dimensions
- Brand compatibility
Service Kit for Vehicle
Find complete service kit specifications for minor and major services including oils, filters, and all required parts.
- Minor service kits
- Major service kits
- Service intervals
- Cost estimates
Vehicle Performance Upgrade Quiz
Get personalized recommendations for vehicle performance upgrades based on your driving needs and budget.
- Personalized upgrade path
- Budget-based recommendations
- Performance impact analysis
- Installation difficulty guide
Chip Tuning Unit for Diesel & Petrol
Browse professional chip tuning units for BMW, Audi, Mercedes, VW, Ford & Toyota. Increase horsepower and torque safely.
- Vehicle compatibility checker
- Performance gain calculator
- Price comparison tool
- Professional installation booking
Wheel PCD Calculator
Calculate Pitch Circle Diameter (PCD) for perfect wheel fitment. Includes South African vehicle database and popular sizes.
- Instant PCD calculations
- SA vehicle database
- Popular wheel sizes table
- Fitment verification
Why Use Our Automotive Tools?
Our tools are designed by automotive experts to help you make informed decisions about your vehicle maintenance and upgrades.
Accurate Results
Professional-grade calculations based on industry standards
Fast & Easy
Get instant results with our user-friendly interface
Expert Knowledge
Built by automotive professionals with years of experience
Always Free
No hidden costs or subscription fees - completely free to use



