Rider & Driver Tools

Calculate the total fuel cost for your trip based on distance and fuel price.

Calculate your vehicle mileage in km/l, mpg, or l/100km.

Convert between different fuel efficiency units (MPG, L/100km, km/L).

Calculate how much it costs to drive your vehicle per kilometer or mile.

Calculate exactly how much fuel you need for a specific trip distance.

Estimate your monthly or annual fuel spending based on daily commute.

See how a change in fuel price affects your monthly budget.

Split fuel costs between multiple people for group rides or carpooling.

Estimate the maximum range of your vehicle on a full tank of fuel.

Estimate how far you can drive once your fuel light comes on.

Calculate fuel savings by changing speed or vehicle efficiency.

Calculate fuel consumption per hour of engine operation.

Calculate the total time required for a journey based on distance and speed.

Calculate your average speed based on distance and travel time.

Estimate your arrival time based on current time, distance, and speed.

Calculate total distance traveled based on time and average speed.

Calculate total journey time including multiple stops and break durations.

Plan your rest breaks for long journeys to stay safe and alert.

Estimate total time for long rides including fatigue and slower average speeds.

Plan your daily mileage to reach a target destination over multiple days.

Comprehensive planner for road trip durations, including driving and sightseeing time.

Calculate total distance, time, and cost for a complete return journey.

Convert between different speed units like km/h, mph, knots, and m/s.

Calculate vehicle acceleration based on speed change and time.

Estimate 0–100 km/h (0-60 mph) time based on power and weight.

Calculate the theoretical distance required to stop from a given speed.

Calculate how far your vehicle travels during your reaction time.

Calculate total stopping distance including reaction time and braking phase.

Calculate your vehicle performance potential using the power-to-weight ratio.

Convert between engine torque and horsepower at a specific RPM.

Calculate gear ratios and overall drive ratios for your transmission.

Estimate engine RPM based on speed, gear ratio, and tire size.

Track when your next oil change is due based on mileage and oil type.

Estimate remaining tire life based on current tread depth and mileage.

Estimate brake pad longevity based on thickness and usage.

Track and summarize total vehicle maintenance and repair expenses.

Calculate how your vehicle value decreases over time.

Calculate the true cost of owning a vehicle including fuel, maintenance, and insurance.

Calculate the recommended safety gap between vehicles at different speeds.

Estimate the critical speed for hydroplaning based on tire pressure.

Get recommendations for child car seats based on age, weight, and height.

Interactive checklist for essential vehicle emergency kit items.

Compare dimensions and speedometer error between two different tire sizes.

Convert between PSI, Bar, and kPa for accurate tire inflation.

Calculate inner clearance and outer poke changes when changing wheel width or offset.

Calculate the difference between indicated and actual speed when changing tire sizes.

Calculate how much weight your vehicle can safely tow based on load.

Calculate how much weight your vehicle can safely carry inside.

Calculate the ideal tongue weight for safe trailer towing.

Calculate engine size (cc, liters) based on bore, stroke, and cylinders.

Calculate static compression ratio for engine building and tuning.

Estimate engine horsepower based on track performance and vehicle weight.