Transportation calculators
30 calculators 0-60 Calculator Estimate 0-60 mph time from weight, horsepower, drivetrain, gearbox, tires, and road conditions. Also outputs 0-100 km/h and quarter-mile time.
Open Fuel Cost Calculator Calculate fuel cost for any trip: one-way, round-trip, weekly and annual. Supports L/100km, km/L and MPG. Compare two vehicles side by side.
Open Horsepower Calculator Calculate horsepower four ways: torque x RPM, watts, quarter-mile elapsed time, or trap speed. Get HP, kW, PS, BTU/h and reverse-solve for torque instantly.
Open MPG Calculator Calculate real-world MPG from odometer or trip distance, convert to L/100km and km/L, find cost per mile, and see where your car ranks.
Open RPM Calculator Calculate RPM, rad/s, surface speed, pulley belt ratios, gear ratios, and vehicle wheel speed. Six modes with metric and imperial units, show-your-work steps included.
Open Speed Calculator Solve for speed, distance, or time. Enter any two values to find the third. Outputs in km/h, mph, m/s, knots, and ft/s with a real-world speed reference table.
Open Tire Size Calculator Decode a P-metric tire size into diameter, sidewall, circumference and speedometer error. Compare two sizes side by side and see the exact speed correction table.
Open Boat Speed Calculator Calculate boat top speed with Crouch's formula (HP + displacement), propeller RPM and pitch, or hull speed from waterline length. Results in mph, knots, or km/h.
Open Boost Horsepower Calculator Calculate boosted horsepower for a turbocharged or supercharged engine. Enter base HP and boost pressure to get power gain, total HP, and pressure ratio instantly.
Open BSFC Calculator Calculate brake specific fuel consumption (BSFC) from fuel flow and power. Get thermal efficiency, g/kWh to lb/hp-hr conversion, and engine type benchmarks.
Open Carpooling Calculator: Savings, Cost Split and CO2 Calculate your carpooling cost per person, annual savings vs solo driving, gas-only or full-cost split, and CO2 emissions reduced. Instant results with step-by-step math.
Open Commute Calculator Calculate your true commute cost including fuel, parking, tolls, wear and tear, and the value of your time. Get daily, monthly, and annual totals instantly.
Open Compression Ratio Calculator Calculate your engine compression ratio from bore, stroke, chamber volume, gasket, deck clearance, and piston dome/dish. Includes dynamic CR and total displacement.
Open Crosswind Calculator Calculate crosswind and headwind/tailwind components. Enter wind direction, speed, and runway heading to see the exact vector breakdown for any landing or takeoff.
Open Drive Time Calculator Calculate driving time from distance and speed, get your arrival time and departure time, estimate fuel cost per trip and per person, with metric and imperial units.
Open Engine Hours to Miles Converter Convert engine hours to equivalent miles. Choose vehicle type or enter a custom speed factor. Includes reverse mode, OEM conversion rates, and a maintenance reference table.
Open Flight Radiation Calculator Calculate cosmic radiation dose from any flight. Enter hours and route type to get your dose in microsieverts, compare to X-rays, and check against annual exposure limits.
Open Fuel Pump Calculator Calculate the minimum fuel pump flow rate (LPH and GPH) for your horsepower target. Enter induction type, fuel type, and safety margin for a precise result.
Open Gas Calculator Calculate gas cost for any trip using distance, MPG and gas price. Get total fuel cost, gallons needed, cost per mile and monthly spending in metric or imperial units.
Open GVWR Calculator Calculate your vehicle's Gross Vehicle Weight Rating, available payload, and GCWR for towing. Supports metric and imperial. Instant results with weight class.
Open Miles to Dollars Calculator Convert miles to dollars instantly. Calculate IRS mileage reimbursement for 2026 (72.5 cents/mile) or find the cash value of your airline loyalty miles.
Open Speedometer Gear Calculator Find the correct speedometer driven gear teeth after changing tire size or axle ratio. Enter drive teeth, axle ratio, and tire size to get results instantly.
Open Tesla Charging Cost Calculator: Home, Supercharger and Per-Mile Cost Calculate Tesla charging cost by model, state of charge, and rate. Compare home vs Supercharger cost, cost per mile, and annual charging bill in seconds.
Open Ticket Optimizer Enter your trip count, stay length, and local fares to instantly find the cheapest combination of single tickets, daily passes, weekly passes, and monthly passes.
Open Traffic Density Calculator Calculate traffic density (vehicles per km or mile) from vehicle count and road length. Includes flow, speed, headway, and level-of-service rating.
Open Turbo Size Calculator Size a turbocharger for any engine. Enter displacement, target HP, boost and RPM to get airflow (CFM and lbs/min), pressure ratio, and compressor inducer diameter.
Open Wheel Horsepower Calculator Convert between wheel horsepower (WHP) and crank HP instantly. Choose your drivetrain type, enter torque and RPM, or set a custom drivetrain loss percentage.
Open Wheel Offset Calculator Calculate wheel offset (ET), backspacing, and clearance change when swapping wheels. Convert between mm offset and inches backspacing instantly.
Open Winch Size Calculator Calculate the winch size you need from your vehicle weight, terrain, slope, rigging, and damaged wheels. Get minimum and recommended capacity in lbs or kg.
Open Windsock Calculator Convert windsock segments or deflection angle to wind speed in knots, mph, km/h and m/s. Get Beaufort scale, aviation crosswind category, and runway guidance instantly.
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