Transportation & Travel

  • What Time to Leave for the Airport Calculator
    Find out exactly what time to leave for the airport. Subtract check-in, drive, and parking time from your flight departure to never miss a flight.
  • Linear Luggage Dimensions Calculator
    Add your bag's length, width and height to get its linear dimensions and instantly check whether it fits an airline's L+W+H size limit.
  • Kilometers to Miles Converter
    Convert kilometers to miles instantly with this free calculator. Uses the exact factor 1 mile = 1.609344 km for accurate distance conversion.
  • Pounds to Kilograms Baggage Weight Converter
    Convert your baggage weight from pounds (lb) to kilograms (kg) instantly. Check against airline weight limits before you fly. kg = lb / 2.20462262.
  • Road Trip Time Calculator
    Estimate total road trip time from distance, average speed, and rest stops. Adds driving time plus break time for a realistic arrival estimate.
  • VinFast Charge Needed for Trip Calculator
    Estimate the battery charge percentage your VinFast EV needs for a trip based on distance, energy consumption, battery size and a safety reserve.
  • Plug-in Hybrid Economy Calculator
    Estimate the combined electricity and gasoline cost of driving a plug-in hybrid (PHEV). Split electric vs gas miles to see total cost and cost per mile.
  • Miles to Dollars Calculator
    Convert miles driven into dollars. Estimate the total cost of a trip from fuel price, MPG and maintenance per mile, plus cost per mile.
  • Mileage Reimbursement Calculator
    Calculate your mileage reimbursement instantly. Enter miles driven and your rate per mile to find the total amount owed for business travel.
  • Cost to Fill Gas Tank Calculator
    Estimate how much it costs to fill your gas tank. Enter tank size, fuel price, and current level to get the dollar cost and gallons needed.
  • MPG to L/100km Converter
    Convert miles per gallon (MPG) to litres per 100 km instantly. Supports both US and UK (Imperial) gallons with exact conversion factors.
  • VinFast Road Trip Charging Stops Calculator
    Plan your VinFast EV road trip: estimate how many charging stops you need and total trip time from distance, range, speed and charge time.
  • Time of Arrival (ETA) Calculator
    Estimate your time of arrival (ETA) from distance, average speed, departure time, and stop breaks. Shows arrival on a 24-hour clock plus days over.
  • Car Rental Total Cost Calculator
    Estimate the total cost of a car rental including daily rate, insurance, fuel, taxes and extras. See your per-day cost instantly.
  • Flight Time Calculator
    Estimate flight duration from distance and cruise speed, plus a taxi/climb overhead. Get gate-to-gate hours and minutes for any route, any units.
  • Road Trip Fuel Cost Calculator
    Estimate the fuel cost of any road trip. Enter distance, MPG, and price per gallon to instantly see total fuel spend and gallons used.
  • Speed Calculator (Distance ÷ Time)
    Calculate speed from distance and time using v = d/t. Enter distance and time in any unit and get speed in km/h, mph, m/s and ft/s instantly.
  • Distance Calculator (Speed × Time)
    Calculate distance traveled from speed and time using d = v × t. Supports km/h, mph and m/s. Fast, free, and accurate distance calculator.
  • Fuel Cost Calculator
    Estimate the gas cost of any trip from distance, vehicle MPG, and fuel price. See total cost, gallons needed, and cost per mile instantly.
  • Fuel CO₂ Emissions Calculator
    Calculate CO₂ emissions from fuel burned. Enter litres of gasoline, diesel or LPG to get kilograms and tonnes of CO₂ using standard emission factors.
  • Freight Density Calculator
    Calculate LTL freight density in lb/ft³ from weight and dimensions, plus an estimated NMFC freight class. Free shipping density tool for US carriers.
  • Gas Mileage (MPG) Calculator
    Calculate your car's gas mileage in miles per gallon (MPG) from miles driven and gallons used. Also shows L/100km and km/L equivalents.
  • Gas Mileage / Fuel Economy Calculator
    Calculate gas mileage and fuel economy in MPG (US), MPG (Imperial), km/L and L/100km from distance and fuel used, plus trip fuel cost.
  • Fuel Economy Calculator
    Calculate your vehicle's fuel economy in MPG from distance driven and fuel used. Also converts to L/100km and km/L instantly.

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