To measure miles per gallon (mpg), one commonly uses an onboard trip computer found in many modern vehicles, which calculates fuel efficiency based on distance traveled and fuel consumed. Alternatively, you can manually track mpg by filling up your gas tank, noting the odometer reading, driving a specific distance, then refilling the tank and calculating the mpg using the formula: mpg = miles driven ÷ gallons of fuel used. Apps and devices that track fuel consumption and mileage can also assist in this measurement.
meter
odometer
thermometer
The engine dipstick is the only tool you can use to measure how much oil is in the engine.
Use a tape measure and measure in metres. For greater precision, measure in centimetres.
Barometer is the tool to measure air pressure
The best tool to use to measure distance underwater is
A ruler or tape measure.
You would use a thermometer to measure air temperature.
you get out your tool and use it.
a ruler
thermometer