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CAR INSURANCE

Car Mileage - How to Calculate It Correctly?

Shamshuddin S 18 June 2025

Your car's fuel efficiency is essential for optimising travel plans, managing expenses, and maintaining vehicle performance. Calculating mileage not only helps you determine how far your car can travel on a litre of fuel but also allows you to make informed decisions about refuelling and driving habits. Frequent tracking improves vehicle performance and fuel economy.

Calculate Car Mileage

This guide will walk you through simple yet effective steps to measure mileage accurately and improve fuel efficiency. The elements that affect fuel efficiency, how to calculate your car's mileage, and suggestions for increasing it are all covered on this page. Besides, the need for a four-wheeler insurance cannot be understated in the uncertain times we live in.

Understanding Car Mileage Better

What Does "Car Mileage" Mean?

The distance your car can go on a single gallon or litre of fuel is known as car mileage. Miles per gallon or kilometres per gallon are used to measure it. Mileage demonstrates how fuel-efficient the car is. The car can go farther on less fuel if it has a greater mileage.

What is the Formula to Calculate Mileage?

If you're looking up "how to calculate the mileage of a car" online, it can be carried out through a simple formula: Mileage = Distance Travelled (miles) / Gallons Used

For example, if you drove a distance of 400 kilometres and used up fuel of about 20 litres, the mileage would be 20 kmpl.

How Do You Determine the Mileage of Your Vehicle?

The question that comes to our mind is - how to calculate car mileage? Use the following straightforward steps to know how to calculate the mileage of a car without hassle:

  • Step 1: Fill your car’s fuel tank to full.
  • Step 2: Reset your car’s trip meter to zero so you can see how far you drive.
  • Step 3: Drive your car as you normally do, whether in the city, on the highway, or for errands.
  • Step 4: When your fuel is almost empty, fill the tank to full again. Note how many litres of fuel you put in this time.
  • Step 5: Check how many kilometres you have driven since the last fill-up (from the trip meter).
  • Step 6: To find your car’s mileage, divide the total kilometres driven by the number of litres filled.

The correct way of knowing how to check car mileage requires knowledge about all these factors that play an important role in a petrol cost calculator.

Tips on How to Calculate Your Mileage Accurately

To obtain an accurate mileage reading for your car, make sure to do the following:

1. Set Trip Meter to Zero

After you fill up your tank, reset the trip meter so you can see exactly how far you drive on that fuel.

2. Keep Your Car Serviced

Take your car for regular check-ups and servicing. This helps your car run well and gives you the right mileage.

3. Check Tyre Air

Make sure your tyres have the right amount of air. Low or high tyre pressure can change your mileage.

4. Use the Same Kind of Fuel

Always fill your car with the same type of fuel (like petrol or diesel) to get accurate mileage numbers.

5. Write Down Fuel and Distance

Each time you fill up, note how much fuel you bought and how many kilometres you’ve driven. This helps you track your mileage over time.

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When Should a Mileage Check be Done?

These are certain times when it is essential to carry out a mileage check:

  • Before a Long Trip

Check the mileage before you start a long journey. This helps you see how much fuel your car uses and how far it can go.

  • Before or After Service

Knowing the mileage before and after a car service helps you keep track of when the next service is needed.

  • When Buying or Selling a Car

Always check the mileage when buying a used car to understand its condition and value. If you are selling, give the correct mileage to buyers so they know the car’s history.

What are the Benefits of a Mileage Check?

1. Assesses Need for Maintenance

Reduced mileage may be a sign of mechanical problems, which you can detect to keep your car in good condition before major harm occurs

2. Higher Resale Value

Used cars with lower mileage often have a higher resale value and are easier to sell.

3. Easier Car Comparison

Mileage helps you know how much the car has been used, which is important when comparing cars.

4. Smarter Buying Decisions

Checking the mileage helps you make a smarter choice and avoid cars that may soon need expensive maintenance.

Variables That Affect the Mileage of a Car

The table below addresses the several factors that affect your car's mileage:

Factor How it Affects
Driving Style Smooth driving saves fuel; fast or rough driving uses more fuel.
Engine Health Regular oil changes and maintenance help the engine run better and save fuel.
Aerodynamics Cars with smooth shapes move more easily and use less fuel.
Tyre Pressure Correct tyre air makes driving smooth and saves fuel.
Load Weight Carrying heavy things makes the engine work harder and use more fuel.
Fuel Quality Clean, good fuel helps the car run well and gives better mileage.
Weather Conditions Very hot or cold weather can lower mileage.
Traffic Situation Heavy traffic and lots of stopping and starting use more fuel

Ways to Improve the Mileage of Your Vehicle

The following professional advice will help you save your car's mileage and enhance its performance:

  • Mileage can be maintained by driving effectively, avoiding abrupt stops or acceleration, and keeping a constant speed.
  • Simple and efficient measures to preserve the vehicle's performance include routine oil changes, frequent trips to the repair shop, and cleaning the automobile and its parts. To help with any repairs your car might require, get four-wheeler insurance.
  • Regularly checking the tyre pressure is another crucial aspect of car maintenance.
  • Avoid putting more weight on the vehicle, as this lowers mileage and efficiency.
  • Avoid using the air conditioner at its highest level for extended periods of time, as this can lower mileage.

Implications of Mileage on Car Insurance

While purchasing a four-wheeler insurance policy, a car with high mileage may result in higher premiums, on account of the risk of an accident associated with it. However, most policies in India do not consider ‘mileage’ as a big factor in premium calculation, even though the car’s mileage has to be declared to the insurance company in advance.

Summary

Regularly tracking your car’s mileage empowers you to take control of fuel consumption and vehicle health. By following the outlined steps and maintaining your car properly, you can enhance efficiency and reduce costs. Additionally, investing in comprehensive auto insurance ensures financial protection in case of unforeseen incidents, keeping both you and your vehicle secure on the road.

After understanding the importance of car insurance, with reliable online platforms like Coverfox, you can easily compare, buy, and renew car insurance online, which gives you financial safety if something unexpected happens, like an accident or theft.

Recommended Reads:

Reduce Fuel Consumption and Save Big with These Simple Tricks

Best Mileage Cars Under 10 Lakhs in India

Petrol vs Diesel Car: Which Car Should You Buy

Frequently Asked Questions

What is car mileage?

The distance travelled by a car through a gallon or a litre of fuel, describing how fuel-efficient your car is, can be termed as mileage. The higher the mileage, the longer the distance you can travel.

How to calculate the average of a car in India?

To calculate the average of a car, the simple formula is to divide the distance travelled by the car (in kilometres) by the litres of fuel consumed.

How do you calculate a car's fuel efficiency?

To calculate fuel efficiency, fill up the gas tank and take a reading of mileage 1, then drive normally, and fill the tank again, noting down mileage 2. Now, simply subtract mileage 2 from 1 while dividing by gallons used to fill the tank.

Is a car insurance policy premium less for a car which is used less?

Even though certain standard four-wheeler insurance policies may offer discounts on low-mileage cars, it may not be too much. Premium calculation will depend mainly on other factors such as IDV, deductibles, etc, rather than mileage.

How often should I check my car’s mileage?

Checking your car’s mileage should be done routinely, especially whenever you fill the gas tank or at least once a month. This ensures easier maintenance benefits and aids with driving habits.

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