BC to AD Calculator

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If you’re curious in finding the time difference between BC and AD years, you’ve arrived to the right place. Calculate the total number of years between BCE and CE years using this BC to AD calculator.



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BC

BC is an abbreviation for “Before Christ.” The word BC is commonly used to count years based on the roughly year of Jesus Christ’s birth, with years prior to his birth listed in decreasing order. So, if you find 150 BC someplace, it signifies that it was 150 years before Christ was born.

AD

AD denotes ‘Anno Domini’ which is a latin word and that means ‘in the year of our lord’. However, in simple terms, it means ‘After Christ,’ and while the abbreviation does not correspond, it will be easier for you to remember. The term AD is commonly used for counting years following the birth of Jesus Christ, with years after his birth numbered in increasing order. So, if you see 150 AD someplace, it signifies that it is 150 years after Christ was born.

How to Use BC to AD Calculator

  • For calculating the time difference between bc and ad years, enter the years in the respected fields.
  • After entering bc and ad years in the appropriate fields, the calculator will display the time difference between the two years once you press the calculate button.
  • By default we have add the ‘BCE’ and ‘CE’ years as 500. You can reset these values by pressing the reset button.

What is CE & BCE

CE stands for “Common Era,” while BCE stands for “Before Common Era.” These phrases can also be used to indicate BC and AD dates on a timeline, respectively. You can use CE (common era) instead of AD (anno domini), and BCE instead of BC (before Christ).

Using the designations BCE and CE makes more sense for describing dates, especially for individuals and cultures who do not adhere to Christianity.

How to Find Years Across AD & BC

It is extremely easy to determine the years between the AD and BC dates. Simply add the two years together and then subtract one to determine the time difference.

We’ve solved a basic example below to assist you understand the maths.

For example, let’s say we want to find the number of years between 105 AD and 500 BC:

  1. Add both (AD & BC) the years = 105 + 500 = 605 years
  2. Now subtract 1 from the result = 605 – 1 = 604 years

Therefore, the number of years between 105 AD and 500 BC is 604 years.

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