Last updated on May 26th, 2025
To meet their daily commerce and administration needs, the ancient Romans developed Roman Numerals. It used a combination of seven symbols — I, V, X, L, C, D, and M to represent numbers. Roman numerals were used to record transactions, keep track of data, and label military units. In this topic, we are going to learn about the Roman numeral DCCCXIV.
Ancient Romans discovered that counting fingers could get very complicated after 10. So to overcome the complexity, the Roman numeric system was developed. This was widely used throughout Europe as a standard writing system until the late Middle Ages.
Seven symbols are used to represent numbers in the Roman numeric system — I, V, X, L, C, D, and M. The numerals are made up of different combinations of these symbols. DCCCXIV in Roman numerals can be written in number form by adding the values of each Roman numeral, i.e. DCCCXIV = 814.
Let us learn more about the Roman numeral DCCCXIV, how we write it, the mistakes we usually make, and ways to avoid these mistakes.
When writing Roman numerals, there are a few rules that we need to follow based on the Roman numerals we are trying to write. In this section, we will learn about the rules when writing Roman numerals and how to represent them.
When a larger symbol is followed by a smaller symbol, we add the numerals to each other. For example, in VIII, we have 5 + 3 = 8.
A symbol that is repeated up to three times in continuation increases the value of the numeral. For example, XXX = 30.
We use the subtraction method when a larger symbol follows a smaller symbol. For example, XL = 40 (which is 50 – 10).
Symbols cannot be repeated more than three times, and some symbols, such as V, L, and D cannot be repeated more than once. For example, 10 is represented as X and not VV.
Let us learn about how to write DCCCXIV in Roman numerals. There are two methods that we can use to write Roman numerals:
The breaking down of Roman numerals into parts and then converting them into numerals is what we call the expansion method. The expansion method is the breaking down of Roman numerals into numerical form and adding them to get the final number.
Step 1: Break the Roman numerals into parts.
Step 2: Now write each of the Roman numerals with its numerical digit in the place value.
Step 3: Add the numerals together.
For DCCCXIV,
Step 1: First we break the Roman numerals. DCCCXIV = D + CCC + X + IV
Step 2: Write the Roman Numerals for each part The Roman Numeral D is 500 The Roman Numeral C is 100 The Roman Numeral X is 10 The Roman Numeral IV is 4
Step 3: Combine all the numbers D + CCC + X + IV = 500 + 300 + 10 + 4 = 814. Therefore, the Roman Numeral DCCCXIV is 814.
Using subtraction and addition rules, we will apply the grouping method. This means we break the Roman numerals into smaller groups, which makes it easier to work with. This method groups the Roman numerals logically, and then we write the numbers for each group.
Step 1: Take the largest number and write the number for that Roman numeral.
Step 2: Write the Roman numeral using the subtraction and addition rules.
Example: Let’s take the Roman numeral DCCCXIV.
Step 1: The larger Roman numerals are what we will begin with. Once split, the Roman numerals we get are DCCC and XIV. The numeral for DCCC is 800
Step 2: Now we need to either add or subtract the smaller number, depending on its place.
Here we add XIV to DCCC and we will get DCCCXIV. The Roman numeral XIV is 14 Therefore, the numeral of DCCCXIV is 814.
Students can make mistakes when studying Roman numerals. Here are a few common mistakes students make, and ways to avoid them.
A treasure map indicates that a treasure is located DCCXC paces north and XXIV paces east. How many total paces must be walked to reach the treasure? Write the answer in Roman numerals.
DCCCXIV
Convert both Roman numerals into their decimal form:
DCCXC = 790
XXIV = 24
Now add both numbers: 790 + 24 = 814
Convert the number into its Roman numeral: 814 = 800 + 10 + 4 = DCCCXIV
A historian finds two ancient scrolls. One is dated DCCXII A.D., and the other is dated CII years earlier. What is the date of the older scroll in Roman numerals?
DCX
Convert the Roman numerals into their decimal form:
DCCXII = 712
CII = 102
Subtract the years: 712 - 102 = 610
Convert the number into its Roman numeral: 610 = 600 + 10 = DCX
A Roman artifact weighs DCCCXIV grams. If the artifact is made of gold and silver in a ratio of 3:1, how much of the artifact's weight is gold? Write the answer in Roman numerals.
DCXI
Convert DCCCXIV into its decimal form:
DCCCXIV = 814
The ratio of gold to total weight is 3/4 (since the ratio is 3:1). 814 × 3/4 = 610.5
Since Roman numerals do not represent fractions, round to the nearest whole number: 611
Convert 611 into its Roman numeral: 611 = 600 + 10 + 1 = DCXI
A Roman legion marches for DCCCXIV miles over several weeks. If they march the same number of miles each week, and they march for XIV weeks, how many miles do they march per week? Write the answer in Roman numerals.
LVIII
Convert DCCCXIV and XIV into their decimal forms:
DCCCXIV = 814
XIV = 14
Divide the total miles by the number of weeks: 814 ÷ 14 = 58
Convert 58 into its Roman numeral: 58 = 50 + 8 = LVIII
A Roman historian writes a book containing DCCCXIV pages. If each chapter contains XXXVII pages, how many complete chapters are there in the book? Write the answer in Roman numerals.
XXII
Convert DCCCXIV and XXXVII into their decimal forms:
DCCCXIV = 814
XXXVII = 37
Divide the total pages by the pages per chapter to find the number of complete chapters: 814 ÷ 37 ≈ 22
Convert 22 into its Roman numeral: 22 = 20 + 2 = XXII
Limitation Rule: There are some symbols that cannot be repeated more than once (V, L, D). For example, LVV for 60 is wrong, the correct answer is LX.
Place Value: The position of a digit in a number, this position determines its value. For example, the number 8 in 814 is in the hundred's place.
Addition Method: The practice of adding values when a larger numeral precedes a smaller one. For example, VI = 5 + 1 = 6.
Subtraction Method: The practice of subtracting values when a smaller numeral precedes a larger one. For example, IV = 5 - 1 = 4.
Grouping Method: A method used to simplify the conversion of Roman numerals by grouping them into logical parts.
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
: She loves to read number jokes and games.