Decimal in the thousandths place
0.551 in Words
0.551 is a positive terminating decimal less than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
0.551 in words is zero point five five one.
0.551 Place-Value Breakdown
The decimal digits place 5 in the tenth place, 5 in the hundredth place, and 1 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 0 | ones | 0 |
| Decimal part | 5 | tenth | 5/10 |
| Decimal part | 5 | hundredth | 5/100 |
| Decimal part | 1 | thousandth | 1/1000 |
What Kind of Decimal Is 0.551?
0.551 is a positive terminating decimal less than 1. It is written to the thousandths place.
Expanded Form of 0.551
0.551 = 5/10 + 5/100 + 1/1000
0.551 = 0 + 551/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
Why 551/1000 Is Already in Lowest Terms
There are 3 decimal places, so the exact fraction is 551/1000.
The greatest common divisor of its numerator and denominator is 1, so the fraction cannot be reduced further.
0.551 as a Percentage
To convert 0.551 to a percentage, multiply it by 100.
0.551 × 100 = 55.1
Therefore, 0.551 = 55.1%.
Decimals Equivalent to 0.551
0.551 = 0.5510 = 0.55100
Adding zeros to the right of a decimal does not change its numerical value. It does change the number of written decimal places and may communicate different precision.
| Decimal | Final place | Exact fraction | Simplified value |
|---|---|---|---|
| 0.551 | thousandths | 551/1000 | 551/1000 |
| 0.5510 | ten-thousandths | 5510/10000 | 551/1000 |
| 0.55100 | hundred-thousandths | 55100/100000 | 551/1000 |
Visual Model of 0.551
A 1000-part grid would be too dense at small screen sizes, so this symbolic model keeps the place-value relationship readable.
0.551 on a Number Line
0.551 lies between 0.550 and 0.552. It is 0.449 below 1 and 0.551 above 0.
On a number line from 0 to 1, it appears 55.1% of the way from 0 to 1.
How Far Is 0.551 from 1?
1 − 0.551 = 0.449
1 − 551/1000 = 449/1000
0.551 is four hundred forty-nine thousandths below 1. The remaining part is 449/1000 = 449/1000 = 44.9%.
0.551 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.0551 | zero point zero five five one | five hundred fifty-one ten-thousandths | 551/10000 | 5.51% | ten times smaller than 0.551 |
| 0.551 | zero point five five one | five hundred fifty-one thousandths | 551/1000 | 55.1% | current value |
| 0.5510 | zero point five five one zero | five thousand five hundred ten ten-thousandths | 551/1000 | 55.1% | same numerical value, written to the ten-thousandths place |
| 5.51 | five point five one | five and fifty-one hundredths | 551/100 | 551% | ten times larger than 0.551 |
Quick Practice
How is 0.551 read digit by digit?
Zero point five five one.
What is the place-value word form of 0.551?
Five hundred fifty-one thousandths.
What fraction is 0.551 in lowest terms?
551/1000.
What percentage is equal to 0.551?
55.1%.
Which is greater: 0.551 or 0.0551?
0.551 is ten times as large.
Is 0.551 equal to 0.5510?
Yes. The added trailing zero changes written precision, not numerical value.
Frequently Asked Questions
How do you write 0.551 in words?
0.551 in words is zero point five five one.
Why is 0.551 called five hundred fifty-one thousandths?
Because the digit 5 is in the thousandths place. Therefore, 0.551 represents five hundred fifty-one thousandths.
What fraction is 0.551?
0.551 is 551/1000 exactly and 551/1000 in lowest terms.
Is 551/1000 already in lowest terms?
Yes. Its numerator and denominator have a greatest common divisor of 1.
What percentage is 0.551?
0.551 is equal to 55.1%.
Is 0.551 the same as 0.5510?
Yes. 0.551 and 0.5510 have the same numerical value. However, 0.551 is written to the thousandths place, while 0.5510 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 0.551 larger than 0.0551?
Yes. 0.551 is ten times as large as 0.0551.
What type of decimal is 0.551?
0.551 is a positive terminating decimal less than 1. It is written to 3 decimal places and represents five hundred fifty-one thousandths.