Decimal in the thousandths place
0.155 in Words
0.155 is a positive terminating decimal less than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
0.155 in words is zero point one five five.
0.155 Place-Value Breakdown
The decimal digits place 1 in the tenth place, 5 in the hundredth place, and 5 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 0 | ones | 0 |
| Decimal part | 1 | tenth | 1/10 |
| Decimal part | 5 | hundredth | 5/100 |
| Decimal part | 5 | thousandth | 5/1000 |
What Kind of Decimal Is 0.155?
0.155 is a positive terminating decimal less than 1. It is written to the thousandths place.
Expanded Form of 0.155
0.155 = 1/10 + 5/100 + 5/1000
0.155 = 0 + 155/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
How 0.155 Simplifies to 31/200
0.155 = 155/1000
The greatest common divisor of 155 and 1000 is 5.
155 ÷ 5 = 31
1000 ÷ 5 = 200
Therefore, 155/1000 = 31/200.
0.155 as a Percentage
To convert 0.155 to a percentage, multiply it by 100.
0.155 × 100 = 15.5
Therefore, 0.155 = 15.5%.
Decimals Equivalent to 0.155
0.155 = 0.1550 = 0.15500
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 |
|---|---|---|---|
| 0.155 | thousandths | 155/1000 | 31/200 |
| 0.1550 | ten-thousandths | 1550/10000 | 31/200 |
| 0.15500 | hundred-thousandths | 15500/100000 | 31/200 |
Visual Model of 0.155
A 1000-part grid would be too dense at small screen sizes, so this symbolic model keeps the place-value relationship readable.
0.155 on a Number Line
0.155 lies between 0.154 and 0.156. It is 0.845 below 1 and 0.155 above 0.
On a number line from 0 to 1, it appears 15.5% of the way from 0 to 1.
How Far Is 0.155 from 1?
1 − 0.155 = 0.845
1 − 31/200 = 169/200
0.155 is eight hundred forty-five thousandths below 1. The remaining part is 845/1000 = 169/200 = 84.5%.
0.155 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.0155 | zero point zero one five five | one hundred fifty-five ten-thousandths | 31/2000 | 1.55% | ten times smaller than 0.155 |
| 0.155 | zero point one five five | one hundred fifty-five thousandths | 31/200 | 15.5% | current value |
| 0.1550 | zero point one five five zero | one thousand five hundred fifty ten-thousandths | 31/200 | 15.5% | same numerical value, written to the ten-thousandths place |
| 1.55 | one point five five | one and fifty-five hundredths | 31/20 | 155% | ten times larger than 0.155 |
Quick Practice
How is 0.155 read digit by digit?
Zero point one five five.
What is the place-value word form of 0.155?
One hundred fifty-five thousandths.
What fraction is 0.155 in lowest terms?
31/200.
What percentage is equal to 0.155?
15.5%.
Which is greater: 0.155 or 0.0155?
0.155 is ten times as large.
Is 0.155 equal to 0.1550?
Yes. The added trailing zero changes written precision, not numerical value.
Frequently Asked Questions
How do you write 0.155 in words?
0.155 in words is zero point one five five.
Why is 0.155 called one hundred fifty-five thousandths?
Because the digit 1 is in the thousandths place. Therefore, 0.155 represents one hundred fifty-five thousandths.
What fraction is 0.155?
0.155 is 155/1000 exactly and 31/200 in lowest terms.
Can 155/1000 be simplified?
Yes. Divide its numerator and denominator by 5 to get 31/200.
What percentage is 0.155?
0.155 is equal to 15.5%.
Is 0.155 the same as 0.1550?
Yes. 0.155 and 0.1550 have the same numerical value. However, 0.155 is written to the thousandths place, while 0.1550 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 0.155 larger than 0.0155?
Yes. 0.155 is ten times as large as 0.0155.
What type of decimal is 0.155?
0.155 is a positive terminating decimal less than 1. It is written to 3 decimal places and represents one hundred fifty-five thousandths.