Whole Part and Fractional Part
This mixed decimal combines the whole part 1 with the fractional part 255/1000. In place-value words, "and" marks that boundary.
Decimal in the thousandths place
1.255 in Words
1.255 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
1.255 in words is one point two five five.
1.255 Place-Value Breakdown
The digits 1 form the whole-number part, while 2 in the tenth place, 5 in the hundredth place, and 5 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 1 | ones | 1 |
| Decimal part | 2 | tenth | 2/10 |
| Decimal part | 5 | hundredth | 5/100 |
| Decimal part | 5 | thousandth | 5/1000 |
What Kind of Decimal Is 1.255?
1.255 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 1.255
1.255 = 1 + 2/10 + 5/100 + 5/1000
1.255 = 1 + 255/1000
1.255 = 1 51/200
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
How 1.255 Simplifies to 251/200
1.255 = 1255/1000
The greatest common divisor of 1255 and 1000 is 5.
1255 ÷ 5 = 251
1000 ÷ 5 = 200
Therefore, 1255/1000 = 251/200.
As a mixed fraction, the value is 1 51/200.
1.255 as a Percentage
To convert 1.255 to a percentage, multiply it by 100.
1.255 × 100 = 125.5
Therefore, 1.255 = 125.5%.
Decimals Equivalent to 1.255
1.255 = 1.2550 = 1.25500
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 |
|---|---|---|---|
| 1.255 | thousandths | 1255/1000 | 251/200 |
| 1.2550 | ten-thousandths | 12550/10000 | 251/200 |
| 1.25500 | hundred-thousandths | 125500/100000 | 251/200 |
1.255 on a Number Line
1.255 lies between 1 and 2. It is 0.745 below 2 and 0.255 above 1.
11.2552
1.255 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.1255 | zero point one two five five | one thousand two hundred fifty-five ten-thousandths | 251/2000 | 12.55% | ten times smaller than 1.255 |
| 1.255 | one point two five five | one and two hundred fifty-five thousandths | 251/200 | 125.5% | current value |
| 1.2550 | one point two five five zero | one and two thousand five hundred fifty ten-thousandths | 251/200 | 125.5% | same numerical value, written to the ten-thousandths place |
| 12.55 | twelve point five five | twelve and fifty-five hundredths | 251/20 | 1255% | ten times larger than 1.255 |
Quick Practice
How is 1.255 read digit by digit?
One point two five five.
What is the place-value word form of 1.255?
One and two hundred fifty-five thousandths.
What fraction is 1.255 in lowest terms?
251/200.
What percentage is equal to 1.255?
125.5%.
What is 1.255 as a mixed fraction?
1 51/200.
Between which whole numbers does 1.255 lie?
Between 1 and 2.
Frequently Asked Questions
How do you write 1.255 in words?
1.255 in words is one point two five five.
Why is 1.255 called one and two hundred fifty-five thousandths?
Because the digit 2 is in the thousandths place. Therefore, 1.255 represents one and two hundred fifty-five thousandths.
What fraction is 1.255?
1.255 is 1255/1000 exactly and 251/200 in lowest terms.
Can 1255/1000 be simplified?
Yes. Divide its numerator and denominator by 5 to get 251/200.
What percentage is 1.255?
1.255 is equal to 125.5%.
Is 1.255 the same as 1.2550?
Yes. 1.255 and 1.2550 have the same numerical value. However, 1.255 is written to the thousandths place, while 1.2550 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 1.255 larger than 0.1255?
Yes. 1.255 is ten times as large as 0.1255.
What type of decimal is 1.255?
1.255 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents one and two hundred fifty-five thousandths.