Whole Part and Fractional Part
This mixed decimal combines the whole part 1 with the fractional part 997/1000. In place-value words, "and" marks that boundary.
Decimal in the thousandths place
1.997 in Words
1.997 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
1.997 in words is one point nine nine seven.
1.997 Place-Value Breakdown
The digits 1 form the whole-number part, while 9 in the tenth place, 9 in the hundredth place, and 7 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 1 | ones | 1 |
| Decimal part | 9 | tenth | 9/10 |
| Decimal part | 9 | hundredth | 9/100 |
| Decimal part | 7 | thousandth | 7/1000 |
What Kind of Decimal Is 1.997?
1.997 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 1.997
1.997 = 1 + 9/10 + 9/100 + 7/1000
1.997 = 1 + 997/1000
1.997 = 1 997/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
Why 1997/1000 Is Already in Lowest Terms
There are 3 decimal places, so the exact fraction is 1997/1000.
The greatest common divisor of its numerator and denominator is 1, so the fraction cannot be reduced further.
As a mixed fraction, the value is 1 997/1000.
1.997 as a Percentage
To convert 1.997 to a percentage, multiply it by 100.
1.997 × 100 = 199.7
Therefore, 1.997 = 199.7%.
Decimals Equivalent to 1.997
1.997 = 1.9970 = 1.99700
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 |
|---|---|---|---|
| 1.997 | thousandths | 1997/1000 | 1997/1000 |
| 1.9970 | ten-thousandths | 19970/10000 | 1997/1000 |
| 1.99700 | hundred-thousandths | 199700/100000 | 1997/1000 |
1.997 on a Number Line
1.997 lies between 1 and 2. It is 0.003 below 2 and 0.997 above 1.
11.9972
1.997 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.1997 | zero point one nine nine seven | one thousand nine hundred ninety-seven ten-thousandths | 1997/10000 | 19.97% | ten times smaller than 1.997 |
| 1.997 | one point nine nine seven | one and nine hundred ninety-seven thousandths | 1997/1000 | 199.7% | current value |
| 1.9970 | one point nine nine seven zero | one and nine thousand nine hundred seventy ten-thousandths | 1997/1000 | 199.7% | same numerical value, written to the ten-thousandths place |
| 19.97 | nineteen point nine seven | nineteen and ninety-seven hundredths | 1997/100 | 1997% | ten times larger than 1.997 |
Quick Practice
How is 1.997 read digit by digit?
One point nine nine seven.
What is the place-value word form of 1.997?
One and nine hundred ninety-seven thousandths.
What fraction is 1.997 in lowest terms?
1997/1000.
What percentage is equal to 1.997?
199.7%.
What is 1.997 as a mixed fraction?
1 997/1000.
Between which whole numbers does 1.997 lie?
Between 1 and 2.
Frequently Asked Questions
How do you write 1.997 in words?
1.997 in words is one point nine nine seven.
Why is 1.997 called one and nine hundred ninety-seven thousandths?
Because the digit 9 is in the thousandths place. Therefore, 1.997 represents one and nine hundred ninety-seven thousandths.
What fraction is 1.997?
1.997 is 1997/1000 exactly and 1997/1000 in lowest terms.
Is 1997/1000 already in lowest terms?
Yes. Its numerator and denominator have a greatest common divisor of 1.
What percentage is 1.997?
1.997 is equal to 199.7%.
Is 1.997 the same as 1.9970?
Yes. 1.997 and 1.9970 have the same numerical value. However, 1.997 is written to the thousandths place, while 1.9970 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 1.997 larger than 0.1997?
Yes. 1.997 is ten times as large as 0.1997.
What type of decimal is 1.997?
1.997 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents one and nine hundred ninety-seven thousandths.