Whole Part and Fractional Part
This mixed decimal combines the whole part 1 with the fractional part 321/1000. In place-value words, "and" marks that boundary.
Decimal in the thousandths place
1.321 in Words
1.321 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
1.321 in words is one point three two one.
1.321 Place-Value Breakdown
The digits 1 form the whole-number part, while 3 in the tenth place, 2 in the hundredth place, and 1 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 1 | ones | 1 |
| Decimal part | 3 | tenth | 3/10 |
| Decimal part | 2 | hundredth | 2/100 |
| Decimal part | 1 | thousandth | 1/1000 |
What Kind of Decimal Is 1.321?
1.321 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 1.321
1.321 = 1 + 3/10 + 2/100 + 1/1000
1.321 = 1 + 321/1000
1.321 = 1 321/1000
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
Why 1321/1000 Is Already in Lowest Terms
There are 3 decimal places, so the exact fraction is 1321/1000.
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 1 321/1000.
1.321 as a Percentage
To convert 1.321 to a percentage, multiply it by 100.
1.321 × 100 = 132.1
Therefore, 1.321 = 132.1%.
Decimals Equivalent to 1.321
1.321 = 1.3210 = 1.32100
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 |
|---|---|---|---|
| 1.321 | thousandths | 1321/1000 | 1321/1000 |
| 1.3210 | ten-thousandths | 13210/10000 | 1321/1000 |
| 1.32100 | hundred-thousandths | 132100/100000 | 1321/1000 |
1.321 on a Number Line
1.321 lies between 1 and 2. It is 0.679 below 2 and 0.321 above 1.
11.3212
1.321 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.1321 | zero point one three two one | one thousand three hundred twenty-one ten-thousandths | 1321/10000 | 13.21% | ten times smaller than 1.321 |
| 1.321 | one point three two one | one and three hundred twenty-one thousandths | 1321/1000 | 132.1% | current value |
| 1.3210 | one point three two one zero | one and three thousand two hundred ten ten-thousandths | 1321/1000 | 132.1% | same numerical value, written to the ten-thousandths place |
| 13.21 | thirteen point two one | thirteen and twenty-one hundredths | 1321/100 | 1321% | ten times larger than 1.321 |
Quick Practice
How is 1.321 read digit by digit?
One point three two one.
What is the place-value word form of 1.321?
One and three hundred twenty-one thousandths.
What fraction is 1.321 in lowest terms?
1321/1000.
What percentage is equal to 1.321?
132.1%.
What is 1.321 as a mixed fraction?
1 321/1000.
Between which whole numbers does 1.321 lie?
Between 1 and 2.
Frequently Asked Questions
How do you write 1.321 in words?
1.321 in words is one point three two one.
Why is 1.321 called one and three hundred twenty-one thousandths?
Because the digit 3 is in the thousandths place. Therefore, 1.321 represents one and three hundred twenty-one thousandths.
What fraction is 1.321?
1.321 is 1321/1000 exactly and 1321/1000 in lowest terms.
Is 1321/1000 already in lowest terms?
Yes. Its numerator and denominator have a greatest common divisor of 1.
What percentage is 1.321?
1.321 is equal to 132.1%.
Is 1.321 the same as 1.3210?
Yes. 1.321 and 1.3210 have the same numerical value. However, 1.321 is written to the thousandths place, while 1.3210 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 1.321 larger than 0.1321?
Yes. 1.321 is ten times as large as 0.1321.
What type of decimal is 1.321?
1.321 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents one and three hundred twenty-one thousandths.