# How do you round to the nearest whole number in Java?

Contents

The Math. round() method in Java is used to round a number to its​ closest integer. This is done by adding 1 / 2 1/2 1/2 to the number, taking the floor of the result, and casting the result to an integer data type.

## How do you round a whole number to the nearest whole number?

To round a number to the nearest whole number, you have to look at the first digit after the decimal point. If this digit is less than 5 (1, 2, 3, 4) we don’t have to do anything, but if the digit is 5 or greater (5, 6, 7, 8, 9) we must round up.

## What is 99.7 rounded to the nearest whole number?

8. 99.7 rounded to the nearest whole number is 9. 50.9 rounded to the nearest whole number is 10.

## What is 37.5 rounded to the nearest whole number?

37.5 Rounded to the Nearest Whole Number

Number Rounded to Nearest Whole Number
37.5 38
38.5 39
39.5 40
40.5 41

## What is 4.51 rounded to the nearest whole number?

4.51 Rounded to the Nearest Whole Number

Number Rounded to Nearest Whole Number
4.51 5
5.51 6
6.51 7
7.51 8

## What is 52.81 rounded to the nearest whole number?

Therefore, we have to round up: the whole number part of 52.81, 52, increases by 1 to 53, and the decimal point and all digits (.

52.81 Rounded to the Nearest Whole Number.

Number Rounded to Nearest Whole Number
52.81 53
53.81 54
54.81 55
55.81 56

## How do you round to 2 decimal places?

Rounding to decimal places

1. look at the first digit after the decimal point if rounding to one decimal place or the second digit for two decimal places.
2. draw a vertical line to the right of the place value digit that is required.
3. look at the next digit.
4. if it’s 5 or more, increase the previous digit by one.

## How do you round to 2 decimal places in math?

For example, if you want to round 0.507 to 1 decimal place, you multiply by 10 to get 5.07, round to get 5, then divide by 10 to get 0.5. Or, if you want to round 0.2345 to two decimal places, you need to round 23.45 (0.2345*100), then divide the result (23) by 100 to get 0.23.

## How do you round to 2 decimal places in Java?

1. double roundOff = Math.round(a * 100.0) / 100.0; Output is.
2. 123.14. Or.
3. double roundOff = (double) Math. round(a * 100) / 100; this will do it for you as well.

## Is 99.7 a whole number?

7) are removed.

99.7 Rounded to the Nearest Whole Number.

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Number Rounded to Nearest Whole Number
99.7 100
100.7 101
101.7 102
102.7 103

## What is 37.5 rounded to the nearest tenth?

Therefore, the tenths value of 37.5 increases by 1 to 6. The following table contains starting numbers close to 37.5 rounded to the nearest 10th.

37.5 Rounded to the Nearest Tenth.

Number Rounded to Nearest 10th
37.5 37.5
37.6 37.6
37.7 37.7
37.8 37.8

## What is 3/8 as a whole number?

3 / 8 = 0.375

If you insist on converting 3/8 to a whole number, the best we can do is round the decimal number up or down to the nearest whole number.

## What is 37.5 rounded to the nearest hundredth?

Therefore, the hundredths’ value of 37.5 remains . The following table contains starting numbers close to 37.5 rounded to the nearest 10th.

37.5 Rounded to the Nearest Hundredth.

Number Rounded to Nearest 100th
37.5 37.5
37.501 37.5
37.502 37.5
37.503 37.5