Find the Rounding Place
Locate the whole-number, tenths, hundredths, or thousandths place requested by the problem.
Free Interactive Math Tool
Rounding Decimals Practice
Identify the rounding place, inspect the digit immediately to its right, decide whether to keep or increase the rounding digit, and enter the rounded decimal.
Learn How to Round Decimals
Review rounding places, deciding digits, number-line reasoning, trailing zeros, and regrouping when the rounding digit is 9.
Read the Rounding Decimals GuideHow It Works
Round Using Place Value
Rounding replaces a decimal with a nearby value that is easier to use. The digit immediately to the right of the rounding place tells you which nearby value is closer.
Look One Place Right
The digit immediately to the right determines whether the rounding digit stays the same or increases.
Keep It or Add One
Digits from 0 through 4 keep the rounding digit. Digits from 5 through 9 increase it by one.
Write the Rounded Value
Remove digits beyond the requested place and check whether the result is one of the two nearest benchmark values.
Interactive Practice
Round the Decimal
Correct
0
Problems
0
Streak
0
Round to the Nearest Tenth
Medium
8.472
Round 8.472 to the nearest tenth.
Read the Digits
Find the Rounding and Deciding Digits
Rounding digit
Deciding digit
Ones
8
Tenths
4
Hundredths
7
Thousandths
2
Look at the digit immediately to the right of the tenths place.
Number-Line Visual
Which Benchmark Is Closer?
8.472 is between 8.4 and 8.5.
8.4
8.45
8.5
Make a Decision
What Should the Rounding Digit Do?
Decide whether the tenths digit should stay the same or increase by one.
Final Answer
Enter the Rounded Decimal
Current Problem
8.472
Round to the nearest tenth
Correct!
You rounded the decimal correctly.
8.472 → 8.5
The hundredths digit is 7, so the tenths digit increases from 4 to 5.
Remember
Decimal Rounding Rules
Look One Place Right
Only the digit immediately to the right of the rounding place determines what happens.
6.38 → nearest tenth
Digits 0–4: Keep It
When the deciding digit is less than 5, the rounding digit remains unchanged.
4.32 → 4.3
Digits 5–9: Add One
When the deciding digit is 5 or greater, increase the rounding digit by one.
7.68 → 7.7
Watch for Regrouping
If the rounding digit is 9, increasing it may carry into the place on its left.
4.996 → 5.00
Keep Learning
Understand Why Decimal Rounding Works
Review place values, benchmark numbers, number-line reasoning, rounding rules, trailing zeros, regrouping, and worked examples in the complete guide.
Read the Rounding Decimals Guide