Round 0.666 to 2 Decimal Places

Round 0.666 to 2 decimal places with step-by-step explanation of the rounding rules.

Round to decimal places
Answer: 0.666 ≈ 0.67
Step-by-Step Solution
Step 1 Understand Rounding

Rounding simplifies a number while keeping it close to the original value.


The rule: Look at the digit to the RIGHT of where you're rounding.

• If it's 5 or greater: round UP (increase the digit)

• If it's less than 5: round DOWN (keep the digit the same)

Step 2 Identify the Deciding Digit

We want to round 0.666 to the 2 decimal places.


The deciding digit (the one to the right of our rounding position) is: 6

Step 3 Apply the Rounding Rule

The deciding digit is 6.


Since 6 is 5 or greater, we round UP.


0.666 rounded to 2 decimal places = 0.67

Step 4 Verify the Result

Original number: 0.666

Rounded result: 0.67


The difference is 0.0040000000, which confirms our rounding is correct.


The rounded value is as close as possible to the original while having only 2 decimal places.