Round 1.41421 to 3 Decimal Places
Round 1.41421 to 3 decimal places with step-by-step explanation of the rounding rules.
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)
We want to round 1.41421 to the 3 decimal places.
The deciding digit (the one to the right of our rounding position) is: 2
The deciding digit is 2.
Since 2 is less than 5, we round DOWN.
1.41421 rounded to 3 decimal places = 1.414
Original number: 1.41421
Rounded result: 1.414
The difference is 0.0002100000, which confirms our rounding is correct.
The rounded value is as close as possible to the original while having only 3 decimal places.