21 Rounded to the Nearest Hundred

Rounding Calculator
Round
to the

What is 21 rounded to the nearest hundred?

Answer

21 rounded to the nearest hundred is
0

Nearest hundred — the tens digit decides: 5⁠–⁠9 round up, 0⁠–⁠4 keep; digits to the right become 0.

21 is closer to 0 than to 100, so it rounds to 0.

021

0 hundreds place (not written, so 0) 2 The tens digit decides

21
0closer 50midpoint 100

2 < 5 → rounds to 0

21 rounded to every place
PlaceRounded
to the nearest thousandth21.000
to the nearest hundredth21.00
to the nearest tenth21.0
to the nearest whole number21
to the nearest ten20
to the nearest hundred0

Related Calculations

See Also

Recalculate with different values ↑

Numbers rounded to the nearest hundred

NumberRounded
20
30
70
100
120
130
140
150
170
180
200
210
220
230
240
250
260
270
280
290
300
320
340
350
360
370
380
390
400
420

FAQ

What is 21 rounded to the nearest hundred?

21 rounded to the nearest hundred is 0

Is 21 closer to 0 or 100?

21 is 21 from 0 and 79 from 100, so it is closer to 0 — that is 21 rounded to the nearest hundred.

How many zeros does rounding to the nearest hundred leave at the end?

None here: 21 rounds to 0 itself. Otherwise at least 2: every digit right of the hundreds place becomes 0.

See Also