315 Rounded to the Nearest Ten

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What is 315 rounded to the nearest ten?

Answer

315 rounded to the nearest ten is
320

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

Exactly halfway between 310 and 320 — equally close to both. The halfway rule rounds away from zero, as in school and Excel ROUND: 320. Round half to even (banker's rounding) gives 320.

315

1 tens place 5 The ones digit decides

315
310 320halfway → away from zero

midpoint 315

5 with only zeros after it → halfway, away from zero: 320

315 rounded to every place
PlaceRounded
to the nearest thousandth315.000
to the nearest hundredth315.00
to the nearest tenth315.0
to the nearest whole number315
to the nearest ten320
to the nearest hundred300
to the nearest thousand0

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Recalculate with different values ↑

Numbers rounded to the nearest ten

NumberRounded
289290
293290
294290
295300
296300
300300
300.7300
302300
304300
305310
307310
308310
312310
313310
314310
315320
317320
317.3320
319320
320320
321320
323320
324320
325330
326330
329330
331330
332330
333.3330
338340

FAQ

What is 315 rounded to the nearest ten?

315 rounded to the nearest ten is 320

Is 315 closer to 310 or 320?

Equally close — 5 from each. The halfway rule rounds away from zero, to 320; round half to even (banker's rounding) gives 320.

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

At least 1: every digit right of the tens place becomes 0 and the decimals are dropped — 315 → 320.

See Also