399 Rounded to the Nearest Ten

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What is 399 rounded to the nearest ten?

Answer

399 rounded to the nearest ten is
400

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

399

9 tens place 9 The ones digit decides

399
390 395midpoint 400closer

9 ≥ 5 → round up: 400

399 rounded to every place
PlaceRounded
to the nearest thousandth399.000
to the nearest hundredth399.00
to the nearest tenth399.0
to the nearest whole number399
to the nearest ten400
to the nearest hundred400
to the nearest thousand0

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Recalculate with different values ↑

Numbers rounded to the nearest ten

NumberRounded
363360
364360
365370
369370
372370
374370
375380
376380
378380
381380
382380
384380
386390
395400
398.223400
399400
400400
402400
405410
407410
408410
412410
415420
416420
417420
417.3420
423420
424420
425.5430
427430

FAQ

What is 399 rounded to the nearest ten?

399 rounded to the nearest ten is 400

Is 399 closer to 390 or 400?

399 is 9 from 390 and 1 from 400, so it is closer to 400 — that is 399 rounded to the nearest ten.

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 — 399 → 400.

See Also