643 Rounded to the Nearest Ten

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What is 643 rounded to the nearest ten?

Answer

643 rounded to the nearest ten is
640

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

643

4 tens place 3 The ones digit decides

643
640closer 645midpoint 650

3 < 5 → keep 640

643 rounded to every place
PlaceRounded
to the nearest thousandth643.000
to the nearest hundredth643.00
to the nearest tenth643.0
to the nearest whole number643
to the nearest ten640
to the nearest hundred600
to the nearest thousand1,000

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Numbers rounded to the nearest ten

NumberRounded
610610
612610
614610
615620
617620
623620
625630
629630
630630
634630
635640
637640
638640
640640
642640
643640
644640
645650
646650
648650
650650
652650
654650
655660
658660
663660
665.3670
671670
673670
675680

FAQ

What is 643 rounded to the nearest ten?

643 rounded to the nearest ten is 640

Is 643 closer to 640 or 650?

643 is 3 from 640 and 7 from 650, so it is closer to 640 — that is 643 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 — 643 → 640.

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