ROUND rounds to a number of decimal places; MROUND rounds to the nearest multiple of any value — nearest 5 cents, nearest 50, nearest quarter hour. Between them they cover almost every rounding need.
The example
The same value rounded different ways.
| A | B | C | |
|---|---|---|---|
| 1 | Value | ROUND(,2) | MROUND(,25) |
| 2 | 86.473 | 86.47 | 75 |
| 3 | 112.50 | 112.50 | 125 |
The formula
Two common forms:
How it works
Pick the function by what you’re snapping to:
ROUND(A2, 2)keeps 2 decimal places —86.473becomes86.47. Use a negative second argument to round left of the decimal:ROUND(A2, -1)rounds to the nearest 10.MROUND(A2, 25)snaps to the nearest multiple of 25 —86.473is closer to 75 than 100, so it returns75.- Both round half away from zero (5 rounds up), unlike banker’s rounding.
Rounding for display vs for math. Number formatting only changes what you see — the underlying value is unchanged. ROUND changes the actual stored value, which matters when later formulas use it.
Try it: interactive demo
Enter a value and choose how to round it.
Variations
Round to the nearest 10 / 100
Use a negative decimal count with ROUND:
Round time to the nearest 15 minutes
MROUND with a time value:
Price ending in .99
Round down to a whole dollar, then subtract a cent:
Pitfalls & errors
Formatting isn’t rounding. Showing 2 decimals with cell formatting leaves the true value full-precision; sums can then look “wrong” by a cent. Use ROUND when the stored value must match what’s shown.
MROUND #NUM! The value and the multiple must have the same sign. =MROUND(-10, 3) errors; use MROUND(-10, -3).
ROUND vs ROUNDUP/ROUNDDOWN. ROUND goes to the nearest; if you always need to go up or down regardless, use ROUNDUP or ROUNDDOWN instead.
Practice workbook
Frequently asked questions
How do I round to the nearest number in Excel?
What's the difference between ROUND and MROUND?
Why does my total look off by a penny after rounding?
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