Floor and Ceiling
Calculate Floor and Ceiling instantly. Free online calculator with the exact formula, a worked example, and metric units. No signup required.
Floor and Ceiling
Number x
⌊x⌋ floor (round down)
3
⌊x⌋ floor
3
⌈x⌉ ceiling
4
round
4
trunc
3
More about: Floor and Ceiling
What it calculates
The “Floor and Ceiling” calculator computes ⌊x⌋ floor (round down) from 1 parameter: number x.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters Number x = 3.7 the result is 3 (Round down).
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.