Ceiling Function Calculator

Calculate the ceiling of a number, rounding up to the smallest integer greater than or equal to x.

Author

Dr. Samuel Okafor

Math editorial contributor

Nigerian-Canadian data scientist with a PhD from the University of Toronto, building ML models for early cancer detection

Reviewed by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

0 Number =

0 Ceiling Value

Representative value from the Ceiling Function Calculator reference table.

Reference Values

Browse 27 reference values with individual detail pages for quick lookup.

Browse all reference values

Ceiling Function Calculator

Calculate the ceiling of a number, rounding up to the smallest integer greater than or equal to x.

Calculated Result

Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Ceiling Function Calculator Reference
Numberceil(x)
-10.75 Number-10 Ceiling Value
-9.5 Number-9 Ceiling Value
-8.25 Number-8 Ceiling Value
-7.1 Number-7 Ceiling Value
-6.5 Number-6 Ceiling Value
-5.01 Number-5 Ceiling Value
-4.5 Number-4 Ceiling Value
-3.33 Number-3 Ceiling Value
-2.5 Number-2 Ceiling Value
-1.2 Number-1 Ceiling Value
-0.99 Number-0 Ceiling Value
-0.5 Number-0 Ceiling Value
-0.1 Number-0 Ceiling Value
0 Number0 Ceiling Value
0.1 Number1 Ceiling Value
0.5 Number1 Ceiling Value
0.99 Number1 Ceiling Value
1.2 Number2 Ceiling Value
2.5 Number3 Ceiling Value
3.33 Number4 Ceiling Value
4.5 Number5 Ceiling Value
5.01 Number6 Ceiling Value
6.5 Number7 Ceiling Value
7.1 Number8 Ceiling Value
8.25 Number9 Ceiling Value
9.5 Number10 Ceiling Value
10.75 Number11 Ceiling Value

Frequently Asked Questions

Common questions about Ceiling Function Calculator, formulas, and typical use cases.

What does the Ceiling Function Calculator calculator do?

It helps with rounding values up for capacity planning, counts, and discrete constraints.

What formula does the Ceiling Function Calculator calculator use?

ceil(x) rounds up to the smallest integer greater than or equal to x.

What inputs are valid?

Any finite number is valid.

When would I use this?

rounding values up for capacity planning, counts, and discrete constraints

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

Editorial metadata (author, reviewer, and update date) is rendered on the page and in structured data. See our editorial policy, review process, and corrections policy.

For compliance-sensitive work, verify final values against project requirements, governing standards, and manufacturer documentation.