Ceiling Calculator

Use our free ceiling calculator to round any number up (toward positive infinity) to a specified number of decimal places. Shows the original, the ceiling value, the difference, and whether the value changed.

Math

Number

Decimal Places

Formula

Round up to the nearest specified decimal place. The ceiling is the smallest number that is greater than or equal to the original, at the given precision.

ceil(x, n) = smallest number ≥ x with n decimal places

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Enter a number.
2Choose decimal places (0 = nearest integer).
3Click Calculate.

Examples

ceil(3.14, 0)

1.3.14 → 4 (round up to nearest integer)

Result: 4

ceil(3.14, 1)

1.3.14 → 3.2 (round up to 1 decimal)

Result: 3.2

Frequently Asked Questions

The ceiling of a number is the smallest integer (or decimal-place value) that is greater than or equal to it.

Ceiling always rounds up (toward +∞), while standard rounding can go either direction.

For negative numbers, ceiling moves toward zero: ceil(-3.14) = -3.

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CalculateMe Team

Last updated: 2026-07-15

Ceiling Calculator

Formula

How It Works

Examples

ceil(3.14, 0)

ceil(3.14, 1)

Frequently Asked Questions

What is the ceiling function?

How is ceiling different from rounding?

What about negative numbers?

Related Calculators

Ceiling Calculator

Formula

How It Works

Examples

ceil(3.14, 0)

ceil(3.14, 1)

Frequently Asked Questions

What is the ceiling function?

How is ceiling different from rounding?

What about negative numbers?

Related Calculators