How do I use the Modulo Calculator?

Enter the dividend and divisor, then click Calculate. The tool will show the remainder and division breakdown.

Where is modulo used in real life?

Modulo is commonly used in programming, math puzzles, clock calculations, and scheduling cycles.

Can I divide by zero?

No. Modulo operation requires the divisor to be a non-zero number.

Modulo Calculator – Find Remainders Easily

Q: What is a modulo operation?

A modulo operation returns the remainder when one number is divided by another.

Find the remainder of a division with our easy-to-use modulo calculator — ideal for math and programming tasks.

Enter Number (Dividend)

Enter Divisor

Result

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What Is a Modulo Operation?

The modulo operation gives you the remainder after dividing one number by another. For example, 12 mod 5 is 2 because 12 ÷ 5 is 2 with a remainder of 2.

How to Use the Modulo Calculator

Enter the dividend (number to divide).
Enter the divisor.
Click "Calculate" to see the remainder and breakdown.

Real-Life Uses of Modulo

Programming logic (e.g. even/odd checks)
Time conversions (e.g. 130 minutes is 2 hours and 10 minutes)
Math homework and number theory
Scheduling and repeating intervals

Formula for Modulo

The modulo formula is:

a mod b = r

Where:

a = dividend
b = divisor
r = remainder

So, if a = 12 and b = 5, then 12 mod 5 = 2.