Modulo Calculator

Calculate the remainder of a division (modulo) instantly. Free online mod calculator for any numbers.

Modulo Calculator — Frequently Asked Questions

Modulo (mod) gives the remainder after dividing one number by another, e.g. 10 mod 3 = 1.

It is common in programming for cycles, even/odd checks, and hashing.

No, dividing by zero is undefined, so the divisor must be non-zero.