Modulo Calculator
Find the remainder when one number is divided by another.
Result
Results are estimates for general information only and are not professional advice.
The modulo operation
The modulo (mod) operation returns the remainder after dividing one number by another. For example, 17 mod 5 is 2. It is widely used in programming, number theory and finding cycles. This calculator returns both the quotient and the remainder.
Frequently Asked Questions
What is the Modulo Calculator?
Find the remainder when one number is divided by another. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Modulo Calculator?
The Modulo Calculator asks for the following values (2): Dividend (a), Divisor (b). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Modulo Calculator?
The Modulo Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Modulo Calculator free, and do I need an account?
Yes. The Modulo Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.