Permutations With Repetition Calculator for ratio, fraction, and whole-number cleanup when you want a fixed formula answer without improvising the math by hand.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
count = n^rIf each of r positions can be filled by any of n choices and repeats are allowed, raise n to the r power.
Order matters on this page, unlike combinations.
Keep more precision when the output will feed another formula, drawing, coordinate step, or comparison rather than being rounded once and left alone.
Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.