📊 Fundamental Counting Principle Calculator
Calculate total outcomes for sequential events
How to Use This Calculator
1
Enter Choices
Type number of choices for each step, separated by commas.
2
Get Total
See total possible combinations.
Fundamental Counting Principle
Total = n₁ × n₂ × n₃ × ... × nₖ
Example: 3 shirts × 5 pants × 2 shoes
Total outfits = 3 × 5 × 2 = 30
About Fundamental Counting Principle Calculator
The Fundamental Counting Principle states that if there are m ways to do one thing and n ways to do another, there are m × n ways to do both together. Multiply choices for each step.
When to Use This Calculator
- Permutations: Count sequences of choices
- Combinations: Calculate total outcomes
- Probability: Find sample space size
Why Use Our Calculator?
- ✅ Instant Results: Calculate quickly
- ✅ Educational: Learn counting principle
- ✅ Completely Free: No registration required
Frequently Asked Questions
What is the fundamental counting principle?
Multiply the number of choices at each step to get total outcomes. If you have 3 ways for A and 2 ways for B, there are 3 × 2 = 6 total ways.