Probability Calculator Online | Chance & Odds Calculator
Free online probability calculator for calculating probabilities, chances, and odds for various scenarios including coin flips, dice rolls, card draws, and custom probability events. This comprehensive statistical probability tool provides instant results for probability theory calculations.
Typical Use Cases
Our probability calculator online serves as an essential tool for students, educators, researchers, and professionals working with statistical probability and chance calculations. Statistics students use this odds calculator for homework verification and learning probability theory concepts in mathematics and data science courses.
Data analysts and researchers rely on this chance calculator for risk assessment, quality control testing, and statistical modeling. Game designers use probability calculations to balance gameplay mechanics, while finance professionals apply this statistical probability tool for investment risk analysis and insurance premium calculations.
Formula
- Basic Probability: P(Event) = Number of favorable outcomes / Total number of possible outcomes
- Compound Probability: P(A and B) = P(A) × P(B) (for independent events)
- OR Probability: P(A or B) = P(A) + P(B) - P(A and B)
- Conditional Probability: P(A|B) = P(A and B) / P(B)