Probability Calculator - Calculate Odds & Chance
Calculate probability, odds, and percentage chance of events. Find the likelihood of favorable outcomes with detailed visualizations.
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Calculate Probability
Quick Examples:
🎲 About Probability
• Formula: P(Event) = Favorable Outcomes ÷ Total Outcomes
• Range: Probability is always between 0 and 1 (0% to 100%)
• P = 0: Event is impossible
• P = 1: Event is certain
• Complement: P(not Event) = 1 - P(Event)
• Examples: Dice rolls, card draws, lottery, weather forecasting
How to Use Probability Calculator
- 1
Enter the number of favorable outcomes.
- 2
Enter the total possible outcomes.
- 3
Click "Calculate" to get probability, percentage, and odds.
- 4
View visual representation of the probability.
Frequently Asked Questions
What is probability?▾
Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1 (or 0% to 100%). Formula: P(Event) = Favorable Outcomes / Total Outcomes.
How do I calculate odds?▾
Odds are expressed as favorable:unfavorable outcomes. For example, if probability is 1/4, odds are 1:3.
What is a complement?▾
The complement of an event is the probability that the event does not occur. P(not Event) = 1 - P(Event).
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