🪙

Coin Flip

Flip a virtual coin to make decisions - simple heads or tails

Virtual Coin

HEADS
👑
TAILS
🦅
Click "Flip Coin" to start!

Flip Statistics

Total Flips 0
👑 Heads 0
(0%)
🦅 Tails 0
(0%)
Heads Tails

Quick Actions

Single Flip One coin toss
Best of 3 3 flips, majority wins
10 Flips Quick sequence
25 Flips Statistical sample
100 Flips Large sample
Probability Test 1000 flips

About Coin Flipping

How It Works

This virtual coin flipper uses cryptographically secure random number generation to ensure fair and unbiased results. Each flip has exactly a 50% chance of landing on heads or tails.

Common Use Cases

  • Decision Making: Choose between two options
  • Games: Starting player, game rules
  • Sports: Kickoff decisions, team selection
  • Settling Disputes: Fair, unbiased choice
  • Random Selection: Binary choices
  • Probability Teaching: Demonstrate randomness

Quick Actions Explained

  • Single Flip: One coin toss with animation
  • Best of 3: Flip 3 times, majority result wins
  • Multiple Flips: Fast sequential flipping
  • Probability Test: Large sample for statistical analysis

Probability & Statistics

  • Fair Coin: 50% probability for each side
  • Independence: Each flip is unaffected by previous results
  • Law of Large Numbers: More flips approach 50/50 ratio
  • No Memory: Past results don't influence future flips

Fun Facts

  • Ancient Practice: Coin flipping dates back thousands of years
  • Roman Origins: "Heads or ships" in ancient Rome
  • Sports Usage: Official method in many sports
  • Perfect Randomness: True randomness is surprisingly hard to achieve

Statistics Tracking

  • Total Count: Keep track of all flips
  • Percentages: See the distribution
  • Visual Bar: Graphical representation
  • Recent History: Last 20 flip results
  • Reset Option: Start fresh anytime

Technical Notes

  • True Random: Uses crypto.getRandomValues()
  • No Bias: Each outcome equally likely
  • Instant Results: Fast generation
  • Privacy: All flips happen locally