Take the worst possible estimate you can come up with. Multiply by 3.

Usually ends up pretty close in my case at least.

  • 2
    Estimate = (initial_guess * π) / 1.74

    It's been accurate more times then not 😏
  • 1
    The official formula for juniors and when under pressure in a meeting is next bigger unit times two.

    You think it will take just a day - it actually will be two weeks.
  • 0
    Had someone tell me this once when I was scoping some work out for her. She was spot on too.
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