Rounding Calculator

🎯 Rounding Calculator

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Result: –

📘 How to use

1 Type any number (e.g. 3.1416)

2 Choose precision type:

  • 🔹 Decimal – tenths, hundredths…
  • 🔸 Whole number – tens, hundreds…
  • 🔹 Fraction – 1/2, 1/4, 1/8…

3 Pick exact precision from dropdown

4 Select rounding mode

  • 🔄 Nearest, Up, Down, Half‑Up, Half‑Down

5 Click Calculate

✨ Example: 3.14159 → Decimal → Hundredths (2) → Nearest → 3.14

📋 Rounding Cheat Sheet

Nearest → 0.5 rounds up
Up (Ceil) → always up
Down (Floor) → always down
Half Up → half away from zero
Half Down → half toward zero
Fraction → 1/2, 1/4…

💡 Did you know?

Rounding 0.5 to nearest even is called “bankers rounding”.

Quick Round

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