🧮 Unit & Percentage Calculator

Convert units and calculate percentages instantly. Perfect for students, professionals, and everyday use.

Percentage Calculator

What is X% of Y?

What is % of
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0

X is what percent of Y?

is what % of
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0%

Percentage Increase/Decrease

From to
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0%

X plus Y%

plus %
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0

X minus Y%

minus %
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0

Unit Converter

📏
Length
Meters, feet, inches, etc.
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Weight
Kilograms, pounds, ounces
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Time
Hours, minutes, seconds
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Data
Bytes, KB, MB, GB
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Enter a value to convert

Quick Reference Guide

Common Percentages

  • 10% = 0.1
  • 25% = 0.25 (1/4)
  • 50% = 0.5 (1/2)
  • 75% = 0.75 (3/4)
  • 100% = 1.0

Length Conversions

  • 1 meter = 3.28 feet
  • 1 inch = 2.54 cm
  • 1 mile = 1.61 km
  • 1 yard = 0.91 meters

Weight Conversions

  • 1 kg = 2.20 lbs
  • 1 lb = 16 oz
  • 1 oz = 28.35 grams
  • 1 stone = 14 lbs

Data Conversions

  • 1 KB = 1,024 bytes
  • 1 MB = 1,024 KB
  • 1 GB = 1,024 MB
  • 1 TB = 1,024 GB