| Unit | Equivalent | | :--- | :--- | | 1 second (s) | SI Base Unit | | 1 minute (min) | 60 seconds | | 1 hour (h) | 60 minutes (3,600 seconds) | | 1 day (d) | 24 hours | | 1 week (wk) | 7 days | | 1 year (yr) | 365 days (366 in a leap year) | | 1 decade | 10 years | | 1 century | 100 years | | 1 millennium | 1,000 years |
Measurement is the language of science, commerce, and daily life. Whether you are baking a cake, engineering a bridge, or calculating fuel efficiency, understanding the relationship between units is essential. This document serves as a complete reference chart for all major measurement systems, including the International System of Units (SI), the Imperial System, and US Customary Units. all measurement units chart pdf
| Scale | Symbol | Formula | |-------|--------|---------| | Celsius | °C | (F - 32) × 5/9 | | Fahrenheit | °F | (C × 9/5) + 32 | | Kelvin | K | C + 273.15 | | Unit | Equivalent | | :--- |
| Prefix | Symbol | Factor | Numerical Value | | :--- | :--- | :--- | :--- | | | Y | $10^24$ | 1 septillion | | Zetta | Z | $10^21$ | 1 sextillion | | Exa | E | $10^18$ | 1 quintillion | | Peta | P | $10^15$ | 1 quadrillion | | Tera | T | $10^12$ | 1 trillion | | Giga | G | $10^9$ | 1 billion | | Mega | M | $10^6$ | 1 million | | Kilo | k | $10^3$ | 1,000 | | Hecto | h | $10^2$ | 100 | | Deca | da | $10^1$ | 10 | | Base | (none) | $10^0$ | 1 | | Deci | d | $10^-1$ | 0.1 | | Centi | c | $10^-2$ | 0.01 | | Milli | m | $10^-3$ | 0.001 | | Micro | µ | $10^-6$ | 0.000001 | | Nano | n | $10^-9$ | 0.000000001 | | Pico | p | $10^-12$| 0.000000000001 | | Scale | Symbol | Formula | |-------|--------|---------|
| Unit | Symbol | Equivalent | |------|--------|-------------| | Milliliter | mL | 0.001 L | | Liter | L | 1 L | | Cubic meter | m³ | 1000 L | | Teaspoon | tsp | 4.9289 mL | | Tablespoon | tbsp | 14.7868 mL | | Fluid ounce | fl oz | 29.5735 mL | | Cup | cup | 236.588 mL | | Pint | pt | 473.176 mL | | Quart | qt | 946.353 mL | | Gallon | gal | 3.78541 L |
| Unit | Equivalent | | :--- | :--- | | 1 grain (gr) | 0.0023 oz (historical unit) | | 1 dram (dr) | 1/16 oz | | 1 ounce (oz) | 16 drams / 28.35 g | | 1 pound (lb) | 16 ounces | | 1 stone (st) | 14 pounds (UK usage) | | 1 US ton (short ton)| 2,000 lbs | | 1 Imperial ton (long ton)| 2,240 lbs |
Length is the measurement of distance. The following chart compares Metric units with Imperial/US Customary units.