| Prefix | Symbol | Power | Factor |
|---|---|---|---|
| kilo | k | 10^3 | 1,000 |
| mega | M | 10^6 | 1,000,000 |
| giga | G | 10^9 | 1,000,000,000 |
| tera | T | 10^12 | 1,000,000,000,000 |
| milli | m | 10^-3 | 0.001 |
| micro | µ | 10^-6 | 0.000001 |
| nano | n | 10^-9 | 0.000000001 |
Tip: data storage uses both decimal (kB, MB) and binary (KiB, MiB) units.
| US | Metric |
|---|---|
| 1 inch (in) | 25.4 millimeters (mm) |
| 12 inches | 1 foot (ft) |
| 1 foot (ft) | 0.3048 meters (m) |
| 1 yard (yd) | 0.9144 meters (m) |
| 1 mile (mi) | 1.609344 kilometers (km) |
| 1 meter (m) | 3.28084 feet (ft) |
| 1 kilometer (km) | 0.621371 miles (mi) |
| US | Metric |
|---|---|
| 1 ounce (oz) | 28.349523125 grams (g) |
| 1 pound (lb) | 0.45359237 kilograms (kg) |
| 1 kilogram (kg) | 2.20462262 pounds (lb) |
| 1 gram (g) | 1000 milligrams (mg) |
| 1 kilogram (kg) | 1000 grams (g) |
| US | Metric |
|---|---|
| 1 teaspoon (tsp) | 4.92892159375 mL |
| 1 tablespoon (tbsp) | 14.78676478125 mL |
| 1 fluid ounce (fl oz) | 29.5735295625 mL |
| 1 cup | 236.5882365 mL |
| 1 pint (pt) | 473.176473 mL |
| 1 quart (qt) | 946.352946 mL |
| 1 gallon (US) | 3.785411784 liters (L) |
| 1 liter (L) | 33.8140227 fl oz |
| Decimal (SI) | Binary (IEC) |
|---|---|
| 1 kB = 1000 B | 1 KiB = 1024 B |
| 1 MB = 10^6 B | 1 MiB = 2^20 B |
| 1 GB = 10^9 B | 1 GiB = 2^30 B |
| 1 TB = 10^12 B | 1 TiB = 2^40 B |