Conversion Chart
The Conversion Chart is a reference tool covering unit conversion chart, measurement conversion chart, metric to imperial conversion chart, cooking conversion chart. Use the chart below to look up values instantly. Printable and downloadable versions are available on this page.
Universal Unit Converter
Select a category and units, enter a value, and get an instant conversion.
Length Conversion Chart
| Unit | mm | cm | m | km | inches | feet | miles |
|---|---|---|---|---|---|---|---|
| 1 millimetre | 1 | 0.1 | 0.001 | 0.000001 | 0.03937 | 0.003281 | 0.000000621 |
| 1 centimetre | 10 | 1 | 0.01 | 0.00001 | 0.3937 | 0.03281 | 0.00000621 |
| 1 metre | 1,000 | 100 | 1 | 0.001 | 39.37 | 3.2808 | 0.000621 |
| 1 kilometre | 1,000,000 | 100,000 | 1,000 | 1 | 39,370 | 3,280.8 | 0.6214 |
| 1 inch | 25.4 | 2.54 | 0.0254 | 0.0000254 | 1 | 0.0833 | 0.0000158 |
| 1 foot | 304.8 | 30.48 | 0.3048 | 0.0003048 | 12 | 1 | 0.000189 |
| 1 yard | 914.4 | 91.44 | 0.9144 | 0.0009144 | 36 | 3 | 0.000568 |
| 1 mile | 1,609,344 | 160,934 | 1,609.3 | 1.6093 | 63,360 | 5,280 | 1 |
Source: NIST — National Institute of Standards and Technology
For a complete feet-and-inches to centimetres reference specifically for human height, including average height by country and a visual comparison tool, see the height comparison chart.
Weight and Mass Conversion Chart
| Unit | Milligrams | Grams | Kilograms | Ounces | Pounds |
|---|---|---|---|---|---|
| 1 milligram | 1 | 0.001 | 0.000001 | 0.0000353 | 0.0000022 |
| 1 gram | 1,000 | 1 | 0.001 | 0.03527 | 0.002205 |
| 1 kilogram | 1,000,000 | 1,000 | 1 | 35.274 | 2.2046 |
| 1 ounce | 28,349.5 | 28.35 | 0.02835 | 1 | 0.0625 |
| 1 pound | 453,592 | 453.59 | 0.4536 | 16 | 1 |
Source: NIST — National Institute of Standards and Technology
Volume and Liquid Conversion Chart
| Unit | mL | Litres | Teaspoons | Tablespoons | Fluid Ounces | Cups | US Gallons |
|---|---|---|---|---|---|---|---|
| 1 teaspoon (US) | 4.929 | 0.00493 | 1 | 0.333 | 0.1667 | 0.0208 | 0.001302 |
| 1 tablespoon (US) | 14.787 | 0.01479 | 3 | 1 | 0.5 | 0.0625 | 0.003906 |
| 1 fluid ounce (US) | 29.574 | 0.02957 | 6 | 2 | 1 | 0.125 | 0.007813 |
| 1 cup (US) | 236.59 | 0.2366 | 48 | 16 | 8 | 1 | 0.0625 |
| 1 pint (US) | 473.18 | 0.4732 | 96 | 32 | 16 | 2 | 0.125 |
| 1 litre | 1,000 | 1 | 202.88 | 67.63 | 33.81 | 4.227 | 0.2642 |
| 1 US gallon | 3,785.4 | 3.785 | 768 | 256 | 128 | 16 | 1 |
Source: NIST — National Institute of Standards and Technology
Temperature Conversion Chart
| Reference Point | Fahrenheit | Celsius |
|---|---|---|
| Absolute zero | −459.67°F | −273.15°C |
| F and C are equal | −40°F | −40°C |
| Water freezes | 32°F | 0°C |
| Body temperature (normal) | 98.6°F | 37°C |
| Room temperature | 68–72°F | 20–22°C |
| Water boils (sea level) | 212°F | 100°C |
| Oven low heat | 325°F | 163°C |
| Oven high heat | 450°F | 232°C |
Conversion Formulas
°F to °C — (°F − 32) × 5 ÷ 9
°C to °F — (°C × 9 ÷ 5) + 32
Source: NIST — National Institute of Standards and Technology
Universal Unit Converter
Convert between length, weight, volume, temperature, speed, area, and time — all in one place. Enter a value, select your units, and copy the result instantly.
Frequently Asked Questions
How many cm in an inch?
1 inch = 2.54 centimetres exactly. This is a defined conversion.
How many mm in an inch?
1 inch = 25.4 mm exactly.
How do you convert Fahrenheit to Celsius?
Use the formula: subtract 32 from the Fahrenheit value then multiply by 5 divided by 9. Example: 98.6°F minus 32 = 66.6, times 5/9 = 37°C.
How many grams in an ounce?
1 ounce = 28.3495 grams.
How many pounds in a kilogram?
1 kilogram = 2.2046 pounds. Rounded: 1 kg ≈ 2.2 lbs.
How many cups in a litre?
1 litre = approximately 4.227 US cups.
How many feet in a mile?
1 mile = 5,280 feet exactly. This is a defined US customary unit.
How many km in a mile?
1 mile = 1.60934 kilometres.