Printable measurement tool
Keep the common conversions close by.
Use this quick reference when a project, package label, recipe, or hardware specification gives you a unit you do not use every day.
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Measurement and conversion reference
Reference only
Check product specifications when precision matters.
Length
| 1 foot | 12 inches |
|---|---|
| 1 yard | 3 feet |
| 1 mile | 5,280 feet |
| 1 inch | 25.4 mm |
| 1 meter | 100 cm or 1,000 mm |
| 1 kilometer | 1,000 meters |
Mass and weight labels
| 1 pound | 16 ounces |
|---|---|
| 1 ounce | 28.35 grams |
| 1 kilogram | 1,000 grams |
| 1 kilogram | 2.2046 pounds |
| 1 pound | 0.4536 kilograms |
Mass and volume are different. Do not convert ounces to fluid ounces without knowing the material.
U.S. liquid volume
| 1 tablespoon | 3 teaspoons |
|---|---|
| 1 cup | 8 fluid ounces |
| 1 pint | 2 cups |
| 1 quart | 2 pints |
| 1 gallon | 4 quarts |
| 1 liter | 1,000 milliliters |
Temperature
Fahrenheit to Celsius: (°F − 32) × 5/9
Celsius to Fahrenheit: (°C × 9/5) + 32
Examples: 32°F = 0°C; 68°F = 20°C; 212°F = 100°C.
Common inch fractions
| 1/8 | 0.125 | 5/8 | 0.625 |
|---|---|---|---|
| 1/4 | 0.25 | 3/4 | 0.75 |
| 3/8 | 0.375 | 7/8 | 0.875 |
| 1/2 | 0.5 | 1/16 | 0.0625 |
Fastener terms
- Diameter: approximate width of the threaded body.
- TPI: threads per inch, used in many U.S. specifications.
- Pitch: distance between metric thread crests.
- Length: measured according to the fastener’s head style and standard.
- Reminder: do not force mismatched threads or substitute hardware in safety-critical work.
Use with care: units must describe the same kind of measurement before they can be compared or used in a formula. This sheet is a quick reference, not a product specification or professional approval. Method reviewed September 29, 2026.
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