Imperial ↔ Metric Converter
Length, weight, temperature & volume.
About this calculator
Product specs, recipes and travel guides constantly mix imperial and metric units. This converter handles all four everyday categories — length, weight, temperature and volume — with a tabbed layout that keeps each one simple.
Type a value, pick the source unit, and see it converted into every unit in that category at once: inches, centimeters, feet, meters, miles and kilometers for length; pounds, kilograms, ounces and grams for weight; °F and °C for temperature; gallons, liters, milliliters and fluid ounces for volume.
How to use
- Pick the Length, Weight, Temp or Volume tab.
- Enter your value and select the unit it is in.
- Read the converted values for every unit in that tab.
- Switch tabs anytime — each keeps its own input.
Frequently asked questions
Which gallon is used for volume?
The US liquid gallon (3.785 liters), the standard in recipes and fuel measurements.
How is temperature converted?
°C = (°F − 32) × 5/9 and °F = (°C × 9/5) + 32 — the exact standard formulas.
Are miles statute miles?
Yes — 1 mile = 1.609 km (1,609.34 meters), the standard international mile.
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