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FyndCalc
Measurement•Fast conversions for length, mass, temperature, speed, and digital memory
Metric & Imperial

Universal Unit Converter

Metric and Imperial conversions with immediate mathematical accuracy

6,213712

Metric vs Imperial Conversion Quick Reference

The International System of Units (SI Metric) is decimal-based (powers of 10), while the Imperial and US Customary systems use historical ratios (12 inches in a foot, 16 ounces in a pound).

1 inch = 2.54 cm
1 mile = 1.609 km
1 kg = 2.20462 lbs
0°C = 32°F = 273.15K
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