Convert length, weight, volume, and temperature with clear formulas and consistent rounding. Runs locally in your browser.
Added Apr 18, 2026 · Updated May 1, 2026
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Converts between length, weight, volume, and temperature units using standard conversion factors. Supports both metric and imperial systems.
1 meter equals approximately 3.28084 feet.
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100 degrees Celsius (the boiling point of water) equals exactly 212°F.
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1 kilogram equals approximately 2.20462 pounds.
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Use the formula: °F = (°C × 9/5) + 32. For example, 100°C = (100 × 9/5) + 32 = 212°F.
There are approximately 3.28084 feet in 1 meter.
Cup and tablespoon definitions differ slightly between US customary, imperial, and metric systems. This tool uses common US definitions for kitchen volumes; use metric weights for baking when precision matters.
Celsius and Fahrenheit have different zero points and step sizes, so you cannot multiply by a single factor like you do for meters to feet. Kelvin shares Celsius-sized steps but starts at absolute zero.
For learning and everyday estimates only. Mission-critical conversions should use validated references, calibrated instruments, and procedures approved for your industry or jurisdiction.