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Unit Converter – Length, Weight & Temperature

Use Calcuron’s free unit converter to quickly convert between common units for length, weight, and temperature. Choose a category, pick your units, and enter a value – your result appears instantly.

📏 Length: meters, feet, miles & more ⚖️ Weight: kg, lb, oz & more 🌡 Temperature: °C, °F, K

Convert units

Select a category (length, weight, or temperature), choose the “from” and “to” units, and enter a numeric value.

Choose a category, units, and value, then click “Convert”.

Supported units

Length (converted internally via meters):

  • Meters (m)
  • Kilometers (km)
  • Feet (ft)
  • Miles (mi)

Weight (converted internally via kilograms):

  • Kilograms (kg)
  • Grams (g)
  • Pounds (lb)
  • Ounces (oz)

Temperature (converted via Celsius as a base):

  • Celsius (°C)
  • Fahrenheit (°F)
  • Kelvin (K)

How the converter works

For length and weight, values are first converted into a base unit (meters or kilograms), then into the target unit. For temperature, values are converted through Celsius using standard formulas between °C, °F, and K.

Everything runs locally in your browser. Your inputs are never sent to a server or stored anywhere.