Instant unit swap
Reverse the source and destination units without re-entering values.
UnitFlow • Measurement conversion
⇄Unit Converter: Length, Weight and Temperature
Convert common length, mass and temperature values with visible units.
Top toolThree ways it saves you time
Pinned conversions
Keep useful results beside the calculator during the current session.
Three unit families
Convert length, mass and temperature with useful precision.
1 m equals
3.281 ftUsing this tool
Start with the correct unit family
Choose a measurement category, select the starting and destination units, then enter a value. UnitFlow updates the converted result immediately.
Reading the output
Precision should match the input
Kilograms and temperature
Ten kilograms is approximately 22.046 pounds. For temperature, 20°C equals 68°F because temperature conversion includes an offset as well as a scale.
Scale factors and offsets
Most length and mass conversions multiply through a shared base unit. Temperature uses °F = (°C × 9/5) + 32 and °C = (°F − 32) × 5/9.
Watch for ambiguous unit names
- Keep extra decimals during calculation and round only the final result.
- Confirm whether a recipe uses fluid ounces or weight ounces.
- For regulated or engineering work, use the precision required by the applicable standard.
Before relying on the result
Temperature and decimal places
Why is temperature conversion different?
Celsius and Fahrenheit have different zero points, so the formula needs both multiplication and an offset.
How many decimals should I keep?
That depends on the input accuracy. Avoid reporting more precision than the original measurement supports.