Convert between fuel efficiency units based on mass including g/kWh, lb/hp·hr, and more. Essential for automotive engineering and fuel analysis.
International System of Units (SI) measurements
Traditional British and American measurements
Unit measurements
Try combining multiple tools for a complete workflow. For example: Notepad → Text Encryption → Save to Cloud or Date Calculator → Calendar → Countdown Timer
Convert text to Base64 format and decode Base64 strings
Format, validate, and minify JSON data with syntax highlighting and error detection
Convert between YAML and JSON formats with validation and formatting
Convert between heat transfer coefficient units including W/m²·K, BTU/hr·ft²·°F, cal/s·cm²·°C, and more. Perfect for engineering, HVAC, construction, and thermal analysis
Convert between fuel efficiency units based on volume including L/100km, mpg, and more. Essential for automotive engineering and fuel analysis
Convert between temperature interval units including K, °C, °F, and °R. Essential for thermodynamics and temperature difference calculations
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