Fahrenheit Celsius Observation -459.67°F -273.15°C Absolute zero, the coldest possible temperature -418°F -250°C Temperatures found in cryogenic applications -376°F -226.7°C Boiling point of neon -362°F -219.0°C Boiling point of hydrogen -356°F -215.6°C Boiling point of helium -320.8°F -196°C Boiling point of liquid nitrogen -297.4°F -183°C Boiling point of liquid oxygen -238°F -150°C Temperatures found in … Read more
Converting luminous intensity from candela to lumens is essential for accurate photometry and lighting system design. This conversion helps professionals determine total light output, considering beam angle, formulas, examples, and applications. Candela to Lumens Calculator Intensity (cd): Beam Angle (°): Copy Share Reset How is the conversion calculated? Luminous flux in lumens is calculated using: … Read more
Converting BTU per hour (BTU/hr) to kilowatts (kW) is essential for HVAC professionals, engineers. Accurate conversion ensures proper system sizing, energy efficiency analysis, and compliance with regulatory standards effectively. BTU/hr to kW Calculator BTU/hr: Decimal Places: 123 Copy Reset What is BTU/hr? BTU/hr (British Thermal Units per hour) measures thermal energy transfer per hour. Conversion … Read more
Understanding circle geometry is essential across fields like engineering, architecture, physics, mathematics, and technical design. This guide explores formulas for calculating circle area and circumference, including detailed explanations, examples, applications. Circle Area & Circumference Calculator Radius (r): Unit: cmminchft Copy Reset How is the area calculated? Area = π × r², where r is the … Read more
Understanding a circle’s radius is essential in geometry, engineering, physics, mathematics, design, architecture, and computer graphics. This guide explores technical methods for calculating, applying, and analyzing radius, including formulas, examples, and applications. Circle Radius Calculator Circumference (C): Diameter (D): Reset How is the radius calculated? If you know the circumference: R = C / (2π). … Read more