🔧 其他
Freight Class Calculator
Determine NMFC freight class based on weight and dimensions.
Electricity Cost Calculator
Calculate electricity costs for appliances and monthly energy bills.
Solar Panel Calculator
Calculate how many solar panels you need and estimate energy savings.
Carbon Footprint Calculator
Estimate your carbon footprint from travel, home energy and lifestyle.
Wind Chill / Heat Index Calculator
Calculate the apparent temperature based on wind chill or heat index.