Calculators for rigging, loading and site work.

• Sling Load CalculatorTension in each sling leg from load, spread and hook height.
• Container BalanceWhere to place items so a container's load is balanced.
• Weight ConversionConvert a weight between lb, kg and tons.
• Material CalculatorWeight of steel sections and bulk materials, as a load list.
• Pressure ConversionConvert a pressure between psi, bar, kPa and more.
• Bolt Torque ValuesTightening torque by bolt size, grade and finish.
• Power CalculationsVolts, amps, kVA, generator size and horsepower.