Torque Converter

• •Use the Torque Converter when you need accurate results quickly without the risk of manual computation errors or unit conversion mistakes.
• •Use it to verify calculations made by hand or in spreadsheets — an independent check can catch errors before they lead to costly decisions.
• •Use it to explore how changing input parameters affects the output — a quick way to develop intuition and identify the most influential variables.
• •Use it when collaborating with others to ensure everyone is working from the same numbers and applying the same assumptions.

The Torque Converter is a free, browser-based calculation tool for engineers, students, and technical professionals. Convert torque values between Newton-meters, foot-pounds, inch-pounds, kilogram-force-meters, and kilogram-force-centimeters. Essential for automotive work, mechanical engineering, fastener specifications, and any rotational force calculation. It implements standard formulas and supports both metric (SI) and imperial unit systems with automatic unit conversion. All calculations are performed instantly in your browser with no data sent to a server. Use this calculator as a quick reference and sanity-check tool during design, analysis, and learning. Always verify results against primary engineering references and applicable standards for any safety-critical application.

The Torque Converter handles precise conversions between the most commonly used rotational force units. Newton-meters (Nm) are the SI standard for torque and appear in engineering specifications worldwide. Foot-pounds (ft-lbf) are the standard in US automotive and mechanical work, found on every torque wrench and engine specification sheet. Inch-pounds are used for smaller fasteners and electronic assemblies. Kilogram-force-meters and kilogram-force-centimeters appear in some Asian and European equipment specifications. This tool is indispensable for mechanics, engineers, and anyone working with bolt torque specifications across different standards.

• !Confusing torque (Nm) with energy (Joules). While dimensionally equivalent, they describe different phenomena: torque is rotational force, energy is work done.
• !Forgetting to account for thread lubrication when applying torque. A lubricated bolt achieves higher clamping force at the same torque value compared to a dry bolt.
• !Mixing up foot-pounds of torque with foot-pounds of energy. The units are the same but the context differs; always clarify which quantity is meant.