Converter

Torque Converter Tool

Torque Converter

Torque Unit Converter

Convert between different torque measurement units instantly. Perfect for engineers, mechanics, and automotive enthusiasts.

Conversion Result

73.76

Foot-pounds (ft-lb)

Common Conversions

Torque Conversion Table

Unit Newton-meter (Nm) Foot-pound (ft-lb) Inch-pound (in-lb)
1 Nm 1 0.7376 8.8507
1 ft-lb 1.3558 1 12
1 in-lb 0.1130 0.0833 1
1 kgf·m 9.8067 7.2330 86.7962
1 kgf·cm 0.0981 0.0723 0.8680

What is Torque?

Torque is a measure of the rotational force applied to an object. In physics, it’s the tendency of a force to rotate an object about an axis, fulcrum, or pivot.

Just as a linear force is a push or a pull, a torque can be thought of as a twist to an object. Torque is typically measured in newton-meters (Nm) or foot-pounds (ft-lb) in the imperial system.

Common Applications

  • Automotive: Specifying bolt tightening requirements
  • Engineering: Designing mechanical systems
  • Manufacturing: Calibrating tools and machinery
  • Bicycle maintenance: Adjusting components
  • Industrial equipment: Ensuring proper operation

🧩 Components of a Torque Converter

A torque converter comprises four essential parts:

  1. Pump (Impeller): Connected to the engine crankshaft and rotates with it. It throws transmission fluid outward using centrifugal force.
  2. Turbine: Receives the fluid from the pump, which causes it to spin and transfer power to the transmission.
  3. Stator: Sits between the pump and turbine. It redirects the fluid returning from the turbine to increase torque and prevent fluid resistance.
  4. Torque Converter Clutch (TCC): In modern converters, this locks the engine and transmission together at higher speeds for fuel efficiency.

⚙️ How Does a Torque Converter Work?

🔄 Step-by-Step Working:

  1. Engine Starts: The pump starts rotating with the engine.
  2. Fluid Circulation: The pump flings transmission fluid outward into the turbine.
  3. Turbine Spins: Fluid motion turns the turbine blades, spinning the transmission input shaft.
  4. Stator Action: Redirects returning fluid to assist the pump and multiplies torque.
  5. Lock-Up Clutch Engages: At cruising speed, the clutch locks the turbine to the pump for better fuel economy.

This process ensures a smooth, vibration-free transfer of power, making it ideal for city and highway driving alike.


🧾 Types of Torque Converters

TypeDescriptionUse Case
Single-StageBasic configuration with one set of stator-turbine-pumpCommon in regular passenger cars
Multi-StageHas multiple turbines or stators for higher torqueHeavy trucks, performance vehicles
Lock-UpIncludes clutch to connect directly to the flywheelModern cars for better mileage
Variable PitchAdjustable stator angles for performance or economyLuxury and high-performance cars

✅ Advantages of a Torque Converter

  • Smooth acceleration: No manual gear changes or clutch pedal
  • Torque multiplication: Better low-end power and towing capability
  • Fuel efficiency: Lock-up converters reduce engine load
  • Shock absorption: Damps engine vibrations for comfort
  • Extended transmission life: Reduces mechanical wear compared to manual clutch

⚠️ Symptoms of a Failing Torque Converter

If your torque converter starts to fail, you may notice:

  • 🔁 Transmission slipping (RPM increases, speed doesn’t)
  • 🛑 Vehicle stalls when idling in gear
  • 🔊 Unusual noises like grinding, whining, or clicking
  • 🚨 Transmission overheating warning
  • 🐢 Poor acceleration or shuddering

🔧 Torque Converter vs Manual Clutch – Key Differences

FeatureTorque ConverterManual Clutch
Transmission TypeAutomaticManual
Power Transfer MethodHydraulic (Fluid)Mechanical (Friction plates)
ControlAutomatic via ECUManual via pedal
ComfortSmooth, ideal for urban drivingDriver-controlled
MaintenanceLow, but expensive to replaceHigher frequency, cheaper repairs

🛠️ Applications of Torque Converters

  • Passenger Vehicles: Most automatic cars and SUVs
  • Heavy-Duty Trucks: Multistage converters for hauling
  • Construction Machinery: Loaders, excavators, bulldozers
  • Industrial Equipment: Hydraulic pumps and turbines

🧪 Internal Tools You Can Use


🌐 Further Reading (External DoFollow Links)


📌 Final Thoughts

The torque converter is the unsung hero of your automatic transmission system. From enabling smooth idle to multiplying torque for rapid acceleration, it plays a crucial role in performance and efficiency. Understanding how it works and recognizing failure signs ensures a longer vehicle lifespan and better driving experience.


Would you like a visual infographic, interactive animation, or an HTML web tool version of this guide?

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