Horsepower to Torque Calculator

Horsepower to Torque Calculator helps you convert horsepower and RPM to engine torque. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step.

How to Use the Horsepower to Torque Calculator

1. Enter the required calculator inputs shown in the form.
2. Review the speed, distance, time, gear ratio, tire size, engine, pace, bodyweight, total, sets, reps, or training assumptions.
3. Run the calculator, then adjust one input at a time to compare scenarios or check your estimate.

What This Calculator Helps With

Convert horsepower and RPM to engine torque. It is designed for drivers, mechanics, tuners, car shoppers, road-trip planners, automotive students, vehicle owners, and performance enthusiasts who want a fast browser-based estimate before relying on vehicle records, race software, training platforms, fitness trackers, competition scoring, route tools, manufacturer data, or professional sources.

• Horsepower: 400 hp
• Engine RPM: 5000 RPM

Common Uses

People use this calculator when they need a quick way to estimate engine RPM, horsepower, torque, displacement, gear-ratio effects, or performance formulas.

• Measurement: Use speed, distance, time, RPM, gear ratio, bodyweight, lifted total, sets, reps, load, or pace inputs to calculate a practical result.
• Unit Conversion: Convert or relate automotive and performance quantities such as RPM, torque, horsepower, speed, gear ratio, and displacement.
• Project Planning: Plan trips, training targets, race goals, workout volume, vehicle comparisons, or performance scenarios before making decisions.

Formula or Method

Torque (lb·ft) = (HP × 5252) / RPM

Example

Example inputs: Horsepower: 400 hp; Engine RPM: 5000 RPM

Example result: Using the default inputs, 400 hp at 5,000 RPM is about 420.2 lb·ft of torque.

Related Tools

• RPM Calculator
• Torque to Horsepower Calculator
• Engine Displacement Calculator
• Tire Diameter Calculator
• Tire Speed Calculator

Horsepower to Torque Calculator FAQ

Is the Horsepower to Torque Calculator free?

Yes. This calculator is free to use on XTRAW Tools.

Do I need to create an account?

No. XTRAW tools are designed for browser-based use without requiring an account.

Are the results exact?

Results may be estimates depending on the inputs, formula, rounding, method, equipment, route conditions, vehicle conditions, bodyweight, race conditions, or purpose of the calculator. Always verify important results before relying on them.

Disclaimer: This calculator is provided for general informational, educational, and convenience purposes only. It is not legal, financial, automotive safety, mechanical, repair, tuning, engineering, travel, insurance, or professional advice. Vehicle behavior, tire size, gear ratios, road conditions, stop times, legal speed limits, and real-world results can vary. Always verify important results with a qualified professional, mechanic, manufacturer documentation, route source, or authoritative reference before making decisions.