--- title: "Engine Horsepower Calculator — App Overview" url: https://marlvel.ai/apps/engine-horsepower-calculator category: Productivity developer: Nitrio platforms: ios rating: 4.0 (5 ratings) pricing: paid report_level: overview generated: 2026-05-07 last_verified: "2026-05-07T06:56:42.543Z" --- > **Key Insight:** This app serves as a specialized estimation tool for automotive performance metrics, relying on user-provided data from track runs or technical manuals. | Metric | Value | |--------|-------| | Category | Productivity | | Rating | 4.0 ★ (5) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.3 | | Developer | Nitrio | ## What is Engine Horsepower Calculator? Engine Horsepower Calculator is a utility tool designed to estimate vehicle horsepower based on physical performance metrics. It provides three distinct calculation methods to help users derive power output from quarter-mile run data or engine torque specifications. ## Key Features - **ET Method**: Estimates horsepower using the vehicle's total weight and the elapsed time taken to complete a quarter-mile run. - **Trap-speed Method**: Calculates power output based on the vehicle's weight and its finishing speed at the quarter-mile mark. - **RPM Torque Method**: Determines horsepower by utilizing the maximum torque value and corresponding RPM found in the vehicle's manual. ## Who is it for? Automotive enthusiasts and mechanics looking to estimate engine performance based on track data or manual specifications. ## Links - [App Store](https://apps.apple.com/us/app/engine-horsepower-calculator/id1095000562?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/engine-horsepower-calculator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/engine-horsepower-calculator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*