Best Engine Horsepower Calculator Apps

2TExc - 2T Exhaust Calculator

Two-Stroke Engine Tuning Tool

$5.99

This professional toolset enables precise design, analysis, and tuning of two-stroke engines. It covers expansion chambers, port timing, ignition, intake resonance, and gearing, providing engineering-grade accuracy for various engine types. Results are reproducible and can be printed for direct use.

Fuel Calculator: Gas Mileage

Trip Cost, MPG & Consumption

Free

Estimate travel costs, calculate fuel needed for trips, and evaluate your vehicle's fuel efficiency. Supports various units of measurement for global use and works offline.

Electrical Motor Calculator

Calc Amps Horsepowers and kVa

$2.99

This engineering tool calculates key electrical motor characteristics like amps, horsepower, and kVa. Input system voltage, motor efficiency, and power factor to determine electrical values for your system.

Spicer Tool Kit

by Dana Limited

Free

Perform a variety of calculations related to vehicle drivelines and engines. This tool helps users get the most out of genuine Spicer parts with specialized calculators for RPM, fuel savings, and more.

EngineCalc

Engine Builder's Calculator

$0.99

This utility app provides a collection of essential formulas and calculators for powersports and engine tuning. It allows users to perform complex calculations directly on their iPhone, eliminating the need for a laptop or desktop computer.

Power Calculators & Converters

Useful for power generators.

Free

This application provides accurate calculations and conversions for various power units, including watts and horsepower. It's designed for professionals and students needing to simplify complex energy and power calculations for generators and devices.

Engine Calculator Plus

Engine Specs Calculations

$2.99

Calculate engine specifications for various car and plane engines, including displacement, compression ratio, and horsepower. Supports metric and imperial systems with a user-friendly interface and 3D engine visualization.

Simple Fuel Calculator (USA)

Calculates fuel usage and cost

Free

This application helps users calculate their fuel consumption and associated costs. It utilizes standard units commonly used in the USA, such as miles, dollars, and U.S. gallons.

Watt - Power calculator

Power converter

$1.99

Easily calculate wattage using three different formulas. Input values and get instant results, with options to copy or email your calculations. Features an intuitive design for a smooth and reliable user experience.

Hydraulic-Calculator

by Zanthic Automation Inc.

Free

Perform essential hydraulic calculations for cylinders, pumps, and fluid lines. Solve for forces, speeds, torque, power, and pressure drop. Supports metric and imperial units, with advanced features unlocked via in-app purchase.

Calculator - CalcSphere

Calculator & Converter

Free

This app offers a comprehensive suite of calculation tools, including basic arithmetic, memory functions, and a history log. It also features a robust unit converter covering over 20 categories like area, data, and length, along with specialized calculators for discounts and taxes.