A lightweight, browser-based converter that instantly translates power expressed in Pferdestärke (PS) the common metric “horsepower” used in Europe into Horsepower (HP) (British/imperial definition), and vice-versa.

It’s ideal for car specs, engine data or engineering calculations where you need a quick, precise conversion. The tool you shared performs the calculation client-side and displays results with six decimal places for clarity.

Conversion factor used by the calculator: 1 PS = 0.9863200706 HP.

Why PS and HP differ

PS (Pferdestärke) is the metric horsepower historically used in Germany and parts of Europe; HP usually refers to the British/imperial horsepower used in many English-language specifications. The two are nearly identical the difference is less than 2% but for precise work (vehicle performance, tuning, spec sheets) the exact conversion matters.

How to use the calculator

1. Pick the direction: PS → HP (default) or HP → PS using the Switch button.
2. Enter a numeric value in the From field (the input accepts decimal values).
3. Results appear instantly in the To field, rounded to six decimal places.

How it works

Core formulas

• PS → HP: HP = PS × 0.9863200706
• HP → PS: PS = HP ÷ 0.9863200706 (equivalently PS = HP × 1.0138696654).

Example conversions

• 15 PS → HP: 15 × 0.9863200706 = 14.794801 HP (displayed as 14.794801).
• 100 PS → HP: 100 × 0.9863200706 = 98.632007 HP.

FAQ

Q1. Should I use PS or HP when comparing car engines?

A: Use whichever the vehicle manufacturer provides; when comparing across regions convert both to the same unit (HP or kW) for apples-to-apples comparison.

Q2. Is PS the same as brake horsepower (BHP)?

A: PS and BHP are very close; BHP commonly aligns with imperial horsepower measures and converts with the same small factor (1 PS ≈ 0.98632 BHP).