About PS-Calculation

A free, professional unit conversion platform

What is PS-Calculation?

PS-Calculation is a free online platform that provides fast, accurate unit conversions across science, engineering, everyday life, and digital computing ā€” available in 6 languages with no installation required.

Our goal is to be the go-to calculation tool for students, engineers, scientists, and anyone who needs quick, reliable conversions on any device.

12 conversion categories Ā· 6 languages Ā· Works on mobile Ā· No account needed

Conversion Categories

Measurement
Temperature ā€” Ā°C, Ā°F, K
Weight ā€” kg, lb, oz, g, ton
Length ā€” m, km, mile, inch, ft, cm
Volume ā€” L, mL, gallon, cup, fl oz
Electrical
Voltage ā€” V, mV, kV, MV
Current ā€” A, mA, Ī¼A, kA
Resistance ā€” Ī©, mĪ©, kĪ©, MĪ©, GĪ©
Energy & Physics
Energy ā€” J, kJ, cal, kcal, kWh, BTU
Pressure ā€” Pa, kPa, bar, psi, atm, mmHg
Force ā€” N, kN, lbf, dyne, kgf
Digital
Storage ā€” B, KB, MB, GB, TB, PB
Finance
Currency ā€” USD, THB, EUR, GBP, JPY, SGD, CNY, AUD

Key Features

Real-time conversion ā€” Results appear instantly as you type. No need to press a button.

6 languages ā€” Interface available in English, Thai, Chinese (Simplified), Hindi, Japanese, and Korean. Language is auto-detected from your browser.

Favorites & History ā€” Save frequently used conversions as favorites for one-tap access. The last 10 conversions are stored locally in your browser.

Customizable layout ā€” Drag and drop category tabs to arrange them in the order you prefer. Your arrangement is saved across sessions.

Dark & Light mode ā€” Automatically matches your system preference, or switch manually.

No install required ā€” Runs entirely in your browser. Works on mobile, tablet, and desktop.

Privacy & Data

PS-Calculation does not collect or store any personal data on our servers. All preferences (history, favorites, language, theme) are stored locally on your device using browser localStorage. See our Privacy Policy for full details.

Technology

Built with React + Vite and deployed on Vercel. All conversions are performed client-side using scientifically accurate constants and exchange rates.

Currency exchange rates are approximate fixed values. For live rates, please consult a dedicated currency service.

ā† Open Unit Converter