Formula Calculator

Pick a formula, enter your values — the app calculates the rest. Units convert automatically. Formelrechner is a formula library and calculator in one. Instead of flipping through a reference book and then calculating separately, both happen in the same view. Built for trades, master craftsman training, engineering, and study. More than 200 formulas, including: Geometry and areas, volume, mechanics and strength, heat, fluid flow and pumps, electrical, acoustics, hydraulics, chemistry and physics. Look things up instead of googling: Periodic table (use molar mass directly), density table, building materials, formula symbols as in a technical handbook, unit converter with SI prefixes. Charts such as LogPH and h-x. Search finds formulas, elements, and groups — for example Ohm, circle area, alkali metals, or periodic table. • Fully offline • No account, no ads, no tracking • Light and dark mode • German and many other languages • Saves recent calculations Developed by a German master craftsman. Available languages: German, English, French, Spanish, Portuguese, Italian, Dutch, Polish, Czech, Slovak, Hungarian, Romanian, Croatian, Danish, Swedish, Norwegian, Finnish, Turkish, Russian, Ukrainian, Arabic, Hebrew, Hindi, Thai, Vietnamese, Indonesian, Chinese, Japanese, Korean