Techniker Toolbox

Techniker Toolbox is your practical companion for maintenance, field service, workshop tasks and technical training. Technical calculators, a compact reference and clear help texts support your work on site. ELECTRICAL ENGINEERING Ohm’s law, three-phase power, voltage drop, motor current, circuit protection, and power supply and UPS sizing. MECHANICS Torque and power, conveyor belt speed, bearing life, gear ratios, motor and drive sizing, and thermal expansion. IT AND OT Subnets and CIDR, data rates and transfer times, storage requirements, video storage, PoE power budgets and UPS runtime. PNEUMATICS AND HYDRAULICS Cylinder force, pneumatic sizing, hydraulic power and compressed air consumption. REFERENCE AND EVERYDAY TASKS A technical reference with explanations, checks and diagrams for RJ45 T568A/B and fiber color sequences. A unit converter, dB calculator, favorites and recently used tools help you find answers quickly. Basic features are free. An optional one-time Premium purchase permanently unlocks additional features, including advanced calculators and iCloud synchronization. The app supports German, English, Spanish, French, Italian, Portuguese, Dutch, Polish, Japanese, Simplified Chinese and Korean. Number formatting and inputs follow your region. Results are for guidance only and do not replace professional design or inspection. Follow local regulations, manufacturer specifications and safety requirements. Work on electrical installations must be carried out by appropriately qualified personnel.