Free, independent calculators for practical home use. Free, independent tools. No sign-up required.
Individual spice recipes scaled to your batch weight. Research-validated drying time estimator. Batch planner and food safety checker.
→Size your solar panels, inverter and battery. South Africa and 20+ countries. Load shedding backup sizer. Independent — no installer bias.
→Solar automation YAML generator, Node-RED flow gallery, Zigbee hardware chooser, and Lovelace dashboard builder — based on a real 869-entity HA installation.
→Monthly repayment, affordability, transfer costs, extra payment savings and amortisation. 15+ countries.
→Monthly payment, balloon analysis, total cost of ownership and compare two vehicles. Car, bakkie, truck, motorbike.
→Free daily 5-letter word game. Guess the word in 6 tries with colour hints. Keyboard support, win streaks and worldwide ranking stats. New puzzle every day.
→How long does biltong take to dry? How many solar panels do you need? Eskom tariffs explained. Real answers, real data.