Roadmap
What we just shipped, what we are building and what comes next. We only list work we can deliver, tested and sourced like every page. No dates are promised; your requests change the order.
Just shipped
Planned next
PlannedVoltage Drop CalculatorVoltage drop along a copper or aluminium cableI want this
PlannedOhm's Law and Power CalculatorVoltage, current, resistance and power from any twoI want this
PlannedBattery Backup Time CalculatorHow long a UPS or inverter battery runs a loadI want this
PlannedSteel Plate and Section Weight CalculatorWeight of steel plates, flats, angles and sectionsI want this
PlannedRooftop Rainwater Harvesting CalculatorWater you can collect from a roof in a year of rainI want this
PlannedWater Tank Capacity CalculatorLitres and gallons in a rectangular or round tankI want this
PlannedExcavation and Earthwork Volume CalculatorCut volume and truck loads for a trench or pitI want this
PlannedWater Pump Power CalculatorPump power from flow, head and efficiencyI want this
PlannedIP Subnet CalculatorNetwork, broadcast and host range for an IPv4 subnetI want this
PlannedLED Series Resistor CalculatorResistor value and power for an LED from the supply voltageI want this