Home & energy
Understand consumption, capacity and running costs. Work stays in your browser tab.
Tank fill time
Estimate ideal fill time from required volume and constant net inflow.
Metered water cost
Estimate volume charges from opening and closing meter readings.
Solar daily energy estimate
Estimate PV energy from array size, equivalent sun hours and a stated performance ratio.
Battery runtime estimate
Estimate ideal battery runtime from capacity, voltage, usable fraction and load power.