Calculator hub

Technology Calculators

Keep decimal and binary units distinct, and treat battery results as measured-condition estimates.

Decision paths

Connect the metrics before acting

Use the calculators in this hub together and confirm that their periods, units and assumptions are compatible.

4 tools

technology

Convert decimal gigabytes to bytes and binary gibibytes while showing the unit-system difference.

technology

Estimate runtime from battery capacity, usable charge share and a steady direct-current load.

technology

Estimate ideal file-download time from a decimal file size and a measured download speed in Mbps.

technology

Estimate how many days a mobile-data allowance lasts from the allowance and a chosen average daily use.