Utilities

Utilities tools

Date, age, and working-day tools for quick everyday answers.

Count business days between two dates with optional weekend exclusion.

Estimate council tax by band, region, single occupancy discount, and student exemption.

Calculate X% of Y, percentage share, and percentage change with three simple instant modes.

Estimate monthly and annual gas and electricity costs from kWh usage, unit rates, and standing charges.

Count days, weeks, months, and working days until a target date with an optional countdown label.

Find the difference between two dates in days, weeks, months, and years.

Calculate exact age and days lived from a date of birth.