Everyday Tools

Practical planning, home, date and measurement helpers for daily tasks.

Online Ruler

Display a calibrated millimetre or inch ruler on screen.

Calculate body mass index from metric height and weight.

Calculate pace and speed from distance and elapsed minutes.

Calculate paid hours from start, end and break.

Count Monday-to-Friday workdays in a month.

Calculate overnight sleep time between two clock values.

Add or subtract calendar days from a date.

Find the weekday for any Gregorian date.

Find the ISO week number and week-year for a date.

Check whether a Gregorian calendar year is a leap year.

Scale an ingredient amount for a different serving count.

Estimate paint litres from wall area, coverage and coats.

Estimate tile count including a waste percentage.

Estimate rectangular concrete volume in cubic metres.

Calculate display pixel density from resolution and diagonal size.

Simplify width-to-height ratio and calculate decimal aspect.