HEALTH & EVERYDAY · 29-TOOL ROADMAP
Health, education and everyday calculators
29 live health, family, education, date and number tools.
Age calculator
Calculate age from birth year, month and day using today’s date.
Open calculator →LiveAlcohol units calculator
Calculate UK alcohol units from drink volume and ABV.
Open calculator →LiveAverage calculator
Calculate the mean from up to five values.
Open calculator →LiveBMI calculator
Calculate body mass index from height and weight.
Open calculator →LiveBMR calculator
Estimate basal metabolic rate with the Mifflin-St Jeor equation.
Open calculator →LiveBody fat calculator
Estimate body-fat percentage using the US Navy circumference method.
Open calculator →LiveCat age calculator
Estimate human-equivalent age from cat age.
Open calculator →LiveCountdown calculator
Convert a number of days into weeks and days.
Open calculator →LiveDays between dates calculator
Calculate a difference between two day-number values.
Open calculator →LiveDog age calculator
Estimate human-equivalent age from dog age and size factor.
Open calculator →LiveFinal exam grade needed calculator
Calculate the mark needed on a remaining assessment.
Open calculator →LiveFraction calculator
Convert a numerator and denominator into decimal and percentage.
Open calculator →LiveHealthy weight range calculator
Show the adult BMI 18.5–24.9 weight range for a height.
Open calculator →LiveHeart-rate zones calculator
Estimate training zones from age and resting heart rate.
Open calculator →LiveISO week number calculator
Estimate ISO week from day of year.
Open calculator →LiveOvulation window calculator
Estimate ovulation day from cycle length.
Open calculator →LivePregnancy due date calculator
Estimate days remaining from current pregnancy weeks and days.
Open calculator →LiveProtein intake calculator
Estimate daily protein from body weight and selected grams per kilogram.
Open calculator →LiveRatio calculator
Scale a two-part ratio to a chosen first value.
Open calculator →LiveRunning pace calculator
Convert distance and finishing time into pace and speed.
Open calculator →LiveSleep cycle calculator
Estimate bedtimes from wake time and 90-minute cycles.
Open calculator →LiveSmoking cost savings calculator
Estimate money saved after stopping smoking.
Open calculator →LiveSpeeding fine calculator
Estimate a starting-point fine from weekly income and offence band.
Open calculator →LiveTDEE calculator
Estimate total daily energy expenditure from BMR and activity.
Open calculator →LiveUCAS Tariff points calculator
Add tariff points across up to three qualifications.
Open calculator →LiveUK degree classification calculator
Map an overall percentage to a common UK honours classification.
Open calculator →LiveUK working days calculator
Estimate working days after weekends, bank holidays and leave.
Open calculator →LiveWaist-to-height ratio calculator
Compare waist circumference with height.
Open calculator →LiveWater intake calculator
Estimate daily fluid from body weight and an adjustable factor.
Open calculator →Clear status, no empty promises
Live tools are usable now. In-development tools are the next calculation engines being implemented. Planned tools are part of the category scope but are not presented as working calculators.