Little calculators foreveryday numbers
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Contents
01Money & salary
- UK salary calculatorWork out your take-home pay for 2026/27 after Income Tax, National Insurance, pension and student loan. Covers England, Wales, NI and Scotland.
- UK salary after tax tableTake-home pay for every salary from £15,000 to £200,000 in 2026/27: monthly and yearly figures after Income Tax and National Insurance.
- Australian pay calculatorWork out your take-home pay in Australia for 2026–27 after income tax, Medicare levy and HELP, with super, LITO and fortnightly figures.
- Australian salary after tax tableTake-home pay for every salary from $30,000 to $300,000 in Australia for 2026–27: fortnightly, monthly and yearly figures after tax and Medicare.
- Hourly to salary calculatorConvert an hourly wage to a yearly salary and back, with weekly, monthly and daily pay. Set your hours and paid weeks for an exact figure.
- Time card calculatorAdd up the hours on your time card, minus unpaid breaks, including overnight shifts. See the weekly total, overtime and pay at your hourly rate.
02School & grades
- Final grade calculatorFind the score you need on your final exam to get the grade you want, from your current grade and the final's weight. Shows the working.
- GPA calculatorWork out your GPA from letter grades and credits, weighted for Honors and AP classes, and see how this term changes your cumulative GPA.
03Everyday maths
- Date calculatorCount the days, weeks and working days between two dates, or add and subtract days from any date. Instant, with the working shown.
- Age calculatorWork out your exact age in years, months and days from your date of birth, plus total days lived and a countdown to your next birthday.
- Sleep calculatorFind the best time to go to bed for your wake-up time, or when to wake if you sleep now, using 90-minute sleep cycles so you wake up refreshed.
- Percentage calculatorWork out X% of a number, what percent one number is of another, and the percentage increase or decrease between two values. Free and instant.