Skip the maths. Keep the answer.
Everyday calculators that give you one plain answer as you type, and show the working if you want to check it. No sign-up, nothing to install.
Dates and time
- Age calculatorHow old am I, exactly?35 years, 3 months and 26 days
- Days between datesHow many days until, or since?1 Jan to 31 Dec 2026: 364 days
- Add or subtract daysWhat date is 90 days from today?90 days after 1 Jan 2026: Wed 1 Apr
- Time durationHow long from 9:00 to 17:30?9:00 to 17:30: 8 h 30 m
- Hours workedHow many hours did I work this week?Mon–Fri, 9 to 5, 1 h lunch: 35 h
Money and percentages
- Percentage calculatorWhat's 15% of 2,400?15% of 2,400 = 360
- Discount calculatorWhat's 20% off 250?20% off 250 = 200
- VAT calculatorHow much is 1,000 plus 5% VAT?1,000 + 5% VAT = 1,050
- Loan / EMI calculatorWhat will my monthly loan payment be?500,000 at 8.5% for 5 years: 10,258/month
- Compound interestHow much will my savings grow?10,000 at 7% for 10 years: 20,097
No calculator matches that yet. Try a simpler word, like “days” or “percent”.
Answers as you type
No “calculate” button. Change a number and the answer changes with it.
Shows the working
Every answer can show the steps behind it, so you can check it or explain it to someone else.
Stays on your device
The maths runs in your browser. There are no accounts and your numbers aren't stored.