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🔢 Math & Percentages
Percentage, discount, VAT, tip and everyday math calculators.
Percentage Calculator
Calculate percentages instantly: what is X% of Y, or what percentage one number is of another. Works both ways…
Percentage Change Calculator
Find the percentage increase or decrease between an old and a new value — useful for prices, stats, salaries a…
Discount Calculator
See the final price after any discount — plus exactly how much you save. Perfect for sales, coupons and promo …
VAT / Sales Tax Calculator
Add VAT to a net price or strip it from a gross price. Common rates are preset — enter any custom rate you nee…
Tip Calculator
Work out the tip and total per person in seconds — enter the bill, pick a tip percentage and say how many peop…
Average Calculator (Mean, Median, Mode)
Paste or type a list of numbers and get the mean, median, mode, range, count and sum all at once.…
Ratio Calculator
Simplify any ratio to its lowest terms or find the missing number in a proportion — handy for recipes, mixing …
Random Number Generator
Generate one or many random numbers in your chosen range — with an option to avoid duplicates. Great for draws…