Calculate permutations nPr and combinations nCr for n up to 1000, with exact big-number results.
Compare monthly and yearly running cost of petrol or diesel, CNG and electric vehicles from fuel price and mileage.
🔥 TrendingEstimate your provident fund corpus after N years from basic salary, yearly hike and interest rate, with EPF and EPS split.
🔥 TrendingConvert passport photo, 4x6 and A4 print sizes between mm, cm, inch and the pixels needed at your DPI.
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A free Pomodoro timer with focus, short break and long break cycles and a sound alert to help you study or work.
🔥 TrendingEstimate PPF maturity value and tax-free interest for your yearly deposit, rate and duration.
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🔥 TrendingCheck whether a number is prime and see its prime factors, next prime and previous prime.
Solve ax² + bx + c = 0 and see the discriminant, real or complex roots and the vertex of the parabola.
🔥 TrendingConvert between kilogram, quintal, ton, maund and pound for grain trade and mandi use.
🔥 TrendingSolve A:B = C:? for the missing value and simplify any ratio to its lowest terms.
Find the maturity value of a recurring deposit from your monthly deposit, interest rate and number of months.
Find the reading time and speaking time of an article or script, with word, character and sentence count.
🔥 TrendingTest JavaScript regular expressions live, with highlighted matches, indexes and capture groups.
🔥 TrendingCreate monthly rent receipts for several months in one go, ready to print for HRA claim with your employer.
🔥 TrendingEstimate the retirement corpus you need and the monthly SIP to build it, considering inflation and post-retirement returns.
🔥 TrendingGenerate a correct robots.txt with allow and disallow rules, crawl-delay and sitemap line, with WordPress and block-all presets.
Type Hindi using English letters (Hinglish) and get Devanagari Hindi text instantly. Free Hindi typing tool with copy button.
🔥 TrendingCalculate your new salary after an increment, or find the hike percentage from old and new salary.
🔥 TrendingFind the monthly SIP needed to reach a goal amount in a given number of years at an expected return.
🔥 TrendingFind speed, distance or time when you know the other two. Works in km and km/h with hours and minutes.
Enter a list of numbers and get mean, median, mode, range, variance and standard deviation instantly.
🔥 TrendingCalculate the weight of TMT steel bars from diameter and length using D²/162, with a per-metre weight chart.
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