UTILITIES

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Calculate tax including VAT or excluding VAT.
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Calculate alcohol concentration online.
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Calculate the percentage (%) of a number.
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Calculate the interest rate on the loan.
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Calculate the ideal height-to-weight ratio.
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Driving test
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Calculate your daily calorie needs.
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Calculating Personal Income Tax
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Calculate the amount of water to drink.
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Calculate your daily protein intake.
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Calculate body fat percentage.
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Calculate your ideal body weight.
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Calculate the dew point index.
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Calculate the heat index.
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Light
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Calculate the amount of fat you need per day.
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Online character counter, word counter, letter counter
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Create QR code
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Perpetual calendar
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Calculate compound interest
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Unit conversion
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Calculating age according to feng shui is fun.
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Calculate percentage
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Look up the population and area of ​​countries in 2025.
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Lucky Spin - Choose Your Dish
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Challenge: Guess the flags of the countries
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Online tool for creating beautiful fonts
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Calculate unemployment insurance
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Virtual machine utility
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Calculate a repayment schedule with a decreasing balance.
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Calculating BMI for Vietnamese children
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Look up diseases
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Area unit conversion
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Converting units of volume
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Unit conversion
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Time unit conversion
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Convert units of length
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Temperature unit conversion
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Convert numerical data units
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Chuyển đổi năng lượng
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Look up HTML symbols and characters.
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Image-to-text converter
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Convert GROSS salary to NET salary
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Dự báo thời tiết
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Read and preview PDF files.
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Meme generator
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Calculate the adjusted share price on the ex-dividend date.
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Duplicate removal tool
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WHR calculator
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Look up Vietnam's time zone - International time zones
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Startup valuation tool
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Inflation calculator
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Savings goal calculator
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Tools for calculating electricity bills for residential and commercial use.
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Tip calculator
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Random spin
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Memory training game
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Map of Vietnam
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Random password generator
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Tic-tac-toe game
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Jigsaw puzzle
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Chess
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Hanoi flood monitoring map
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Cờ tướng
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Flip flag
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Find Vietnamese words
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Storm monitoring map
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Roll dice online