Calzonic is your one-stop destination. From unit conversions to date calculators, finance tools and generators — we have it all.
Convert CM to Feet
Convert CM to Metre
Convert CM to MM
Convert CM to IN
Convert IN to CM
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Convert Kilograms to Pounds
Convert Pounds to Kilograms
Convert Grams to Ounces
Convert Ounces to Grams
Convert Kilograms to Stones
Convert Kilograms to Grams
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Convert Celsius to Fahrenheit
Convert Fahrenheit to Celsius
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Your exact age in years, months & days
Minutes & hours until any time today
Days, weeks & months from any date
Count business days between two dates
Duration between two times in hours & minutes
Countdown to Christmas, Halloween & more
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Round to significant figures & scientific notation
Convert percentage to 4.0 GPA & CGPA (10.0)
Calculate SIP returns with monthly compounding
Find your financial independence coasting number
Convert milligrams to milliliters by density
Live time in any city or time zone
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Add players and spin a bottle to pick someone
Spin for an instant Yes, No or Maybe answer
Challenge the computer with score tracking
Random words by category with a countdown timer
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Generate Lorem Ipsum placeholder text
Count characters, words, sentences & more
Random picker wheel with sounds & confetti
Spin the wheel to pick a random winner
HEX, RGB & HSL colors with palette mode
MD5, SHA-1, SHA-256 & SHA-512 hashes
CODE128, EAN-13, QR & more — download PNG
Bold, italic, cursive, gothic and 8 more Unicode styles
Find every valid word from your letters instantly
Enter your clues and find every possible answer
Random printable 5x5 bingo cards, free
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