Charts, Codes & Converters
Free printable reference charts, conversion tables, and code translators. Accurate data for crafts, trades, and everyday use.
18
Free Tools & Charts
Yes
Print-Friendly
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Account Required
Popular Tools
Translate text to Morse code and Morse code to text instantly. Includes audio playback and NATO phonetic alphabet.
Convert between Roman numerals and decimal numbers. Handles values from 1 to 3,999.
Convert between 12-hour standard time and 24-hour military time. Includes pronunciation guide.
Convert between binary, decimal, hexadecimal, and octal number systems.
Convert between hexadecimal and decimal numbers. Also converts to and from RGB color values.
Generate ASCII art text banners from plain text. Multiple font styles available.
Codes & Ciphers
7 itemsTranslate text to Morse code and Morse code to text instantly. Includes audio playback and NATO phonetic alphabet.
Convert between 12-hour standard time and 24-hour military time. Includes pronunciation guide.
Generate ASCII art text banners from plain text. Multiple font styles available.
Complete Morse code reference chart for all letters A-Z, numbers 0-9, and common punctuation marks.
Complete NATO/ICAO phonetic alphabet chart. Alpha, Bravo, Charlie through Zulu.
Complete ASCII character table with all 128 characters. Decimal, hex, octal, and binary values.
24-hour military time chart with standard time equivalents and pronunciation for each hour.
Number Systems
4 itemsConvert between Roman numerals and decimal numbers. Handles values from 1 to 3,999.
Convert between binary, decimal, hexadecimal, and octal number systems.
Convert between hexadecimal and decimal numbers. Also converts to and from RGB color values.
Roman numerals reference chart from I to M with rules for reading and writing Roman numerals.
Measurement
1 itemCraft & Fiber
2 itemsTrade & Workshop
4 itemsSheet metal gauge thickness chart for steel, aluminum, and stainless steel in inches and millimeters.
American Wire Gauge (AWG) chart with diameters in mm and inches, plus copper and aluminum ampacity ratings.
Nominal vs actual lumber dimensions chart. What a 2x4 really measures and all standard lumber sizes.
NPT pipe thread size chart with outside diameters, threads per inch, and tap drill sizes.