Conversion Tools
Professional conversion calculators built by experts for accurate measurements across units, currencies, and formats. Our conversion tools use industry-standard formulas and are regularly updated to ensure precision for professionals, students, and everyday users.
Conversion Tools
Avogadro's Number Calculator - Mole to Molecule Converter
Free Avogadro's number calculator converts moles to molecules instantly using Avogadro's constant (6.02214076×10²³). Essential tool for chemistry calculations, stoichiometry, and lab work.
Base64 Encoder Decoder - Free Online Base64 Converter Tool
Free base64 encoder decoder tool. Convert text to Base64 or decode Base64 strings instantly. Supports standard and URL-safe encoding. No login required.
Base64 Image Decoder | Decode & Preview Images Online
Free online base64 image decoder tool. Instantly decode and preview base64 strings as JPEG, PNG, GIF, WebP, or SVG images. Works with data URLs and raw base64.
BC to AD Year Converter - Free Historical Date Calculator
Accurate BC to AD year converter. Calculate time spans across historical dates with automatic year zero correction. Free tool for historians, students, and genealogists.
Biblical Unit Converter: Cubits to Meters & Feet | Ancient Measurements
Convert cubits, reeds, spans & other biblical units to modern measurements. Accurate conversions based on archaeological evidence. Perfect for Bible study & research.
Binary to Decimal Converter | Free Online Tool
Convert between binary and decimal instantly. Free tool with step-by-step explanations, code examples, and practical use cases for developers and students.
Bit and Byte Length Calculator - Free Data Size Tool
Calculate bit and byte lengths for integers, hex strings, and text with UTF-8, UTF-16, ASCII encodings. Free online tool for developers, data scientists, and network engineers.
Board Foot Calculator - Accurate Lumber Volume Calculator
Calculate board feet for lumber pricing and project planning. Enter thickness, width, and length in inches to get instant board foot measurements for hardwood and softwood.
CCF to Gallons Converter - Free Water Volume Calculator
Convert CCF to gallons instantly with our free calculator. 1 CCF = 748.052 gallons. Perfect for water bills, pool filling, and usage tracking. Fast & accurate results.
Concentration to Molarity Converter | w/v % to mol/L
Convert w/v percentage to molarity instantly. Enter concentration and molecular weight for precise mol/L calculations. Essential for lab work and chemistry.
CSV to JSON Converter - Free Online File Converter Tool
Convert CSV to JSON and JSON to CSV instantly in your browser. Secure, fast data conversion with preview and download. No uploads required.
Cubic Yards to Tons Converter - Free Material Weight Calculator
Convert cubic yards to tons instantly for soil, gravel, concrete, sand, asphalt, and more. Get accurate weight estimates for material ordering, trucking, and construction planning.
Decagram to Gram Converter | Instant dag to g Conversion
Convert decagrams to grams instantly. Perfect for European recipes, scientific measurements, and metric system learning. 1 dag = 10 g. Free calculator with exact conversions.
Decimeter to Meter Conversion Calculator: Convert dm to m
Instantly convert measurements between decimeters (dm) and meters (m) with this simple, user-friendly tool. Get precise conversions as you type with no extra steps.
Distance Calculator & Unit Converter - GPS Coordinates to Miles/KM
Calculate distances between GPS coordinates & convert miles to km, feet to meters instantly. Free tool using Haversine formula for navigation & surveying.
Drops to mL Converter - Accurate Medical & Lab Measurements
Convert drops to milliliters instantly. Medical-grade accuracy for medication dosing, lab work, and recipes. Includes gtt to mL, dropper calibration guide, and viscosity factors.
Feet to Inches Converter: Easy Measurement Conversion Tool
Convert feet to inches and inches to feet instantly with our free online calculator. Perfect for construction, DIY projects, and height measurements.
Grain Conversion Calculator: Bushels to Pounds to Kilograms
Convert bushels, pounds, and kilograms instantly with USDA-standard grain conversion factors. Free calculator for wheat measurements—accurate results for farmers and grain traders.
Grams to Moles Converter | Free Chemistry Calculator
Convert grams to moles instantly with our free calculator. Enter mass and molar mass for accurate chemical conversions. Includes formulas, examples, and step-by-step guide for stoichiometry.
Height Converter to Inches | Accurate Feet, Meters & CM Calculator
Convert height to inches from feet, meters, or centimeters. Free calculator with formulas shown. Used for medical forms, fitness equipment, and US applications.
Inch to Fraction Converter - Decimal to Fraction Calculator
Convert decimal inches to fractions instantly. Free tool for woodworking, construction & DIY. Matches standard ruler markings (1/8", 1/16", 1/32", 1/64"). Get simplified fractions fast.
land-area-conversion-calculator
Free online land area conversion calculator to convert between ares and hectares instantly. Perfect for agriculture, real estate, surveying, and property management with accurate metric conversions.
Length Converter: Meters, Feet, Inches, Miles & More
Convert meters to feet, inches to cm, kilometers to miles instantly. Free length converter with visual comparisons. Accurate metric and imperial conversions.
Light Year Distance Converter - Astronomical Units
Convert light years to kilometers, miles, and astronomical units instantly. Accurate conversions using IAU standards for astronomy research, education, and space exploration.
Mayan Calendar Converter | Long Count to Gregorian
Convert dates between ancient Mayan Long Count calendar and modern Gregorian calendar. Free online calculator using GMT correlation constant for accurate archaeological dating and historical research.
Mesh to Micron Converter - Free Screen Size Calculator
Convert mesh sizes to microns instantly with our free calculator. Get accurate micron conversions for filtration, sieve analysis, and particle sizing. Works with US Standard mesh.
Number Base Converter: Binary, Hex, Decimal & Octal
Free number base converter tool. Convert between binary, decimal, hexadecimal, octal & any base (2-36). Instant, accurate results for programmers, students & developers.
Pixel to Inch Converter - Free DPI Calculator (2025)
Convert pixels to inches instantly with our free DPI calculator. Get accurate measurements for print and web design. Enter pixels + DPI for instant results. Essential tool for designers and photographers.
Pounds to Kilograms Converter | Accurate lbs to kg Tool
Convert pounds to kilograms instantly with our free calculator. Accurate lbs to kg conversion for weight tracking, travel, fitness, and scientific measurements.
PPM to Molarity Calculator - Free Concentration Converter
Convert PPM to molarity instantly. Enter PPM and molar mass for accurate mol/L results. Essential tool for water analysis, lab work, and chemical calculations.
PX to REM to EM Converter – Free CSS Unit Calculator
Convert pixels to REM and EM units instantly. Free CSS unit converter for responsive web design. Supports custom font sizes and real-time calculations for accurate results.
Shoe Size Converter - Convert US, UK, EU & Asian Sizes
Convert shoe sizes between US, UK, EU, and Asian systems instantly. Accurate conversions for men's, women's, and kids' footwear with comprehensive size charts.
Shoe Size Converter - Instant US, UK, EU & JP Conversion
Convert shoe sizes between US, UK, EU & JP instantly. Includes comprehensive charts for men, women & kids. Get accurate conversions for international shopping.
Smart Area Converter: Convert Between Square Meters, Feet & More
Easily convert between area units including square meters, square feet, acres, hectares, and more with this simple, accurate area conversion calculator.
Square Feet to Cubic Yards Calculator - Free Converter
Convert square feet to cubic yards for concrete, mulch, gravel, and topsoil. Free calculator with depth input. Get accurate material estimates instantly.
Square Yard Calculator - Convert Feet & Meters Instantly
Convert feet or meters to square yards for carpet, flooring, and landscaping. Get accurate measurements to order the right amount of materials every time.
Square Yards Calculator: Convert Length & Width Measurements
Calculate square yards from length and width in feet or inches. Get accurate measurements for carpet, flooring, landscaping, and construction. Free calculator with instant results.
Stone Weight Calculator: Estimate Weight by Dimensions & Type
Calculate the weight of different stone types based on dimensions. Input length, width, height, select stone type, and get instant weight results in kg or lbs.
Text to Morse Code Converter - Free Online Translator Tool
Convert text to Morse code instantly. Free online tool for translating letters, numbers, and punctuation into International Morse Code. Perfect for ham radio, learning, and emergency communication.
Time Interval Calculator - Calculate Time Between Dates
Calculate precise time intervals between two dates instantly. Get results in seconds, minutes, hours & days. Handles leap years, DST & time zones automatically.
Time Unit Converter | Years Days Hours Minutes Seconds
Convert time units instantly with precision. Calculate years, days, hours, minutes, and seconds conversions for projects, billing, and data analysis. Free tool with real-time updates.
Unix Timestamp to Date Converter: 12/24 Hour Format Support
Convert Unix timestamps to human-readable dates and times. Choose between 12-hour and 24-hour time formats with this simple, user-friendly converter tool.
Volume to Area Calculator | Gallons Per Square Foot Coverage
Calculate how much liquid covers each square foot. Free calculator for paint, sealers, epoxy coatings, fertilizer—any liquid application. Instant, accurate results.
Weight Converter: Convert Pounds, Kilograms, Ounces & Grams
Free weight converter for pounds, kilograms, ounces, and grams. Instant conversions for cooking, fitness tracking, shipping, and scientific measurements with NIST-accurate formulas.