Tile Calculator - Flooring & Tiling Calculator
Calculate tiles needed for any room. Free online tile calculator with waste percentage and cost estimation.
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Tile Size
tools.tile-calculator.options
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Calculate your exact age from birthdate instantly. Free online age calculator with years, months, days and detailed statistics.
aspect_ratioAspect Ratio Calculator - Video/Image Ratio Calculator
Calculate aspect ratios instantly for videos, images, and screens. Free online ratio calculator with common presets and scaling dimensions.
local_barBAC Calculator - Blood Alcohol Content Calculator
Calculate your Blood Alcohol Content (BAC) instantly. Free online BAC calculator to estimate alcohol levels in your system based on drinks, weight, and time.
buildBase64 Encoder/Decoder
Encode or decode Base64 data instantly. Free online Base64 converter for developers with URL-safe and line-wrap options.
favoriteBlood Pressure Calculator - BP Reader
Check your blood pressure reading instantly. Free online BP calculator with health categories and personalized advice.
monitor_weightBMI Calculator - Body Mass Index
Calculate your Body Mass Index (BMI) instantly. Free online BMI calculator with health categories and weight status.
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local_fire_departmentBMR Calculator - Basal Metabolic Rate
Calculate your Basal Metabolic Rate (BMR) and daily calorie needs instantly. Free online BMR calculator with TDEE and macronutrient breakdown.
fitness_centerBody Fat Calculator - Body Fat Percentage
Calculate your body fat percentage instantly using the US Navy method. Free online body fat calculator with lean mass and health category analysis.
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targetCaloric Deficit/Surplus Calculator - Weight Goal Calculator
Calculate daily caloric deficit or surplus needed to reach your target weight. Free online calorie goal calculator with personalized recommendations.
local_fire_departmentCalorie Burn Calculator - Exercise Calorie Tracker
Calculate calories burned during exercise instantly. Free online calorie burn calculator for running, walking, cycling, swimming and 10+ activities.
restaurantCalorie Density Calculator - Food Calorie per Gram Calculator
Calculate calorie density of foods to help with weight management and healthy eating. Free online food calorie per gram calculator.
local_fire_departmentCalorie Calculator - TDEE & Macros
Calculate your daily calorie needs, TDEE (Total Daily Energy Expenditure), and macronutrient breakdown. Free online calorie calculator for fitness and weight management.
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sports_soccerCreatine Calculator - Daily Creatine Dosage Calculator
Calculate your optimal daily creatine dosage for loading and maintenance phases. Free online creatine calculator for athletes and fitness enthusiasts.
text_formatCase Converter - Text Case Changer
Convert text between UPPER, lower, Title, Camel, snake, kebab and more cases instantly. Free online text case converter for developers and writers.
paletteColor Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.
currency_bitcoinCrypto Profit Calculator - Investment Return Calculator
Calculate cryptocurrency investment profits and losses with buy/sell prices, fees, and ROI analysis. Free online crypto profit calculator.
currency_exchangeCurrency Converter - Exchange Rate Calculator
Convert currency between USD, EUR, KRW, JPY, GBP and more. Free online exchange rate calculator with real-time rates.
calendar_monthDate Calculator - Days Between Dates
Calculate days between dates, add/subtract days from a date, and find exact date differences. Free online date calculator.
sellDiscount Calculator - Sale Price Calculator
Calculate discounts and final prices instantly. Free online discount calculator with percentage off, amount off, and multiple discount options.
petsDog Age Calculator - Convert Dog Years to Human Years
Calculate your dog's age in human years instantly. Free online dog age converter with breed size considerations and health insights.
electric_boltElectricity Cost Calculator - Energy Bill Calculator
Calculate your appliance electricity cost instantly. Free online energy cost calculator to estimate daily, monthly, and yearly power consumption expenses.
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functionsFraction Calculator - Add, Subtract, Multiply, Divide Fractions
Perform fraction calculations instantly - add, subtract, multiply, divide, and simplify fractions. Free online fraction calculator with step-by-step results.
local_gas_stationGas Mileage Calculator - Fuel Economy & Trip Cost Calculator
Calculate gas mileage, fuel economy, and trip costs instantly. Free online fuel calculator for drivers to estimate fuel costs and efficiency.
schoolGPA Calculator - Grade Point Average
Calculate your GPA (Grade Point Average) instantly. Free online GPA calculator with letter grade and percentage options for students.
enhanced_encryptionHash Generator (MD5/SHA-1/SHA-256/SHA-512)
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) instantly. Free online hash generator for developers and security professionals.
scaleIdeal Weight Calculator - Healthy Weight Range
Calculate your ideal body weight instantly using the Devine formula. Free online ideal weight calculator with BMI analysis and health recommendations.
trending_upInflation Calculator - Purchasing Power Calculator
Calculate inflation and purchasing power changes over time. Convert dollar amounts between different years using CPI data. Free online inflation calculator.
scheduleIntermittent Fasting Calculator - Fasting Schedule Planner
Plan your intermittent fasting schedule instantly. Free online fasting calculator with 16:8, 18:6, 20:4 methods and health benefits.
codeJSON Formatter & Validator
Format, validate, and minify JSON instantly. Free online JSON tool for developers with syntax highlighting and error detection.
nutritionKeto Calculator - Ketogenic Diet Macro Calculator
Calculate your ideal keto macros instantly. Free online ketogenic diet calculator with carb, protein, and fat breakdown for ketosis.
fitness_centerLean Body Mass Calculator - LBM & Body Composition Calculator
Calculate your Lean Body Mass (LBM) instantly. Free online LBM calculator to determine muscle mass, body fat percentage, and body composition using scientific formulas.
paymentsLoan & Mortgage Calculator
Calculate loan payments, mortgage installments, and total interest instantly. Free online loan calculator with amortization schedule and extra payment analysis.
nutritionMacro Nutrient Splitter - Diet Macro Planner
Calculate ideal macro ratios for different diet plans (keto, paleo, mediterranean, vegan, bodybuilding). Free online macro calculator with personalized recommendations.
markdownMarkdown to HTML Converter
Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.
scheduleMeeting Time Finder - Best Time Zone Meeting Planner
Find the best meeting time across multiple time zones instantly. Free online meeting planner to schedule global meetings with overlapping business hours visualization.
memoryMemory Unit Converter - Digital Storage Converter
Convert between digital storage units instantly - bits, bytes, KB, MB, GB, TB, PB and more. Free online memory converter for developers and IT professionals.
fitness_centerOne Rep Max Calculator - 1RM Calculator
Calculate your one rep max (1RM) instantly. Free online 1RM calculator for weightlifting, powerlifting, and strength training with Epley and Brzycki formulas.
spaOvulation Calculator - Fertile Window & Ovulation Date
Calculate your fertile window and ovulation date instantly. Free online ovulation calculator to help plan pregnancy with accurate fertile days prediction.
directions_runPace Calculator - Running Pace Calculator
Calculate running pace instantly. Free online pace calculator for runners to compute pace per km/mile, predict race times, and plan training.
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lockStrong Password Generator
Generate secure, random passwords with customizable length and character options. Free online password generator with strength meter.
percentPercentage Calculator
Calculate percentages instantly. Free online percentage calculator for discounts, tips, taxes, scores, and more.
pregnant_womanPregnancy Due Date Calculator - Baby Due Date Calculator
Calculate your baby's due date instantly from your last period date. Free online pregnancy calculator with trimester info, milestones, and pregnancy week tracker.
nutritionProtein Calculator - Daily Protein Needs
Calculate your daily protein needs instantly based on activity level and fitness goals. Free online protein calculator with macro breakdown.
qr_code_2QR Code Generator
Generate custom QR codes instantly for URLs, text, WiFi, emails, and more. Free online QR code creator with download option.
shuffleRandom Number Generator - RNG Picker
Generate random numbers instantly with customizable range, quantity, and options. Free online RNG generator for lottery, giveaways, and random selection.
savingsRetirement Calculator - Retirement Planning Calculator
Plan your retirement with our free online retirement calculator. Calculate how much you need to save, when you can retire, and your retirement income needs.
functionsRoman Numeral Converter - Convert Numbers to Roman Numerals
Convert numbers to Roman numerals and vice versa instantly.
receipt_longSales Tax Calculator - Tax Rate Calculator
Calculate sales tax and final price instantly. Free online sales tax calculator with US state tax rates and custom tax options.
bedtimeSleep Calculator - Sleep Cycle Calculator
Calculate optimal sleep and wake times based on 90-minute sleep cycles. Free online sleep calculator for better rest and energy.
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directions_walkStep Calculator - Steps to Miles/Calories Converter
Convert steps to distance, calories burned, and time. Track your daily walking fitness goals with this free online step counter calculator.
timerStopwatch - Online Timer with Lap Function
Free online stopwatch with millisecond precision, lap function, and pause/resume capabilities. Perfect for timing workouts, cooking, and more.
sportsInterval Timer - HIIT Workout Timer & Tabata Trainer
Free online interval timer for HIIT workouts, Tabata training, and interval training. Customizable work/rest intervals with presets.
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favoriteTarget Heart Rate Calculator - Training Zone Calculator
Calculate your target heart rate zone for exercise instantly. Free online heart rate calculator using Karvonen method with fitness level adjustments.
publicTime Zone Converter - World Clock
Convert time between time zones instantly. Free online world clock and time zone converter for global meetings and travel planning.
restaurantTip Calculator - Restaurant Gratuity Calculator
Calculate restaurant tips and split bills instantly. Free online tip calculator with customizable tip percentages and bill splitting.
straightenUnit Converter
Convert units instantly - length, weight, temperature, volume, area, speed, and more. Free online unit converter for everyday use.
keyUUID/GUID Generator & Validator
Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.
monitor_weightVisceral Fat Calculator - Body Fat Distribution Analyzer
Calculate your visceral fat level instantly. Free online internal body fat calculator to assess health risks and get personalized recommendations.
fitness_centerVO2 Max Calculator - Cardiovascular Fitness & Oxygen Consumption Calculator
Calculate your VO2 Max instantly. Free online VO2 max calculator to assess cardiovascular fitness, aerobic capacity, and endurance level based on heart rate and exercise data.
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water_dropWater Intake Calculator - Daily Hydration Calculator
Calculate your daily water intake needs based on weight, activity level, and conditions. Free online hydration calculator with personalized recommendations.
water_dropPlant Watering Schedule Calculator - Indoor Plant Care Planner
Create personalized watering schedules for your houseplants. Track watering frequency based on plant type, pot size, and season.
edit_noteWord & Character Counter - Text Analyzer
Count words, characters, paragraphs, and sentences in real-time. Perfect for writers, students, and content creators.
scheduleWork Hours Calculator - Time Card & Pay Calculator
Calculate work hours, overtime, and pay instantly. Free online time card calculator with break deductions and hourly rate calculations.
scheduleTime Calculator - Duration & Time Difference Calculator
Calculate time duration, add or subtract hours/minutes/seconds instantly. Free online time difference calculator for scheduling and planning.
shuffleRandom Decision Maker - Yes/No, Choice Picker, Coin Flip, Dice Roll
Make random decisions instantly. Flip a coin, roll dice, pick random choices, or generate random numbers. Free online decision maker tool.
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lockText Encryption Tool - Secure Text Encoder
Encrypt and decrypt text instantly. Free online text encryption tool with multiple cipher options.
descriptionText Readability Score Calculator - Flesch-Kincaid Analyzer
Calculate text readability scores instantly. Free online readability analyzer with Flesch-Kincaid, Gunning Fog, and more metrics.
contrastColor Contrast Checker - WCAG Accessibility Checker
Check color contrast ratios for WCAG accessibility compliance. Free online tool for designers and developers.
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