Everyday Tools

Calculate your monthly and annual electricity costs by appliance. Add multiple appliances with wattage, usage hours, and see a full cost breakdown.

Calculate tip amount and split the bill between friends. Supports custom tip percentages and per-person totals.

Calculate percentages, percentage change, and percentage of a number. Solve any percentage problem instantly.

Calculate your exact age in years, months, and days. Find the time between any two dates.

Watch your earnings tick up in real time. Enter your hourly rate, hit start, and see exactly how much money you make every second.

Calculate your Body Mass Index (BMI) using height and weight. See your BMI category and healthy weight range.

Convert between units of length, weight, volume, temperature, speed, and more. Supports metric and imperial.

Generate random numbers, random ranges, dice rolls, coin flips, and lottery numbers. Cryptographically secure.

Convert between 60+ world currencies with live exchange rates. Supports USD, EUR, GBP, JPY, and currencies from every continent.

Convert traditional Chinese measurement units like 斤, 亩, 里, and 尺 to metric and imperial units.

Find your Chinese zodiac animal, element, yin/yang, personality traits, and zodiac compatibility by birth year.

Convert RMB amounts to Chinese financial characters (大写) used on checks, invoices, and official documents.

Convert traditional Indian units — bigha, katha, tola, masha, gaz, and more — to metric and imperial units.

Convert between Indian (lakh, crore, arab) and Western (million, billion, trillion) number systems instantly.

Convert Indian Rupee amounts to Hindi and English words for cheques, invoices, and legal documents.

Convert times across major global time zones and quickly schedule meetings across regions.

Convert annual income or costs into monthly, weekly, and daily figures for planning and budgeting.

Filter and rank likely Wordle guesses from pattern, included letters, and excluded letters.

Unscramble letters and find every valid word with Scrabble and Words With Friends scores. Supports wildcards, filters, and a 168,000+ word dictionary.

Compare cost of living between 60+ global cities across housing, food, transportation, utilities, healthcare, and entertainment categories. NYC = 100 baseline.

Calculate the number of days between two dates or add/subtract days from a date. Shows business days, weeks, months, and weekday info.

Free online scientific calculator with trigonometry, logarithms, powers, roots, constants, memory functions, and keyboard support. Works like a real scientific calculator in your browser.