All tools
Every calculator and converter on Everyday Tools, in one place — 102 tools and growing. Jump to a category, or scan the whole list.
Unit Converters
5 tools · category page →
Length, weight, temperature, volume, and speed — convert between any units instantly.
Square feet, square metres, acres, and hectares — the converter real estate and land measurements need.
Centimetres to feet and inches, both ways, with no rounding surprises.
Kilograms, pounds, and stone, all synced live.
Ropani, Aana, Paisa, Daam for the hills — Bigha, Kattha, Dhur for the Terai — plus sq ft and sq m.
Finance & Loan
9 tools · category page →
What is X% of Y, percentage change, and percentage difference — all in one place.
Tip amount and per-person split, calculated as you type.
Monthly loan payment (EMI), total interest, and a full amortization schedule.
Gross salary in, new-regime tax out — standard deduction, 87A rebate, and cess all handled.
Add or remove GST at any rate — 5%, 18%, 40%, or a custom slab.
Slab-by-slab tax for FY 2083/84 or 2082/83, with deductions, rebates, and bonus income.
Add or remove Nepal's 13% VAT from any amount.
Tax deducted at source for rent, commission, contracts, dividends, and more.
Convert between world currencies using current daily exchange rates.
Health & Fitness
7 tools · category page →
Body Mass Index from your height and weight, in metric or imperial.
Daily calorie needs (BMR and TDEE) using the Mifflin-St Jeor equation.
Estimate body fat percentage from neck, waist, and hip measurements.
How much water to drink daily, based on your weight and activity.
Compare four classic medical formulas for ideal body weight.
Bedtimes or wake times aligned to full 90-minute sleep cycles.
Estimated due date from your last menstrual period.
Date & Time
5 tools · category page →
Exact age in years, months, and days from a date of birth.
Days between two dates, or add/subtract days, weeks, months, and years from a date.
Convert a date and time between cities and time zones.
Find what day of the week any date falls on.
Convert between Bikram Sambat (BS) and English (AD) dates, both ways.
Random & Decision
2 tools · category page →
Number & Programming
5 tools · category page →
Convert any number between binary, decimal, octal, and hexadecimal.
Convert numbers to Roman numerals, and back again.
Check if a number is prime, or list all primes up to a limit.
Fix indentation in JavaScript, Python, Java, C-family, PHP, HTML, CSS, JSON, and more.
Switch between a normal calculator and a full scientific one.
Text & Everyday
5 tools · category page →
Word count, character count, and reading time, updated as you type.
Strong random passwords, with control over length and character types.
Add your courses and credit hours to get your grade point average.
UPPERCASE, lowercase, Title Case, Sentence case, and more, instantly.
Turn text, a link, or contact info into a scannable QR code.
Timers & Productivity
5 tools · category page →
Start, lap, and stop timing — accurate to the hundredth of a second.
Set minutes and seconds and count down to zero, with a sound when time's up.
Focused work sessions with automatic breaks, the Pomodoro way.
Current time in multiple cities, updating live.
Add or subtract hours and minutes, or find the gap between two times.
Design & Color
5 tools · category page →
Pick a color and get it instantly in HEX, RGB, and HSL.
Turn any image into text-character art, right in your browser.
Build a CSS linear or radial gradient visually.
Build a CSS box-shadow with sliders and a live preview.
Generate a color scheme from one base color.
Image & PDF Tools
6 tools · category page →
Combine one or more JPG/PNG images into a single PDF.
Turn each page of a PDF into a downloadable JPG image.
Shrink a JPG or PNG's file size with an adjustable quality slider.
Shrink a PDF's file size by re-compressing each page as an image.
Pick pages from a PDF and pull them out as a new file.
Combine multiple PDFs into one, in the order you choose.
Sports & Fitness
7 tools · category page →
Solve for pace, time, or distance — whichever you need.
Predict your finish time at another distance using Riegel's formula.
Net Run Rate, calculated correctly — including the all-out rule.
Estimate your 1RM from any working set, with a training percentage table.
Estimate aerobic fitness from the Cooper 12-minute run test.
Training zones from your age and resting heart rate (Karvonen method).
Enter your rolls, get the correct ten-pin score — strikes and spares included.
Business & Investing
7 tools · category page →
Broker commission, SEBON fee, DP charge, and capital gains tax on a NEPSE trade.
Find how many units you need to sell to cover your costs.
Margin and markup, side by side, so you never confuse them again.
Total and annualized return on any investment.
Sale price and savings — including stacked discounts.
Growth over time, with your choice of compounding frequency.
Interest earned using I = P × R × T.
Study & Education
7 tools · category page →
Turn your own MCQ question bank into a practice quiz.
APA, MLA, and Chicago citations from a few details.
Type a passage, see your words-per-minute and accuracy.
Convert a percentage score into a letter grade.
Flesch Reading Ease and Grade Level for any text.
Turn a term/definition list into clickable study flashcards.
Convert between 4.0-scale GPA and percentage, both ways.
Developer Tools
8 tools · category page →
Test a JavaScript regular expression against real text, live.
Generate random UUID v4 identifiers, one or many at a time.
Encode text to Base64, or decode it back — Unicode-safe.
MD5, SHA-1, SHA-256, SHA-384, and SHA-512 — all at once.
Placeholder text by paragraphs, sentences, or words.
Turn a cron schedule into plain English.
Percent-encode or decode a URL or query string.
Write or upload Markdown and see the rendered page live.
Technology
6 tools · category page →
Netmask, network, broadcast, and usable hosts from an IP and CIDR.
Bytes, KB, MB, GB, TB — binary or decimal.
Entropy, estimated crack time, and specific tips to improve it.
Resize width or height without distorting the image.
How long a download will take at your connection speed.
Pixel density (PPI) from resolution and screen size.
Numerology & Zodiac
4 tools · category page →
Your core numerology number, from your birthdate.
Your name's numerology number, letter by letter.
Your physical, emotional, and intellectual cycles, for fun.
Compare two life path numbers for fun.
Fun
3 tools · category page →
Games
6 tools · category page →
Two players, or play against an unbeatable computer.
The classic — arrow keys or swipe, with a saved high score.
Freshly generated puzzles at four difficulties, with hints and mistake checking.
Nepal's classic tigers-and-goats board game — two players, one screen.
2 to 4 players, one screen — roll, race, and send tokens home.
2 to 4 players, one screen — climb the ladders, dodge the snakes.