Calcorithmevery number has an answer

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All Tools

Every calculation you need. No account, no ads, just answers.

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Finance

Compound Interest

Calculate growth with compounding interest

Monthly payment for any loan

Calculate return on investment (ROI), annualised ROI and net profit

Time to reach your savings target

Estimate your income tax and take-home pay by tax bracket

Currency Converter

Convert between 150+ world currencies with live exchange rates

Interest Calculator

Simple and compound interest

Calculate crypto trading profit/loss

Crypto Converter

Convert crypto to fiat with live rates

YouTube Money Calculator

Estimate YouTube ad revenue from views and RPM

AdSense Revenue Calculator

Calculate AdSense income from pageviews and CPC

TikTok Earnings Calculator

Estimate TikTok creator earnings from views and followers

Instagram Earnings Calculator

Calculate Instagram influencer earnings per post

Calculate CPM, ad cost or impressions

Calculate Revenue Per Mille from earnings and views

Affiliate Commission Calculator

Calculate affiliate marketing earnings

SaaS Pricing Calculator

Calculate MRR, ARR and churn impact

Startup Runway Calculator

Calculate how many months of runway you have

Burn Rate Calculator

Calculate monthly cash burn for your startup

Profit Margin Calculator

Calculate gross and net profit margins

Stripe Fee Calculator

Calculate Stripe transaction fees and net payout

PayPal Fee Calculator

Calculate PayPal fees for any transaction

Crypto Tax Calculator

Calculate capital gains tax on crypto trades

Calculate cost per 1,000 ad impressions

Calculate revenue per 1,000 page views

Salary Calculator

Annual, monthly and hourly salary converter

BTW / VAT Calculator

Add or remove VAT from any amount

Break-Even Calculator

Calculate your break-even point in units sold and revenue

Hourly Rate Calculator

Convert salary to hourly wage

Revenue Calculator

Calculate revenue, costs and profit

Freelance Rate Calculator

Calculate your ideal freelance day/hour rate

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Mortgage

Mortgage Calculator

Monthly payment, amortization schedule & total costs

How much house can you afford?

Should you refinance your mortgage?

View a full loan amortization schedule with principal and interest

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Health

Calculate your Body Mass Index from height and weight, with health categories

Calorie / TDEE Calculator

Calculate your daily calorie needs (TDEE) for any fitness goal

Healthy weight range for your height

Daily water intake recommendation

Heart Rate Zones

Target heart rate zones for exercise

Estimate body fat percentage

Pregnancy Calculator

Due date and pregnancy week calculator

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Percentage

Percentage of Number

Calculate what X percent of any number is, instantly

Percentage Change

Calculate the percentage increase or decrease between two values

Percentage Difference

Difference between two numbers

Discount Calculator

Calculate the sale price and amount saved after a percentage discount

Calculate the right tip and split the bill between any number of people

Markup / Margin Calculator

Selling price from cost and markup

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Math

Scientific Calculator

Free scientific calculator with trigonometry, logarithms, memory and history

Average Calculator

Calculate the mean, median, mode and range of a set of numbers

Exponent Calculator

Calculate powers, exponents and roots of any number

Fraction Calculator

Add, subtract, multiply fractions

Check whether a number is prime and see its factors

Pythagorean Theorem

Calculate the sides of a right triangle with the Pythagorean theorem

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Converters

Length Converter

km, miles, feet, cm, inches

Weight Converter

Convert weight between kilograms, pounds, ounces and stone

Temperature Converter

Convert temperatures between Celsius, Fahrenheit and Kelvin instantly

Convert area between square meters, square feet, acres and hectares

Volume Converter

Convert volume between liters, gallons, cups and milliliters

Speed Converter

Convert speed between km/h, mph, m/s and knots

Data Size Converter

Convert digital storage units — bytes, KB, MB, GB, TB and PB

Time Zone Converter

Convert times across world time zones instantly

Convert JSON data to CSV format

Convert XML data to JSON format instantly

Markdown to HTML

Convert Markdown text to clean HTML code instantly

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Date & Time

Exact age in years, months, days

Date Difference

Calculate the exact number of days, weeks and months between two dates

Add Days to Date

What date is N days from now?

Calculate the hours and minutes between two times

What day was a specific date?

Online stopwatch with lap times

Countdown Timer

Set an online countdown timer with an alarm

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Generators

Password Generator

Generate strong, random and secure passwords of any length

Generate unique identifiers

Color Generator

Generate random color palettes with HEX, RGB and HSL codes

Generate Lorem Ipsum placeholder text in paragraphs, sentences or words

QR Code Generator

Generate QR codes for any URL

Generate a random number within any range you choose

Username Generator

Generate creative, available username ideas for any platform

Generate MD5, SHA-1 and SHA-256 hashes from any text

Encode text to Base64 or decode Base64 back to plain text

API Key Generator

Generate secure, random API keys and tokens for your apps

Fake Data Generator

Generate fake names, emails, addresses

Business Name Generator

Creative business name ideas

Slogan Generator

Catchy slogans for your brand

YouTube Title Generator

Engaging YouTube video titles

Hashtag Generator

Relevant hashtags for social media

Baby Name Generator

Browse 2000+ baby names for boys and girls with meanings

TikTok Hook Generator

Attention-grabbing TikTok openers

Professional social media bios

Blog Title Generator

Generate high-click-rate blog post titles

Domain Name Generator

Generate creative domain name ideas

Startup Name Generator

Generate brandable startup name ideas

LinkedIn Headline Generator

Generate professional LinkedIn headlines

Cold Email Generator

Generate personalized cold email templates

Email Subject Generator

High-open-rate email subject lines

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Developer Tools

Format, beautify and validate JSON data online

Test regular expressions live

Compare two texts side by side

Minify HTML code to reduce page size and improve load times

Minify and compress CSS code to shrink file size and speed up your site

Format and beautify SQL queries

Decode and inspect JWT tokens

Parse and explain cron expressions

Pick colors and get HEX, RGB, HSL values

JPG to PNG Converter

Convert JPG/JPEG images to PNG in your browser

Count words, characters and reading time

Character Counter

Count characters with platform limits

Convert text to SEO-friendly URL slugs

OpenAI API Cost Calculator

Calculate OpenAI GPT-4 and GPT-4o API costs

Claude API Cost Calculator

Calculate Anthropic Claude API costs

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SEO & Content

Keyword Density

Analyze keyword frequency in text

Meta Tag Generator

Generate HTML meta tags for SEO

Robots.txt Generator

Generate a robots.txt file

Sitemap Generator

Generate an XML sitemap for your website to submit to search engines

Prompt Generator

Generate AI prompts for any task

Token Calculator

Estimate AI token count and cost

Prompt Enhancer

Improve and optimize your AI prompts

Schema Markup Generator

Generate JSON-LD structured data for Google rich results

SEO Title Generator

Generate SEO-optimized page titles for higher CTR