Tools for smarter everyday decisions
Calculators for money, cities, science and health — each with AI explanations and visual breakdowns. Run the numbers, then actually understand the result.
Your effective tax rate is 24%. Maxing your 401(k) could move about $3,400 off the taxable pile.
Start with popular decisions
The most-used tools for money, cities, science and everyday planning.
Salary / Take-Home
See your real paycheck after federal, state, and local taxes with AI breakdown
Mortgage Calculator
Calculate monthly payments, total interest, and amortization schedule
Cost of Living Comparison
Compare cities on rent, taxes, and quality of life to plan your next move
Normal Distribution
Visualize probability distributions and calculate percentiles instantly
Currency Converter
Convert between currencies with live rates and historical trends
Compound Interest
Project investment growth over time with contribution scenarios
PDF Merge & Compress
Combine or compress PDF files instantly, no upload to external servers
BMR & Calorie Calculator
Estimate daily energy needs based on your activity level and goals
Find your tool by topic
Explore tools across money, cities, science, health, productivity and more.
Money & Taxes
Plan paychecks, estimate tax bills, and optimize deductions
View toolsLoans & Credit
Compare mortgages, car loans, and payoff strategies
View toolsSaving & Investing
Project growth, plan retirement, and compare accounts
View toolsCity Insights
Compare cost of living, rent, and quality-of-life factors
View toolsMath & Statistics
Distributions, probability, and data analysis tools
View toolsPhysics & Engineering
Motion, circuits, thermodynamics, and unit conversions
View toolsChemistry & Biochemistry
Molar calculations, solutions, and lab conversions
View toolsHealth & Benefits
BMI, calories, insurance costs, and wellness planning
View toolsDocs & Productivity
PDF tools, converters, and document utilities
View toolsEducation & GPA
Grade calculators, GPA planning, and test prep
View toolsCity decisions, powered by real data
Compare cities on cost of living, rent, taxes and commute so you can move with confidence. AI explanations turn the numbers into a clear trade-off.
Open city toolsHow EverydayBudd turns numbers into decisions
More than calculators — a thinking partner for everyday choices.
AI in every tool
Ask questions, get explanations and explore what-if scenarios in plain language.
Visual intelligence
See charts, breakdowns and timelines for every result — no spreadsheets required.
Transparent math
Formulas and assumptions are visible. You can inspect every number — and trust it.
Fast & privacy-first
Designed to be lightweight and fast, without accounts or tracking.
Ask EverydayBudd AI while you calculate
Every tool includes an AI co-pilot to explain your results, compare scenarios and help you choose the next step.
Guides that explain the why
How to think about salary, cost of living and statistics — with links to the tools behind the numbers.
How to Calculate Your Take-Home Salary in 2025
Learn how to calculate your actual take-home pay after federal, state, and local taxes with step-by-step guidance.
Cost of Living Comparison: Top 50 US Cities
Compare housing, taxes, and transportation costs across major US cities to make informed relocation decisions.
The Power of Compound Interest: Complete Guide
Understand how compound interest works and learn strategies to maximize investment growth over time.
Ready to run the numbers?
Explore AI-powered tools across money, cities, science, health and more.
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