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Every calculator
you'll ever need.
A beautifully crafted suite of math, finance, and health calculators — paired with live market data. Designed for speed, precision, and clarity.
Finance
Mortgage, loans, savings & investment.
ExploreMathematics
Algebra, scientific, graphing & solvers.
ExploreScience
Physics, chemistry, conversions & units.
ExplorePick your tool
Clean, fast calculators organized by what you need.
Find your exact tool, instantly
Calculators organized the way professionals work — finance, engineering, and executive command.
Financial & Real Estate
Engineering & Code
The Executive Command
The Scientific Calculator
Sin, cos, tan, logarithms, exponents, roots and constants — with a live result preview and a degrees/radians toggle. Built for programmers and engineers.
Open full calculator →The AI Vision Calculator
Crunch the numbers, hit equals, and watch a ripple of light resolve into a one-of-a-kind AI image of your answer.
0
Tap = for your resolution
Run a calculation and hit =. A unique AI image appears as your answer.
AI-powered — every answer renders a one-of-a-kind image.
Profitable CEO. Get your business slot.
When people calculate, your business makes money.
Be calculative. Embed your own calculator and your business on a fully replicated site — your brand, your numbers, your audience. Every calculation your visitors run earns for you.
Embed anywhere
One snippet, any site
Replicated site
Your brand & business
Earn on every calc
Passive by design
Unlock the embed kit + your replicated calculator site.
Embed my calculator & businessYour own replicated site,
curated by you.
Every $5 member gets a clean, professional page at mycalculator.fun/u/yourname — your name, your color theme, your calculator, and a live markets strip. Every visitor who signs up through it falls under you.
Preview a replicated site →Sarah's Calculator Hub
by Sarah
Smart calculators, curated by Sarah.
Monthly payment
$1,248.50
Powered by mycalculator.fun
All calculators
Find exactly what you need to crunch the numbers.
Finance
Mortgage
Monthly payments & affordability
Loan
Payments on any loan
Compound
Watch your money grow
ROI
Return on investment
Retirement
Plan your nest egg
Discount
Sale price & savings
Sales Tax
Add tax to any total
Savings Goal
Time to reach your goal
Simple Interest
Interest without compounding
Auto Loan
Car payments with tax & trade-in
Salary
Hourly to annual pay
Markup
Price, profit & margin
Credit Card Payoff
How long until you're debt-free
Debt Payoff
Plan your payoff timeline
Inflation
Future buying power of money
House Affordability
How much house you can afford
Certificate of Deposit
Certificate of deposit growth
Health
BMI
Body mass index
Sleep
Wake up refreshed
Calorie
Daily calorie needs
Body Fat
U.S. Navy method
Pace
Pace, speed & splits
Ideal Weight
Healthy weight target
BMR
Basal metabolic rate
Macronutrient
Daily protein, carbs & fat
Water Intake
Daily hydration target
One-Rep Max
Estimate your 1RM
Target Heart Rate
Training heart-rate zones
Lifestyle
Tip
Split the bill fairly
Age
Your exact age
Fuel Cost
Cost of any trip
Date Diff
Days between dates
GPA
Grade point average
Grade
Score to letter grade
Electricity Cost
Appliance running cost
Paint
Gallons of paint needed
Concrete
Cubic yards of concrete
Cooking Conversion
Kitchen measurement converter
Subscription Cost
True cost of subscriptions
Math
Percentage
Percentages made easy
% Change
Increase or decrease
Aspect Ratio
Resize keeping ratio
Sq Footage
Area of a space
Average & Mean
Mean, median, range
Standard Deviation
Population & sample SD
Quadratic Equation
Solve ax² + bx + c = 0
Circle
Area, circumference & diameter
Exponent
Raise a number to a power
GCD & LCM
Greatest common divisor & LCM
The Kid CEO Magic Calculator
Cookies, sparkles and a real fun calculator made just for kids. 🍪🌱⭐