Free Tools for Everyday Problems
Calculate, convert, estimate, plan, and solve common tasks in one simple place — fast, private, and free.
Popular Tools
The calculators and converters people use most.
Mortgage Calculator
Estimate your monthly mortgage payment including taxes and insurance.
Use tool →
BMI Calculator
Calculate your Body Mass Index and see your weight category.
Use tool →
Paint Calculator
Estimate how many gallons or liters of paint you need for any room.
Use tool →
Concrete Calculator
Calculate cubic yards, cubic meters, and bags of concrete for slabs, footings, and pads.
Use tool →
Tip Calculator
Calculate the tip amount and split the bill between people.
Use tool →
Percentage Calculator
Calculate percentages, percentage of a number, or percentage change.
Use tool →
Age Calculator
Calculate your exact age in years, months, and days.
Use tool →
Password Generator
Generate a strong, random password with customizable character sets.
Use tool →Browse by Category
EveryFix covers far more than calculators — explore tools by topic.
Home & Garden
Plan home improvement and yard projects with confidence. Estimate paint, flooring, mulch, sod, and more before you shop.
12 tools →
Construction
Estimate materials for building projects — concrete, lumber, roofing, rebar, brick, insulation, and asphalt.
12 tools →
Finance
Understand mortgages, loans, savings, and everyday money decisions with clear, easy-to-use financial calculators.
12 tools →
Auto
Estimate fuel costs and fuel economy (MPG or L/100km), EV charging costs, and road trip budgets for any vehicle.
6 tools →
Health
Everyday wellness calculators for BMI, calories, water intake, and more. Estimates only — always consult a professional.
6 tools →
Business
Pricing, margin, and rate calculators for small business owners and freelancers.
6 tools →
Travel
Budget trips and keep track of time zones and distances while you travel.
3 tools →
Unit Converters
Fast, accurate conversions between metric and imperial units for length, weight, temperature, area, volume, and speed.
7 tools →
Everyday Tools
Handy day-to-day tools — age and date calculators, percentages, random numbers, secure passwords, and QR codes.
6 tools →
Planning Tools
Checklists and countdowns that help you get organized for a trip, a move, or any big event.
3 tools →Featured Calculators
A closer look at some of our most useful, in-depth calculators.
Compound Interest Calculator
Calculate how a lump sum grows over time with compound interest.
Use tool →
Calorie Calculator
Estimate your daily calorie needs based on your body and activity level.
Use tool →
Profit Margin Calculator
Calculate your profit margin and markup from revenue and cost.
Use tool →
Roofing Calculator
Estimate roofing squares and surface area based on footprint and roof pitch.
Use tool →
Fuel Cost Calculator
Calculate the fuel cost for any trip based on distance and fuel economy.
Use tool →
Break-Even Calculator
Calculate how many units you need to sell to break even.
Use tool →
Travel Budget Calculator
Estimate your total trip budget including flights, lodging, food, and activities.
Use tool →
Length Converter
Convert between meters, feet, inches, and other length units.
Use tool →Recently Added Tools
We're constantly adding new tools — here's what's new.
Paint Calculator
Estimate how many gallons or liters of paint you need for any room.
Use tool →
Flooring Calculator
Calculate how much flooring material to buy, including waste allowance.
Use tool →
Tile Calculator
Find out how many tiles you need based on room size and tile dimensions.
Use tool →
Mulch Calculator
Calculate cubic yards, cubic meters, and bags of mulch for your garden beds.
Use tool →
Gravel Calculator
Estimate cubic yards, cubic meters, tons, and tonnes of gravel for yard projects.
Use tool →
Sod Calculator
Calculate how many rolls or pallets of sod you need for a new lawn.
Use tool →
Fence Calculator
Estimate posts, rails, and concrete needed for a new fence.
Use tool →
Deck Board Calculator
Calculate how many deck boards you need for your project.
Use tool →Guides & Resources
Short, practical how-to guides that show the math behind our tools — with real examples.
Why Use EveryFix?
Fast & Free
Every tool loads quickly and works instantly — no sign-up, no paywall, no fuss.
Private by Design
Calculations run entirely in your browser. Your numbers are never sent to or stored on our servers.
Built for Every Device
A clean, responsive design that works just as well on your phone as it does on your desktop.
Your Data Stays With You
Every calculator on EveryFix runs locally in your web browser using JavaScript. The numbers you type in — your income, your weight, your home price — are never transmitted to or stored on our servers. Close the tab, and it's gone. Read our Privacy Policy for full details.