84+ Calculators - 1 App

The only calculator you'll ever need. 84+ calculators and converters across 5 categories.

💰 FINANCIAL CALCULATORS

- Tip Calculator — split bills & custom tip percentages
- Currency Converter — 150+ currencies with live exchange rates
- Discount Calculator — sale price & savings percentage
- Savings Calculator — compound interest & goal planning
- Budget Calculator — 50/30/20 rule & expense tracking
- Debt Payoff Calculator — snowball & avalanche strategies
- Net Worth Calculator
- Paycheck Calculator — salary, taxes & take-home pay
- Car Lease Calculator — monthly lease payment estimator
- Car Affordability Calculator
- Home Affordability Calculator — mortgage pre-qualification
- Down Payment Calculator — savings timeline for home purchase
- Refinance Calculator — break-even & monthly savings
- ROI Calculator — return on investment percentage
- Rental Property Calculator — cash flow & cap rate
- Profit Margin Calculator — gross, operating & net margin
- Tax Refund Estimator
- Stock Profit Calculator — buy/sell gain & loss tracker
- Crypto Calculator — live prices for Bitcoin, Ethereum & 18 coins

💪 FITNESS & HEALTH CALCULATORS

- TDEE Calculator — total daily energy expenditure
- Macro Calculator — protein, carbs & fat targets
- Calorie Burn Calculator
- Water Intake Calculator — daily hydration goal
- Heart Rate Zone Calculator — fat burn, cardio & peak zones
- One Rep Max Calculator — 1RM strength estimator
- BAC Calculator — blood alcohol content estimator
- Waist to Hip Ratio Calculator — body composition assessment
- Sleep Calculator — optimal bedtime & wake time
- Ovulation Calculator — fertility window tracker
- Period Calculator — menstrual cycle predictor

📐 MATH CALCULATORS

- Scientific Calculator
- Algebra Solver — linear equation solver
- Graphing Calculator
- Matrix Calculator — determinant, transpose & multiply
- Ratio Calculator — solve proportions A:B = C:D
- Area & Volume Calculator — 10+ geometric shapes
- LCM & GCF Calculator — least common multiple & greatest common factor
- Number Base Converter — binary, octal, decimal & hexadecimal
- Quadratic Formula Calculator
- Statistics Calculator — mean, median, mode & standard deviation
- Permutation & Combination Calculator — nPr and nCr

🔧 EVERYDAY & UTILITY CALCULATORS

- Length Converter — inches, feet, meters, km, miles & more
- Weight Converter — pounds, kg, ounces, grams, stones
- Volume Converter — gallons, liters, cups, tablespoons
- Temperature Converter — Celsius, Fahrenheit & Kelvin
- Area Converter — sq ft, sq meters, acres, hectares
- Speed Converter — mph, km/h, knots, m/s
- Age Calculator — exact age, days alive & next birthday
- Date Calculator — date difference & add/subtract days
- Time Calculator — add & subtract hours, minutes, seconds
- Hours Calculator — decimal hours to H:M:S converter
- Grade Calculator — GPA calculator & letter grade tracker
- Fuel Cost Calculator — MPG, trip cost & fuel efficiency
- Countdown Calculator — days until any event
- Work Hours Calculator — timesheet, overtime & pay tracker
- Unit Price Comparator — find the best deal per unit
- Time Zone Converter — world clock & zone conversion
- Roman Numeral Converter — integer to Roman & back
- IP Address Calculator — subnet mask & network calculator

🏗️ CONSTRUCTION CALCULATORS

- Paint Calculator — gallons needed for any room
- Tile Calculator — tiles needed with waste factor
- Flooring Calculator — carpet & hardwood estimator
- Roofing Calculator — shingles, squares & pitch factor
- Mulch Calculator — cubic yards & bags needed
- Gravel Calculator — tonnage & cubic yard estimator
- Drywall Calculator — sheets & screws needed
- Fence Calculator — panels, posts & rails estimator
- Deck Calculator — lumber, boards & joists
- Paver Calculator — pavers needed with gap spacing
- Wallpaper Calculator — rolls needed with pattern repeat
- Brick Calculator — bricks & mortar bags needed
- Square Footage Calculator — room-by-room total area