Calculators
- Percentage Calculator
- Mortgage Calculator
- BMI Calculator
- Diet Points Calculator
- Date Duration Calculator
- Calorie Calculator
- Pregnancy Due Date Calculator
- Fuel Cost Calculator
- CO₂ Emission Calculator
- Electricity Consumption Calculator
- Savings Goal Calculator
- Freelance Hourly Rate Calculator
- Loan Amortization Calculator
- Lease vs. Buy Calculator
- Debt-to-Income Ratio Calculator
- Home Energy Audit Calculator
- Home Renovation Cost Calculator
- Credit Card Debt Calculator
- Student Loan Repayment Calculator
- German Income Tax Calculator
- Investment Return Calculator
- Mortgage Payoff Calculator
- Retirement Savings Calculator
- Compound Interest Calculator
- Body Fat Percentage Calculator
- Work Hours & Overtime Pay Calculator
- Age Calculator
- Net Present Value (NPV) Calculator
- Internal Rate of Return (IRR) Calculator
- Loan-to-Value (LTV) Ratio Calculator
- Break-Even Point Calculator
- Effective Annual Rate (EAR) Calculator
- Savings Withdrawal Calculator
- Ideal Sleep Duration Calculator
- Paint Coverage Estimator
- Daily Water Usage Calculator
- Stairs Calculator
- Split Bill Calculator
- Inflation Calculator
- Tile Calculator
- Macronutrient Calculator
- Roof Shingle Estimator
- Time Card Calculator
- Home Affordability Calculator
- Air Conditioner BTU Calculator
- Interest-Only Loan Calculator
- Concrete Volume Calculator
- Calorie Deficit Calculator
- Drywall Sheet Estimator
- Basal Metabolic Rate (BMR) Calculator
- BMI Calculator for Children & Teens
- Weight-for-Length Calculator (0–24 Months)
- Ideal Weight & WHR Calculator
- Tip & Tax Calculator
- Molarity Calculator
- Blood Alcohol Concentration (BAC) Calculator
- VAT Calculator & Invoice Generator (Multi-Country)
Converters
- Simple Unit Converter
- Length Unit Converter
- Mass Unit Converter
- Volume Unit Converter
- Angle Unit Converter
- Area Unit Converter
- Density Unit Converter
- Time Unit Converter
- Frequency Unit Converter
- Speed Unit Converter
- Flow-Rate Unit Converter
- Acceleration Unit Converter
- Force Unit Converter
- Pressure Unit Converter
- Torque Unit Converter
- Energy Unit Converter
- Power Unit Converter
- Viscosity Unit Converter
- Electric Unit Converter
- Temperature Unit Converter
- Data Storage Unit Converter
- Data Transfer Rate Unit Converter
- Luminous Unit Converter
- Radiation Unit Converter
- Scientific Notation Converter
- Time Zone Converter
- Cooking Measurement Converter
- Cooking Time Converter
- Simple Currency Converter
Trackers
Games & Sports
- Random Number Generator
- Lottery Number Generator
- Powerball Number Generator
- Mega Millions Number Generator
- Eurojackpot Number Generator
- EuroMillions Number Generator
- Germany Lotto 6aus49 Number Generator
- Italy Superenalotto Number Generator
- Canada Lotto 6/49 Number Generator
- Canada Lotto Max Number Generator
- UK Lotto Number Generator
- Australia Lotto Number Generator
- Australia Powerball Number Generator
- Brazil Mega-Sena Number Generator
- South Africa Lotto Number Generator
- South Africa PowerBall Number Generator
- El Gordo de Navidad Number Generator
- La Primitiva Number Generator
- New Zealand Lotto Number Generator
- Japan Lotto 6 Number Generator
- Zodiac Lucky Number Generator
Other Tools
About SwissKnifeCalculator
Welcome to SwissKnifeCalculator! My mission is to provide a versatile suite of free, interactive online tools and calculators for everyday use – from managing finances to tracking energy consumption and even cooking costs.
My tools are designed with a consistent, user-friendly interface that works seamlessly on any device. Whether you're planning your budget or exploring complex calculations, SwissKnifeCalculator has you covered.
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If you enjoy my free tools and find them useful, please consider supporting my project. Your donations help me continue improving and adding new features.