Free Calculators & Tools
Simple, fast, and free tools to help with everyday calculations. No signup required.
Date Difference Calculator
Calculate the number of days, weeks, months, and weekdays between two dates.
Use Tool HomePaint Coverage Calculator
Find out how many gallons of paint you need for walls, ceilings, or a room.
Use Tool MathUnit Converter (Length)
Convert between meters, centimeters, millimeters, inches, feet, and yards.
Use Tool FoodKitchen Unit Converter
Convert between cups, tablespoons, teaspoons, ounces, grams, and milliliters.
Use Tool WorkNotice Period Calculator
Calculate your final working day based on your notice period and resignation date.
Use Tool MovingStorage Unit Size Estimator
Find the right storage unit size based on your home type, bedrooms, and belongings.
Use Tool MovingMoving Box Calculator
Calculate how many small, medium, and large boxes you need for your move.
Use Tool ElectricityPower Cost Estimator
Calculate how much it costs to run any appliance based on wattage and usage time.
Use Tool TimeTime Zone Overlap Calculator
Find overlapping work hours between two different time zones.
Use Tool MoneyTip Calculator
Calculate tip amount, total bill, and per-person cost when splitting.
Use Tool FoodSafe Cooking Temperatures
USDA-recommended internal temperatures for meat, poultry, fish, and more.
Use ToolAbout Our Tools
All Clarigo tools are free to use, require no registration, and work directly in your browser. Your data is never stored or shared.
- Privacy-first: Calculations happen entirely in your browser — we never see or store your inputs
- Mobile-friendly: Designed to work smoothly on phones, tablets, and desktops
- Instant results: Get answers immediately without waiting for page loads
- Accurate: Built with reliable formulas, real-world data, and industry-standard calculations
- Shareable: Results generate unique URLs you can bookmark or share with others
When to Use These Tools
Our calculators address the practical questions people face regularly but rarely have good answers for. Whether you're planning a home renovation, estimating electricity costs for a new appliance, preparing for a move, or figuring out time differences for a remote team, these tools give you specific numbers instead of vague estimates.
Each tool includes educational context explaining how the calculations work, what assumptions are made, and tips for getting the most accurate results. If you need more detail on any topic, check the related questions linked below each tool — they connect to our library of in-depth articles with expert-sourced information.