FREE PRACTICAL TOOLS
Tools for real-world decisions.
Simple calculators that help you understand costs, compare options, and make better-informed decisions.
EXPLORE HARTI
Choose a tool category.
Practical calculators for everyday decisions, work, travel, technology, and business.
Automotive
Fuel, road trips, vehicle ownership, and more.
4 toolsHome
Practical calculators for home projects and planning.
1 toolTechnology
Calculate technology usage and operating costs.
1 toolFreelancer
Plan your rates, income goals, and billable work.
1 toolE-commerce
Understand costs, margins, and profit per sale.
1 toolTravel
Plan trip budgets and understand the real cost of travel.
1 toolCreator
Estimate revenue from views and creator activities.
1 toolWHY HARTI
Simple tools. Clear answers.
HARTI TOOLS is designed around one idea: useful tools should make everyday decisions easier.
CalculateTurn your numbers into a clear result.
CompareUnderstand the cost of different choices.
DecideUse the information to make your own decision.