Finance
Mortgage, loan, retirement, savings, and interest tools for everyday US financial planning.
Smart online tools and calculators
Meet Drutilio, a growing platform for smart online tools and calculators.
Explore practical tools for financial planning, health reference, academic tracking, date math, percentage math, and everyday conversions. The platform starts with useful essentials and keeps the same fast, readable, utility-first experience across every category.
Current library
15 interactive tools across 4 categories
Brand direction
A growing tools platform anchored by practical utilities
Approach
Fast pages with server-first rendering
Categories
Start with the category that matches the job you need done.
Drutilio is organized to make browsing feel simple even as the library expands. Finance tools remain a strong foundation, and other categories are built to feel just as clear and practical.
Health
Health-oriented utility tools for quick personal measurements and educational estimates.
Education
Academic tools for GPA tracking, grade planning, and education-related estimates.
Everyday Tools
General-purpose tools for dates, percentages, conversions, and common daily calculations.
Featured tools
A cross-category starting set that shows where the platform is heading.
These picks cover money, health, school, and everyday utility work without burying the useful parts under clutter.
FinanceFeatured
Mortgage Calculator
Estimate monthly principal and interest payments and compare borrowing scenarios.
FinanceFeatured
Compound Interest Calculator
Project growth from principal, recurring contributions, annual return, and compounding frequency.
HealthPopular
BMI Calculator
Estimate body mass index using either imperial or metric measurements.
EducationFeatured
GPA Calculator
Calculate weighted GPA from course grades and credit hours.
Everyday ToolsFeatured
Age Calculator
Calculate age in years, months, and days from a birth date and comparison date.
Everyday ToolsPopular
Unit Converter
Convert between common length, weight, and temperature units in one place.