CalcTago
Find the right calculator in seconds.
Explore 379+ tools across 15 categories for money, health, school, home, and more.
Popular calculators
Start with the tools people use most often.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and amortization schedule
Loan Calculator
Calculate monthly loan payments, total interest, and total cost.
Compound Interest Calculator
Calculate compound interest growth with regular monthly contributions.
Currency Converter
Convert between world currencies with live rates
Retirement Calculator
How much do you need to retire? Calculate your retirement savings goal
BMI Calculator
Free BMI calculator to find your body mass index and weight category.
Calorie Calculator
Calculate daily calorie needs for maintenance, weight loss, or gain.
Water Intake Calculator
Estimate daily water intake based on weight and activity level.
Percentage Calculator
Calculate percentages - what is X% of Y, percentage increase/decrease
Scientific Calculator
Full-featured scientific calculator
Age Calculator
Calculate exact age in years, months, days
Password Generator
Generate strong, secure random passwords
Browse by category
Jump straight to the calculators you need.
Finance & Money
42 tools
Financial calculators for loans, investing, taxes, and budgeting.
Health & Fitness
37 tools
Health calculators for BMI, calories, fitness goals, and wellness.
Math & Science
56 tools
Math and science calculators for students and professionals.
Home & Construction
28 tools
Calculators for building, renovation, and home projects.
Time & Date
19 tools
Tools for time, dates, ages, and countdowns.
Units & Conversions
38 tools
Converters for length, weight, volume, temperature, and more.
IT & Developers
38 tools
Utilities for developers, IT professionals, and webmasters.
Generators & QR
18 tools
Generators for QR codes, barcodes, and random data.
Text & Content
24 tools
Tools for text editing, word counts, and formatting.
Auto & Transport
16 tools
Vehicle calculators for fuel, costs, and distances.
Education & School
15 tools
Calculators for students, teachers, and parents.
Business & Work
14 tools
Calculators for entrepreneurs, freelancers, and teams.
Design & Multimedia
11 tools
Tools for designers, creatives, and content makers.
Lifestyle
13 tools
Calculators for life events, travel, and daily living.
Utility & Security
10 tools
Security tools and everyday utilities.