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Find free online calculators for finance, health, and fitness to help you manage money, plan loans, and track your wellness—no downloads needed.

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Convert units instantly with easy online tools

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ConvertWorld lets you quickly convert units like currency, weight, distance, temperature, and more with free interactive calculators in many languages.

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Convert measurements and calculate instantly online

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Find the stage of your melanoma using clinical data with this Dutch-language online calculator and helpful guides for understanding your diagnosis.

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XOOPsoft offers simple online calculators and tools for date, time, and math, helping you solve everyday problems quickly and easily.

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Check world times and calendars instantly

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See accurate local times worldwide instantly

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Check the current local time and date for any city or country worldwide, with automatic Daylight Saving adjustments and helpful time zone tools.

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Check the exact time for over 7 million locations worldwide, with atomic clock accuracy, time zones, countdowns, and calendars in Spanish.

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Find Austria's holidays, school vacations, and calendars for 2025 and 2026 in one easy-to-use site.

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Easily compare local times and calculate time differences between cities or time zones worldwide with this simple online time zone converter tool.

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Get accurate prayer times and religious dates daily

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See the current local time worldwide, compare time zones, and view an interactive time zone map to plan meetings, trips, or calls across cities.

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Set alarms and timers online instantly

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Set alarms, timers, and use a stopwatch online for free. Organize your time, check world clocks, and manage your schedule easily from any device.

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Convert any units in seconds

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Ped(z) offers pediatricians easy-to-use online calculators for child growth, blood pressure, and heart measurements in both German and English.

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Convert times between different zones and use handy date calculators for planning meetings, trips, or events worldwide in seconds.

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EBATime2 is a Japanese tool for managing school class schedules, timetables, and calendar calculations. Works on iPhone, iPad, Android, and web browsers.

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See today's name days and use helpful calculators

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Check today's Finnish name days, see upcoming celebrations, and use handy calculators for dates, finances, health, and more. Site in Finnish.

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Explore the Tzolkin calendar and time cycles

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Tzolkin Explorer lets you explore the ancient Tzolkin calendar, providing unique insights into time cycles and date calculations. Download and learn more.

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Calculate detailed loan amortization schedules

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Calculate loan amortization schedules and explore related financial tools to understand your payments and inflation impact.

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See world times and plan meetings easily

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Check current times and time zones for cities worldwide, view a global time map, and use handy time conversion tools to plan across regions.

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View daily star times by your location

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Asmatime.com shows daily star times (Esma Saati) automatically for your location, providing a helpful table for those interested in spiritual timing.

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Convert dates between Chinese and Western calendars

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Convert dates between the Chinese lunar and Western calendars from 1 AD to 2101. Easy tool for researchers, historians, and anyone curious about date conversion.

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