Life Tools

A curated collection of practical calculators and converters to help you easily solve conversion problems in daily life and work.

Calculates your Body Mass Index (BMI) based on height and weight.

Converts your age into total months, total weeks, total days, and even total hours, giving you a more intuitive sense of the span of life.

Look up and convert real-time exchange rates for major global currencies online.

Convert between various common units such as length, mass, temperature, and data size.

Calculates monthly payments, total interest, and repayment details for both equal principal & interest and equal principal methods.

Calculate monthly payments, total interest, and the true annual rate (IRR) for consumer loans.

Enter your options and let the wheel make a fun, random decision for you.

Randomly draws one or more lucky winners from the list you provide.

25-minute work timer to help you stay focused and improve work efficiency.

Calculate how many days until an important date or how long it has been.

Calculate BMR and TDEE to provide suggestions for weight loss or gain.

Calculate 2026 China Personal Income Tax, social insurance, and after-tax salary.

Based on 90-minute sleep cycles, find the best bedtime or wake-up time.

Calculate fuel consumption, costs, and trip planning

Assess personal carbon emissions with eco-friendly suggestions

Calculate investment compound returns with visualization

Plan retirement savings and calculate pension needs