Lifestyle
Free lifestyle calculators and utilities for BMI, body fat, mortgages, taxes, social insurance, score tracking, reaction tests, and decisions.
Lifestyle
Free lifestyle calculators and utilities for BMI, body fat, mortgages, taxes, social insurance, score tracking, reaction tests, and decisions.
BMI Calculator
Free online BMI calculator for body mass index, healthy weight ranges, and weight category estimates using height, weight, age, and gender inputs.
BMR Calculator
Free online BMR and TDEE calculator. Estimate basal metabolic rate, daily calorie needs, and activity-based energy expenditure.
Body Fat Calculator
Free online body fat calculator using common measurement methods. Estimate body fat percentage, lean body mass, and body composition.
Blood Type Calculator
Free online blood type inheritance calculator. Predict possible child blood types from parents or possible parent combinations from a child blood type.
Mortgage Calculator
Free online mortgage calculator. Calculate monthly payments, total interest for commercial loans, provident fund loans, and combined loans.
Income Tax Calculator
2026 China personal income tax calculator. 7-level progressive tax rates, social insurance and special deductions auto-calculation.
Social Insurance Calculator
China social insurance and housing fund calculator for pension, medical, unemployment, injury, maternity, and provident fund contributions.
Decision Wheel
Free online decision wheel and choice spinner. Enter options, spin the wheel, and pick a random result for food, games, raffles, or quick decisions.
Scoreboard
Free online scoreboard tool, add multiple players, custom scoring, real-time ranking. Perfect for board games, parties, sports and competitions.
Scientific Calculator
Free online scientific calculator with trigonometric functions, logarithms, exponentials, factorials, powers, and degree/radian mode
Random Selection Tool
Free online random picker tool for raffles and draws. Uses cryptographic random algorithm for fairness, with draw animation and duplicate options.
Chinese Kinship Calculator
Free online Chinese kinship title calculator. Enter a relationship chain to find the correct family title by lineage, gender, and birth order.
ID Card Age Calculator
Free online ID card age calculator. Batch parse Chinese ID numbers, calculate ages, view statistics including age distribution, gender ratio. Supports CSV export.
RMB Chinese Uppercase Converter
Free online RMB amount converter between numeric and Chinese uppercase format. Precise to fen, perfect for checks, invoices, and financial documents.
What you can do here
Lifestyle brings together 14 focused browser tools for everyday work. The tools on this page are grouped by task so you can move from discovery to action without opening several separate websites.
Most tools run directly in your browser, which helps keep pasted text, code, files, and generated results on your own device whenever the tool does not require a server-side check.
Common use cases
- Quickly choose the right lifestyle tool from a single page.
- Handle related tasks such as BMI Calculator, BMR Calculator, Body Fat Calculator without changing context.
- Bookmark the category page as a compact toolbox for repeated daily workflows.
FAQ
Are these lifestyle tools free?
Yes. The tools listed on this page are available online without requiring a subscription.
Do I need to install anything?
No. Open the tool in your browser and use it directly on desktop, tablet, or mobile.
Which tool should I start with?
Start with the card that matches your current task. Each card links to a dedicated page with the controls, examples, and usage notes for that tool.