Vietnam Utilities – Comprehensive Calculation & Lookup Tool

What is the product

Vietnam Utilities is a 100% Client-side ecosystem of calculation and lookup tools, belonging to a streamlined Web Application product line designed according to Human Interface Guidelines (HIG).

A positioning statement

This multi-utility web application helps Vietnamese people calculate finances, taxes, loan interests, and instantly look up living indices with absolute accuracy.

Problem solved

Vietnamese users often spend a lot of time searching for payroll, tax, loan, or insurance calculation tools scattered across various websites with cumbersome interfaces, excessive advertisements, and slow loading speeds. Vietnam Utilities completely resolves this pain point by gathering all essential tools in one place, processing data instantly (0ms), and ensuring absolute security for personal information.

Main features

• Financial & Tax Calculation: Convert Gross salary to Net according to the 7-tier personal income tax table, calculate one-time social insurance, and accurately estimate insurance costs.
• Loan & Investment Support: Create a bank loan repayment schedule (decreasing balance/fixed annuity), calculate home and car installment packages, and simulate the power of compound interest.
• Conversion & Lifestyle Utilities: Exchange currencies at real-time rates, convert land area (Sào/Mẫu/Công to $m^2$), gold weight, and view holiday schedules/countdown to Tet.
• Smart personalization: Allows pinning frequently used tools to the top of the homepage and automatically saves the status of the entered parameters via LocalStorage.
• Quick search Spotlight ($\text{Cmd} + \text{K}$): Instant tool lookup with a soothing dark interface.

Practical examples of use:

• Calculate Gross ➔ Net salary: Enter the salary of $20,000,000\text{ VNĐ}$ ➔ Instantly receive detailed results of social insurance, health insurance, unemployment insurance, and personal income tax to be paid in just 2 steps.
• Create a home loan repayment schedule: Enter a loan of $1\text{ billion}$ over $20\text{ years}$ with an interest rate of $8\%/\text{year}$ ➔ Generate a detailed monthly principal/interest repayment schedule with just one click.
• Calculate university admission scores (Students): Select subject combinations (A00, B00...), enter scores and regions ➔ The system automatically converts priority points and returns the total admission score accurately in a flash.
• Track pregnancy (Expectant mothers): Enter the last menstrual date or due date ➔ Instantly receive a detailed schedule of 7 important prenatal check-up milestones and accurately count pregnancy weeks according to Naegele's rule.
• Calculate BMI & Calories: Enter height and weight ➔ Know the necessary TDEE calories to gain/lose weight according to Asian health standards.

Who should use it

• Office workers, Accountants & HR: Need to quickly look up Net/Gross salary, social insurance, and personal income tax.
• Home buyers, bank borrowers & Investors: Need to calculate repayment schedules and accumulated cash flow.
• Students, college students & Expectant mothers: Need to calculate university admission scores or track important pregnancy check-up milestones.

How to get started

• Supported platforms: Web browsers (Chrome, Safari, Edge, Firefox) on all PC, iOS, Android devices. Supports PWA allowing you to click "Add to Home Screen" to use as a native app.

• Immediate usage steps:

  1. Directly access the address tienichviet.vercel.app in your browser.
  2. Select the tool you need from the homepage category or type the key combination Cmd + K (or Ctrl + K) for quick search.
  3. Enter data and receive immediately displayed calculation results.

Distinctive points & Security benefits from "100% Client-side"