Thước đo góc
Use the free online Thước đo góc tool. Fast, private and easy to use — runs entirely in your browser. Part of our Công cụ Ngẫu nhiên & Đo lường collection.
Vòng quay Quyết định
Let the wheel pick for you when you cannot decide between options.
Trình tạo Đội ngẫu nhiên
Split a list of names into fair, random teams in one click.
Rút thăm
Randomly order a list of names — perfect for raffles and turn order.
Bảng điểm
Home
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Visitor
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Track scores for sports, games and quizzes with two counters.
Bộ đếm
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A simple tally counter for counting people, reps, votes or mouse clicks.
Bộ chuyển đổi Số La Mã
Convert numbers to Roman numerals and back, from 1 to 3999.
Number ↔ Words
Spell out numbers in words, or turn written numbers back into digits.
Online Ruler (cm / inch)
An on-screen ruler in centimetres. Note: accuracy depends on your screen DPI.
Thước đo góc
A printable on-screen protractor showing degrees from 0 to 180.
Frequently Asked Questions
Is the Thước đo góc free to use?
Yes. The Thước đo góc is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.
Is the Thước đo góc safe and private?
Absolutely. The Thước đo góc runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.
Do I need to install anything to use the Thước đo góc?
No installation is needed. The Thước đo góc works instantly online in any modern browser on desktop, tablet or mobile.
Does the Thước đo góc work on mobile phones?
Yes. The Thước đo góc is fully responsive and works smoothly on iPhone, Android and any other device.