https://quickcalc-tools.pages.dev/ Recent content on QuickCalc Tools Hugo en Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/game-2048/ Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/game-2048/ Play 2048 free in your browser. Swipe or use the arrow keys to slide the tiles; two equal numbers merge into one. Reach the 2048 tile. Score and best score are saved on your device, no sign-up. https://quickcalc-tools.pages.dev/tools/habit-grid/ Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/habit-grid/ Track up to 5 daily habits on a one-year pixel grid. Tap a day to mark it done and see your current streak, days done this month and completion rate. Free, no account, data stays in your browser. https://quickcalc-tools.pages.dev/tools/invite-maker/ Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/invite-maker/ Free invite maker: enter the event name, date, place and a message, get a link you can text or email. 5 color themes, Add to Google Calendar button. No sign-up, nothing stored on a server. https://quickcalc-tools.pages.dev/tools/game-memory/ Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/game-memory/ Free memory card game. Flip two cards at a time and match all the pairs in as few moves as possible. 4×4 easy mode or 6×6 hard mode, with a move counter and timer. Plays on phone and desktop, no sign-up. https://quickcalc-tools.pages.dev/tools/game-reaction/ Sat, 05 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/game-reaction/ Free reaction time test. Wait for red to turn green, then tap as fast as you can. See each try in milliseconds, your average of 5 and your personal best. Works on phone and desktop, no sign-up. https://quickcalc-tools.pages.dev/tools/electricity-cost-calculator/ Fri, 04 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/electricity-cost-calculator/ Find out how much an appliance costs to run per day, month and year. Enter watts, hours per day and your electricity rate. Presets for AC, fridge, heater, TV, PC. https://quickcalc-tools.pages.dev/tools/bmi-calculator/ Fri, 04 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/bmi-calculator/ Calculate your BMI from height and weight in feet/inches and pounds or cm and kg. Shows the WHO category and healthy weight range. An estimate, not a diagnosis. https://quickcalc-tools.pages.dev/tools/days-between-dates/ Fri, 04 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/days-between-dates/ Count the days and weeks between two dates, or add/subtract days from a date to find the result. Includes a Today button. Free, no sign-up. https://quickcalc-tools.pages.dev/tools/hourly-to-salary/ Fri, 04 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/hourly-to-salary/ Convert an hourly wage to weekly, monthly and annual gross pay, or turn a yearly salary back into an hourly rate. Set your own hours per week and weeks per year. https://quickcalc-tools.pages.dev/tools/tip-calculator/ Fri, 04 Sep 2026 00:00:00 +0900 https://quickcalc-tools.pages.dev/tools/tip-calculator/ Free tip calculator: enter the bill, pick 15/18/20/25% or a custom tip, split between any number of people. Option to round up per person. https://quickcalc-tools.pages.dev/about/ Mon, 01 Jan 0001 00:00:00 +0000 https://quickcalc-tools.pages.dev/about/ <p>QuickCalc Tools is a collection of free online calculators and converters, run by an IT professional in Japan. Each tool solves one small &ldquo;I just need to calculate this&rdquo; moment from everyday life or work, right in your browser.</p> <ul> <li>Free, no sign-up. Numbers you enter never leave your device; everything is computed locally</li> <li>Tools are built with the help of AI and checked by the site operator before publishing</li> <li>Results are estimates. For contracts, taxes, health, or other important decisions, please confirm with official sources or a professional</li> </ul> <p>Contact: CONTACT_EMAIL</p> https://quickcalc-tools.pages.dev/privacy/ Mon, 01 Jan 0001 00:00:00 +0000 https://quickcalc-tools.pages.dev/privacy/ <h2 id="advertising">Advertising</h2> <p>This site may display advertisements served by Google AdSense and other third-party vendors. These vendors use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising at <a href="https://www.google.com/settings/ads">Google Ads Settings</a>.</p> <h2 id="analytics">Analytics</h2> <p>This site may use analytics tools such as Google Analytics. Traffic data is collected anonymously and does not identify individuals.</p> <h2 id="your-data">Your data</h2> <p>Values you type into the calculators are processed in your browser only and are not sent to our servers.</p>