nowfound

Life & fun · January 24, 2022

GI

Grams.io – calculate how long drug(s) stay in body

A half-life calculator that estimates how long a drug is in your body.

Grams.io – calculate how long drug(s) stay in body launched on January 24, 2022 with 50 votes, #896 of 2,891 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 4 years on.

In plain words

Grams.io is a calculator tool that helps users determine how long drugs remain in their system. Launched in 2022, the application provides information about drug metabolism and clearance times. It is designed for individuals who need to understand substance duration in the body, whether for personal knowledge, health monitoring, or other informational purposes. The tool focuses on delivering straightforward calculations based on drug properties and individual factors.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • Caffeine Half-Life Calculator2025 · caffeinehalflife.com · ▲12

    Calculate how long caffeine stays in your system

  • GL
    Glycemic load calculator2018 · assafmo.github.io · ▲68

    Things I have learned over time. :-)

  • Free time calculator2018 · erikrood.com · ▲86

    How much free time do you have remaining?

  • Metric2025 · joinmetric.com · ▲112

    Understand your health data better

  • Health and Medical Calculator2021 · play.google.com · ▲79

    Comprehensive medical, fitness and health calculator

  • BiohackJun 2026 · apps.apple.com · ▲9

    Your food ages you or protects you. Now you can see which.

More life & fun this month

the category →

Source: Show HN post ↗

Launched alongside, January 2022

the whole month →
  • LA

    Life & fun · 2022 · looptap.vasanthv.com

  • Fig▲956

    Autocomplete for the Terminal

    Dev tools · 2022 · fig.io

  • The world's best copy. In one place.

    Growth · 2022 · marketingexamples.com

  • History: Last year I had to replace the tire on my bike, and I was surprised how difficult it was to find a suitable new tire. There were a lot of numbers written on the casing, so I googled what they meant. In the end I was successful, but I didn't want to do the same work again for the next bike after I've forgotten the details. So I wrote this website. Technically, the web page is kept very simple, no frameworks, no templates, no website builder. It uses HTML5, CSS and JavaScript, and it privides a responsive layout for mobile usage. I'm happy to receive feedback. If you have tried the…

    Life & fun · 2022 · fahrrad-tools.de

  • The ultimate MVP cheat sheet with 60+ startup formulas

    Dev tools · 2022 · mvprecipes.com

  • hagrid▲595

    No-code user-generated FAQ, for any webpage

    Dev tools · 2022 · magicstudio.com