# VapCal

> Calculators and charts for mixing vape liquids: nicotine mix chart, single mix, shots, coil, PG/VG, dilute/boost and batch cost.

Status: live. Operator: Creabyte (https://creabyte.com). Audience: Adults (18+) who mix their own e-liquids. Updated: 2026-10-04.

Pricing: Free without an account: Single mix, Mix chart. Voluntary one-time support payments add up (no subscription), pay for the infrastructure and unlock more calculators for the account: from EUR 6 (Unlock): Shot calculator; from EUR 15 (Tools): Ohm / watt, Coil wraps, PG/VG adjust, Dilute / boost; from EUR 35 (Lab): Batch cost. Saved presets: up to 10 from support level Lab (support from EUR 35).

Languages: Schwiizerdütsch, Deutsch, English, Español, Français, Italiano, Hrvatski, Српски, Nederlands, tlhIngan Hol, 日本語, Vlaams (België), Rumantsch.

## Agents

- [For AI agents](https://www.vapcal.com/agents.md): what is public, what needs an account, calculator requests, agent keys (Bearer, scopes, confirmation links), Markdown responses by default (JSON via `Accept: application/json`), private Markdown views (`/api/agent/me.md`, `/api/agent/presets.md`, `/api/agent/presets/trash.md`, `/api/agent/confirmations.md`, `/api/agent/calc.md`) and rules

- [Tools](https://www.vapcal.com/tools.md): every calculator URL (deep link) with parameters, example requests and responses, formats and limits; the same URL answers Markdown with `Accept: text/markdown` or `format=md`

## Pages

- [Calculators](https://www.vapcal.com/index.md): all calculators, mix chart and single mix
- [Support](https://www.vapcal.com/support.md): support levels, how to support VapCal and the supporters wall
- [Wallpapers](https://www.vapcal.com/wallpapers.md): wallpaper previews and download rules
- [Contact](https://www.vapcal.com/contact.md): contact form
- [Legal notice and privacy](https://www.vapcal.com/impressum.md): operator, Impressum, privacy policy
- [Cookies](https://www.vapcal.com/cookies.md): cookie list and consent
- [Versions](https://www.vapcal.com/versions.md): release history

## Calculator endpoint

- [Single mix](https://www.vapcal.com/api/calc?kind=simple&flask=30&aim=3&base=36): Nicotine base and liquid amounts for one target strength. Public, no account.
- [Mix chart](https://www.vapcal.com/api/calc?kind=chart&flask=10&base=4&start=0&steps=1): Table of nicotine base and liquid amounts for ten target strengths. Public, no account.
- [More calculators](https://www.vapcal.com/agents.md): Shot calculator, Ohm / watt, Coil wraps, PG/VG adjust, Dilute / boost, Batch cost need an account with a support level; requests and access per calculator are in agents.md.

## Optional

- [Sitemap](https://www.vapcal.com/sitemap.xml)
- [robots.txt](https://www.vapcal.com/robots.txt)