E‑Ink Display ROI + Carbon Calculator self‑hosted · view‑only

Fast, privacy‑friendly calculator inspired by your spreadsheet model. Edit inputs on the left; KPIs & month‑by‑month results update instantly on device.

Inputs

KPIs

NPV over horizon

$0

Monthly Net Cash (fleet)

$0
after financing + opex

Simple Payback

months

CO₂e Avoided / month

0 kg
fleet‑wide

Per‑Month Detail

Month Net cash (fleet, $) Discount factor Present value ($) CO₂e avoided (kg) Cum. CO₂e (kg)