Check Whether Your Supply Covers the Trip — Free
A strip of tablets looks like plenty until it is multiplied by trip days. Compare each item with the days you will be away and find the shortfall before you travel.
The proof surface
Refill timing tools track when the next prescription is due. This multiplies daily use by trip length and subtracts what is on hand, so a packing gap is visible before departure.
Why the flat version breaks
Multiplying by weeks instead of days
A two-week trip is 14 days, not two doses.
Counting doses that are out of date
Expired stock is not cover.
Changing a dose to fit the holiday
Never alter medication to suit a trip.
How to work the supply cover slip
Copy the units per day from the current prescription label. Do not change a dose to make the trip fit, and do not use this estimate to adjust anything.
Count travel days plus any buffer you prefer for delays. A 14-day trip needs 28 tablets at two a day, which is more than the 20 on hand in the sample.
Subtract anything out of date, already loose in a bag or reserved for a different routine. Keep the current supply in its original labelled packaging.
Eight missing tablets is a pharmacy question, not a calculator decision. Ask about supply limits, travel letters and controlled-medicine rules well before the departure date.
What the supply cover slip replaces
| Question | Before | Visible working |
|---|---|---|
| Multiplying by weeks instead of days | A two-week trip is 14 days, not two doses. | Enter the real days away |
| Counting doses that are out of date | Expired stock is not cover. | Count only usable units |
| Changing a dose to fit the holiday | Never alter medication to suit a trip. | Act on the shortfall early |
A local arithmetic aid replaces hand calculation, not expert review. No paid AI service is needed.
Run it on the samples, right here
FIRST-LOAD
Research prototype — checkout unavailable. Input is processed locally and a draft is saved automatically in this browser profile when storage is available. Reset to sample clears that draft; Pro history has its own clear button. A state link encodes your inputs in its URL: share only non-sensitive rows. Browser history, clipboard and anyone receiving the link may retain it. Optional AI use below leaves this device; it is not required.
This is packing arithmetic on quantities you supply and is not medical advice. Never change a dose or stop a medicine yourself; confirm supply, travel letters and any legal restrictions with your prescriber or pharmacist.
Data note: Everything runs in this browser tab on the supply cover slip: your medication item | units per day | units on hand stays on this device, nothing is uploaded, and the reading is rebuilt only when you press run.
Go deeper: the companion app files the same reading as a stapled evidence packet
The article demo above runs without limits. The companion app keeps a local history, exports the rows as CSV, prints the supply cover slip reading, and holds your drafts on this device — one complete free run; the proposed $4 one-time filing layer is not currently for sale.
The supply cover slip reading is complete for free. The optional $4 layer adds print, row CSV and the last five local reading summaries; it does not add hidden answers. Checkout is not configured yet; the article demo remains unlimited.
Open the check whether your supply covers the trip companionBoundary
This is packing arithmetic on quantities you supply and is not medical advice. Never change a dose or stop a medicine yourself; confirm supply, travel letters and any legal restrictions with your prescriber or pharmacist.
What this is built on
- Method: Subtract anything out of date, already loose in a bag or reserved for a different routine. Keep the current supply in its original labelled packaging.
- All sample records are invented examples. The app does not fetch measurements, policies, files or personal records.
- Google’s official pricing page, fetched 2026-09-29, lists free-tier access including AI Studio. Optional formatting only; limits and availability can change. Free-tier content may be used to improve products. Never paste private records there.
Before: A two-week trip is 14 days, not two doses. After: the supply cover slip shows the working beside each named row so the reader can change the assumption and inspect the consequence.
Optional AI formatting, not calculation
For this supply cover slip, use the free AI Studio interface only if available to you, with no paid API key. Manual entry completes the same workflow for free. Supply only fictional or non-sensitive notes. Review its output against the source; never paste unresolved questions into the numeric rows.
Format my non-sensitive notes for a supply cover slip. Return plain rows only: medication item | units per day | units on hand. Preserve supplied quantities exactly. Do not guess missing values; list questions separately. Do not calculate or add advice. I will check every row before pasting into the local tool.
Accepted schema: medication item | units per day | units on hand. No AI response is executed as code.