You've melted the wax and lined up the tins — now settle the ratio.
Set your batch weight and your parts — the 1:4 salve convention, the 1:1:1 lotion bar, or your own — and get grams to weigh out, whole tins filled with the leftover stated, and what each tin costs you. Everything stays in your browser.
The batch
Your costs
The pack
The numbers here are yours to check. This page does arithmetic on what you type — it cannot see your recipe, your equipment or your batch.
Want it to remember?
In MadeKeeper the same make consumes real grams of wax, oil and butter from your inventory, the tins you fill land as units on hand, and the cost per tin flows straight into your pricing. See for beekeepers or poke around the live demo. $19/mo for the whole back office, kept for as long as you stay. The shop stays free for cost a piece and one fair — no product cap. The tax packet, Etsy and Square, and more fairs are the $19.
Beeswax skincare · Free calculator
Every beeswax thread ends up arguing the same few numbers. Here's the math this page actually runs — and which of those numbers are conventions you're free to change.
What's the right beeswax-to-oil ratio for a salve?
The common convention is 1:4 — one part wax to four parts oil — and it gets argued in every thread for good reason. More wax sets firmer, more oil goes softer, and neither is wrong; it depends what you want under the lid. That's why the ratio here is a setting with 1:4 as the starting point, not a rule baked into the math — the parts fields take whatever your recipe runs.
Why do lotion bars use a different ratio?
The lotion-bar convention is 1:1:1 — equal parts wax, oil and butter — because a bar has to hold its shape out of the tin, and that takes far more wax than a salve does. On a 300 g batch, 1:1:1 works out to 100 g of each. Same math, same fields; only the parts change.
How does the calculator turn parts into grams?
Batch weight times each part, divided by the total parts. A 300 g batch at 1:4 has five parts, so the wax is 300 × 1 ÷ 5 = 60 g and the oil is 240 g. Parts are what let one recipe scale honestly — a small test batch and a market batch split exactly the same way.
How many tins will a batch fill, and what does each one cost?
Whole tins only: the calculator divides your batch by your fill weight and rounds down, then states what's left in the pot — 300 g into 55 g fills is 5 tins with 25 g over. Fill weight is your field too, since tin fill weights are one of the argued numbers; weigh one filled tin and type what you find. Cost per tin prices the grams in each fill from your per-kilo wax, oil and butter costs, then adds the tin itself — the part of the cost that's easiest to forget.