Toolkit Calculator

Craft Maker's Toolkit

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Craft Batch & Pricing Calculator

Know your numbers before you sell.

Fill in one batch, get an honest per-unit cost and a suggested price that actually covers your time.

Batch Recipe

candle batch

Wax, wick, fragrance oil, dye

Wax & Fragrance Formulation

Fragrance load is the % of your total pour weight that's fragrance oil — the rest is wax. Check your wax supplier's max tested fragrance load before going above it; most soy blends test safe up to 10–12%.

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⚠ Fragrance load is above the typical tested max for most soy blends (10–12%). Confirm your wax can safely carry this before pouring a full batch.

Wax & Fragrance Formulation

Same math as candles, scoped to a clamshell. Melts typically run a hotter fragrance load than candles — often 8–12%. Still check your wax supplier's max tested load; too hot a load causes sweating/seepage even without a flame involved.

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⚠ Above the typical tested max most wax suppliers publish. Can cause sweating/separation over time.

Fragrance / Base Split

No wax here — a car diffuser is fragrance oil diluted in a carrier base (commonly DPG). Switch units any time; numbers convert automatically.

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$

Lye & Superfat Calculator

Enter oils for the whole batch (not per bar). ⚠ Lye (NaOH) is caustic: always add lye to water, never water to lye, and wear gloves and eye protection. Double-check totals against a second calculator before your first pour of any new recipe.

⚠ This calculator is provided for estimation purposes only and does not replace proper safety training. Always verify calculations independently and follow standard lye safety practices (eye protection, ventilation, add lye to water — never the reverse) before working with any batch.

38% of oil weight

⚠ Superfat is high — most recipes run 5–8%. Above ~15%, bars can turn soft, greasy, or go rancid (DOS) faster.
⚠ Low superfat leaves little buffer for scale error. Most soapers keep at least 3–5% as a safety margin.
Total oils0.00 oz
Lye (NaOH) needed0.00 oz
Water needed0.00 oz
Fragrance needed0.00 oz
Est. total batch weight0.00 oz

Dry Mix & Fizz Ratio

Set dry ingredients as parts (classic start: 2 parts baking soda to 1 part citric acid), plus oil and fragrance as % of total mold weight. Bath bomb fragrance load is typically lower than candles/soap since it touches skin — 2–3% is a common start.

Dry mix ratio (parts)

$/oz
$/oz
Baking soda / bomb0.00 oz
Citric acid / bomb0.00 oz
Cornstarch/Epsom / bomb0.00 oz
Oil / bomb0.00 oz
Fragrance / bomb0.00 oz
$
$

Batch Ticket

Untitled Candle

Yield: 12 candles

Cost per candle

$0.00

Suggested Price

$0.00

at a 50% margin

Wholesale: $0.00

Profit / candle

$0.00

Profit / batch

$0.00

· · · tear here · · ·

Bonus · Included With Your Purchase

Craft Maker's Toolkit

Lifecycle Email Template Pack

12 proven emails, genericized from a real, working e-commerce brand — plus the exact timing logic for when to send each one. Swap every [BRACKETED] field for your own; keep the structure and sequencing intact.

Welcome Series

4 emails · Days 0–6

Cart Abandonment

3 emails · 1hr → 24hr → 72hr

Browse Abandonment

2 emails · Viewed, never added to cart

Post-Purchase

2 emails · Immediate → 14 days

Review Request

1 email · Thank-you + incentive

Flow Logic & Timing Guide

When to send each piece, and how flows hand off to each other