Bake vs Buy Cost Calculator — Singapore
Estimate your cost per loaf and compare the same weight of shop-bought bread.
Singapore · SGD · Prices checked 24 October 2026 · Editable estimates, not a live price feed
Recipe settings
Includes the flour inside the starter. All recipe percentages use this total.
Includes the water inside the starter.
20% means 80 g starter for 400 g total flour. This is starter weight, not prefermented flour.
100% starter has equal weights of flour and water.
Plain flour–water–salt sourdough. Zero starter is supported for cost checking; add yeast or other ingredients under Other costs if used.
Singapore costs & oven use
Default: FairPrice Bread Flour, S$2.95 for 1 kg. Use your actual flour price.
SP regulated household tariff: 1 Oct–31 Dec 2026. Retailer-plan users: enter your billed rate.
Illustrative assumption, not measured consumption. Include preheating and the full bake; use a meter or your own estimate.
Only count loaves that fit and bake together. A partial load still uses one full load in this estimate.
More cost and weight settings
Default: FairPrice Fine Salt, S$0.45 for 500 g = S$0.90/kg.
PUB household 0–40 m³ tier: S$3.24/m³ before GST, including conservation and waterborne taxes. Higher tier: S$4.7851 with GST.
Leave at 0 for an already-owned-equipment cash-cost comparison. Otherwise enter only the share allocated to bread.
Equipment cost is spread over this many loaves. 500 is an editable illustration, not a lifespan claim.
Add extra starter feeding/discard, parchment, refrigeration, cleaning, or other costs. Starter flour and water used in the dough are already counted.
Enter your own time cost if you want it included. Default 0 excludes labour.
15% is an illustrative assumption. Weigh your cooled loaf and adjust: (dough weight − baked weight) ÷ dough weight × 100.
Compare with the bread you buy
Use the weight and price of the same loaf. Comparison uses equal baked weight, not one loaf versus a different-sized loaf.
Starting example: Baker&Cook Soy & Linseed Sourdough, S$7.80 / 580 g at FairPrice. This seeded loaf has different ingredients from the plain home loaf. Replace with a comparable product and your actual paid price. Availability and prices vary.
Your cost estimate
The estimate includes only the amounts in these settings. Time and equipment default to zero. Weight comparison is an estimate until you weigh the cooled loaf.
Your recipe — batch totals
Add only the listed flour, water, salt and starter. The total flour and water rows already include the starter; do not add them again.
Cost breakdown — per loaf
Water costs below one cent are shown as <S$0.01 and remain included at full precision. Displayed line items may differ from totals by rounding.
Quick recipe presets
Presets change total flour, hydration, salt and starter only. Your prices, batch size, oven and other settings stay as entered.
