The number one regret in tiny kitchens is not the small fridge. It is the toy sink you cannot fit a sheet pan into. A tiny kitchen can absolutely cook a real dinner, but only if the appliances are compact versions of real equipment instead of shrunken novelties that frustrate you daily.
Sinks, ovens, fridges, and power draw: this guide sizes all four for real cooking. You will learn the dimensions that actually work, the sink depth that hides the dishes, the oven size that holds a roasting pan, and the power budgets that matter off grid. Small kitchen, full cooking.
The Kitchen That Cooks Like a Big One
A tiny house kitchen can cook Thanksgiving dinner — if the appliances are sized right. The trick isn’t miniaturizing everything (tiny appliances frustrate); it’s choosing compact versions of real equipment. This guide sizes the sink, oven, fridge, and supporting appliances for a kitchen that actually works.
1. The Sink: Bigger Than You Think
Size: a single-bowl 24–30″ sink (not the 15″ bar sink — you can’t wash a sheet pan in it; the #1 tiny kitchen regret is a too-small sink). Depth: 8–10″ deep (hides dirty dishes below the sightline — the visual trick that keeps small kitchens calm). Material: stainless steel (light, tough, cheap — $100–250) or composite granite (quieter, prettier, heavier — $200–400). Faucet: high-arc pull-down (the arc clears tall pots; the pull-down rinses the whole basin — $80–200). The rule: the sink is the hardest-working square foot in the kitchen — don’t shrink it to save counter; shrink something else.
2. The Oven and Cooktop: Real Cooking, Compact Footprint
Option A — apartment range (24″): a real oven + 4 burners in 24″ wide (Avanti, Summit — $500–900). The closest to a full kitchen; needs 24″ of counter and proper ventilation. Option B — cooktop + separate oven: 2-burner propane/induction cooktop ($100–400) + countertop convection oven or toaster oven ($100–300). Flexible, compact, great for most cooking. Option C — induction portable: single/double induction burners ($60–150) + no built-in oven (for minimalists who rarely bake). Fuel: propane (off-grid friendly, powerful) vs induction (precise, no combustion moisture, but 1,800W per burner — the electrical load matters). Ventilation: a real range hood vented outside (not recirculating — the tiny house needs the moisture and grease OUT; 200+ CFM, $150–400).
3. The Fridge: The Space Hog
Size reality: a 10 cu ft apartment fridge (24″ wide — the tiny house standard) holds a week’s groceries for two. Go smaller only if you shop every 2–3 days. Types: apartment fridge ($400–700 — cheap, reliable, 100W average draw), 12V compressor fridge/cooler ($500–1,200 — Dometic/ARB style — ultra-efficient on solar, but small and pricey per cubic foot), propane fridge (no electricity — but expensive, less cold, and a fading technology). Placement: ventilate the coils (2″ clearance — fridges in tight cabinets overheat and die young), keep it out of direct sun, and never put the fridge next to the oven (they fight each other — separate them). Power: the fridge is the #2 electrical load after heating/cooling — size the solar/battery for its 2–2.5 kWh/day honestly.
4. Dishwasher: The Luxury Question
Countertop dishwasher (18″ wide, no plumbing hookup needed — fill manually, drains to sink — $250–400): the tiny house dishwasher that actually fits. Washes a day’s dishes for two. Drawer dishwasher (Fisher & Paykel single drawer — built-in luxury, $800–1,200 — needs real plumbing). The case for: water savings (uses less water than hand-washing — matters off-grid) and the end of dish dread. The case against: counter space is precious; a dish tub and drying rack cost $20. Verdict: the countertop unit earns its keep for couples who cook daily; skip it if you’re a minimalist hand-washer.
5. Small Appliances: The Supporting Cast
Coffee: pour-over or French press (no counter footprint, no power — the tiny house answer; the espresso machine stays in the big house). Microwave: compact 0.7 cu ft ($80–120 — 700–900W; the reheating workhorse; mount it to free counter). Toaster oven/air fryer: doubles as the second oven (the Ninja Foodi-style multi-cooker replaces 4 appliances — $150–250 — the tiny kitchen’s MVP). Blender: immersion blender ($30–60 — drawer-stored, does 90% of blender jobs). The rule: every appliance must earn its storage — one-trick gadgets (bread makers, juicers) don’t survive the tiny kitchen audit.
6. Layout: Fitting It All In
The galley: 8–10 linear feet of counter on one or two walls (the efficient standard — everything within a pivot). Work triangle: sink–stove–fridge within 12–20 feet total (compact by nature in a tiny house — the advantage of small). Counter depth: standard 25″ (don’t shrink depth — shallow counters frustrate; shrink length instead). Landing zones: 12″+ of counter beside the stove and sink (the non-negotiable — no landing zone, no functional kitchen). Vertical: shelves and rails up the wall (pots on rails, spices on magnetic strips — the walls are the pantry).
7. Power and Weight: The Hidden Constraints
Electrical: kitchen circuits need 20A GFCI (the small appliances add up — induction burner 1,800W + microwave 900W + fridge 100W = 2,800W — plan the circuits, not just the outlets). Weight: appliances are dense (fridge 150–250 lbs, range 150–200 lbs — budget them in the weight ledger; cluster heavy appliances over the axles). Propane: if cooking with propane, the line needs proper sizing and a shutoff (and a propane detector — $30 — mounted low, since propane sinks).
Final Considerations
Size the sink generously, choose a real cooking setup (24″ range or cooktop + convection oven), give the fridge its 10 cubic feet and ventilation, ventilate the cooking moisture outside, and make every small appliance earn its place. A tiny kitchen isn’t a compromised kitchen — it’s an edited one. Edit well, and it cooks like a kitchen twice its size.