Cookware and knives · decided with numbers

The numbers behind the pans and knives you actually need

6 decision tools and 345 worked reference tables for cookware and kitchen knives. Every figure is labelled either a published standard or a kitchen convention, and where no honest number exists the tool says so instead of guessing.

The pan most kitchens should own first

Lodge Pre-Seasoned Cast Iron Skillet with Hot Handle Holder, 10.25 Inches

10.25 in

Cast iron conducts heat poorly, at about 52 W/m-K, and that is not the point. Its mass means it barely cools when cold food lands in it, which is exactly what produces a crust, and it costs a fraction of clad stainless.

$24.99Check pricePrices change often

The piece count on a cookware set includes the lids

This is the most useful single fact about buying cookware, and it is why this site exists. A set is priced and marketed on its piece count, so every maker has an incentive to make that number as large as it honestly can be. Lids are pieces. Steamer inserts are pieces. In plenty of sets, a plastic spoon is a piece.

All-Clad D3 Stainless 10-Piece Set is one of the honest ones: ten advertised pieces made up of 6 pans and 4 lids, with nothing padding it out. Plenty of sets are not that honest, and above about twelve advertised pieces the extra numbers are rarely pans. The set builder works out which pieces genuinely earn their cupboard space for your household, with a running total and an explicit list of what to skip.

Reference tables

345 worked tables, calculated from the same material properties the calculators use, so the two can never disagree. Pan sizes, oven ceilings, induction compatibility, pot capacities, knife steels and cookware materials.

Complete kits

Two separate ladders, because cookware and knives are different purchases made by different people at different times. Every item listed, a running total, and an explicit list of what to skip.

No single material is good at every job

This is the second most useful thing to understand, and it is why a matching set is rarely the right purchase. Clad stainless sears and builds fond for a pan sauce. Cast iron conducts badly at about 52 W/m-K and holds an enormous amount of heat, which is what makes a crust. Aluminium conducts at about 237, roughly fifteen times better than stainless at 16, which is why almost every good stainless pan hides aluminium inside it. Nonstick releases eggs and cannot be run hot. Enamel is inert, so a two hour tomato braise belongs there and nowhere else.

A mixed kitchen outperforms a matched one at every budget. The only thing it costs you is that the cupboard looks less tidy. The full material comparison.

Gear research

21 roundups, 9 comparisons and 13 guides. Every roundup presents a beginner, an intermediate and an expert pick rather than one flat list, names a top pick up front, and says plainly who should skip the expensive option. Researched from published manufacturer specifications and owner reports.

All gear roundups All comparisons All guides All reference tables

Standards and conventions

A standard is a published specification, a material property or a physical relationship: copper conducts at about 401 W/m-K, All-Clad publishes 600F oven and broiler safe for D3, induction couples only to ferromagnetic metal. A convention is a widely used kitchen rule of thumb: roughly 25 square inches of pan surface per portion seared, four quarts of pasta water per pound. Both are useful. Knowing which one you are relying on tells you what is safe to bend.

Every page here is labelled with which it rests on. How we research, and the glossary if a term is unfamiliar.

Common questions

What does this site cover?

Cookware and kitchen knives, meaning pots, pans, bakeware, cutting boards and the materials they are made from. It deliberately does not cover countertop appliances such as air fryers, blenders, multi cookers or espresso machines, which are a different category with different buying questions entirely.

Where do the numbers come from?

Published material properties, manufacturer specifications and physical relationships, all labelled as standards. Where a figure is a kitchen rule of thumb instead, such as how much pan surface one portion needs to brown, it is labelled a convention. Where no defensible figure exists, the page says so rather than inventing one.

Do the calculators work without JavaScript?

Every calculator ships with a worked answer already in the page, using its default values, along with an explanation of how it arrives at that answer. JavaScript updates the result when you change an input and re-orders the product cards, which are all present in the HTML either way.

What is the single most useful thing on this site?

Probably this: the advertised piece count on a cookware set includes the lids. An eleven piece set is usually six pans and five lids, and above about twelve advertised pieces the extra numbers are rarely pans at all. Count vessels, not pieces, when you compare two sets.

Is the equipment here actually recommended, or just listed?

Recommended, with reasons and with an explicit statement of who should not buy the expensive option. Every roundup presents a beginner, an intermediate and an expert pick rather than one flat list, because those are three genuinely different purchases. The research is from published specifications and owner reports, not from cooking in person.