About Us - Baking Converters

Baking is one of the few culinary disciplines where precision isn’t optional — it’s foundational. A tablespoon too much of baking powder can ruin a cake. A few grams too little butter can change the texture of a croissant entirely. And yet, bakers around the world are constantly forced to navigate a tangled web of measurement systems — US customary, metric, imperial — often with nothing more than a rough Google search and a prayer.

BakingConverters.com was built to solve that problem once and for all. We are a dedicated baking measurement resource designed from the ground up to deliver fast, reliable, and scientifically grounded unit conversions for every ingredient and measurement unit you’ll encounter in baking.

Our Commitment to Accuracy

Accuracy is not a feature of BakingConverters.com. It is the entire point.

Every conversion on this site has been researched, cross-referenced, and validated against authoritative sources. We do not round loosely. We do not estimate. We do not rely on a single source. Our goal is to give you a number you can trust — one that will produce the same result whether you’re baking in New York, London, or Tokyo.

What Accuracy Means to Us

When we say a conversion is accurate, we mean the following:

The underlying conversion factor has been verified against at least two independent, authoritative sources.
The result has been tested against real-world baking outcomes where applicable.
The displayed precision matches the practical precision of the measurement — we don’t show you eight decimal places when your kitchen scale reads to the nearest gram.
Edge cases, rounding behaviors, and ingredient-specific variations have been identified and documented.

We treat every conversion as a claim, and every claim requires evidence.

Our Methodology

Standard Unit-to-Unit Conversions (Volume and Weight)

For straightforward unit conversions — cups to tablespoons, grams to ounces, teaspoons to milliliters — we use internationally recognized conversion factors defined by standards bodies and metrology organizations.

Our primary reference standards include:

The National Institute of Standards and Technology (NIST): NIST Handbook 44 and NIST Special Publication 811 define the relationships between US customary units, metric units, and international standards. These are the definitive references for unit definitions in the United States.
The International Bureau of Weights and Measures (BIPM): The BIPM maintains the International System of Units (SI), which defines the gram, kilogram, liter, and milliliter. All metric conversions on our site align with SI definitions.
The US Food and Drug Administration (FDA): The FDA defines specific volume measurements used in US nutrition labeling and food packaging, including the legal definitions of a US cup (236.588 mL), tablespoon (14.787 mL), and teaspoon (4.929 mL). We use these definitions for all US customary volume conversions.

For example, when we state that 1 US cup equals 16 US tablespoons, that is not an approximation. It is a defined relationship. When we state that 1 US cup equals 236.588 milliliters, that figure comes directly from NIST’s defined conversion of 1 US fluid ounce = 29.5735 mL, multiplied by 8 fluid ounces per cup.

We never use rounded “close enough” values as our base conversion factors. Rounding, when it occurs, happens only at the final display step and is always appropriate to the context.

Ingredient-Specific Volume-to-Weight Conversions

This is where most baking conversion tools fail — and where we invest the most effort.

A cup of all-purpose flour does not weigh the same as a cup of granulated sugar. A cup of cocoa powder does not weigh the same as a cup of brown sugar. Volume-to-weight conversions are ingredient-dependent, and getting them wrong is the single most common source of baking measurement errors.

Our process for establishing ingredient-specific density values:

Source Identification: We begin by identifying the most authoritative published sources for each ingredient’s volume-to-weight ratio. Our primary sources include:
- The USDA FoodData Central database, which provides nutrient and density data for thousands of food items.
- King Arthur Baking Company’s published ingredient weight chart, which is widely regarded as the gold standard among professional and home bakers in the United States.
- The Culinary Institute of America’s published measurement references.
- Peer-reviewed food science literature where density measurements have been conducted under controlled conditions.
Cross-Referencing: We compare values across multiple sources. If the USDA says a cup of all-purpose flour weighs 125 grams, and King Arthur says it weighs 120 grams, we investigate the discrepancy. In this case, the difference comes down to measuring method — the USDA value assumes a “scoop and level” technique, while King Arthur uses a “spoon and level” method, which produces a lighter, less compacted cup.
Method Documentation: Rather than picking one number and ignoring the other, we document the measurement method associated with each value. Where significant variation exists between methods, we present the most commonly used value as the default while noting the range. Our stated values use the spoon-and-level method as the default unless otherwise noted, as this is the method recommended by the majority of professional baking sources.
Granularity and Specificity: We do not treat broad ingredient categories as monoliths. We distinguish between:
- All-purpose flour, bread flour, cake flour, whole wheat flour, almond flour, and coconut flour — each with its own density profile.
- Granulated sugar, powdered (confectioners’) sugar, brown sugar (packed and unpacked), and raw/turbinado sugar.
- Unsalted butter, salted butter, and European-style butter.
- Dutch-process cocoa and natural cocoa powder.
- Various forms of each ingredient (sifted vs. unsifted flour, packed vs. loosely measured brown sugar).
Validation: Where possible, we validate our published density values by conducting or referencing controlled weighing tests. A controlled test involves measuring a given volume of the ingredient using a standardized technique on a calibrated digital scale and comparing the result to our published figure.

Handling Ambiguity and Regional Variation

Baking measurements are not universal. The word “cup” means different things in different countries, and failing to account for this is a major source of conversion errors.

Regional unit definitions we account for:

US Cup: 236.588 mL (8 US fluid ounces). This is the standard cup used in American recipes and is our default unless otherwise specified.
Metric Cup: 250 mL. Used in Australia, New Zealand, and some Canadian recipes.
Imperial Cup: 284.131 mL (10 imperial fluid ounces). Used in some older British and Canadian recipes.
Japanese Cup: 200 mL. Used in Japanese cooking and baking.

Similarly, a “tablespoon” is 14.787 mL in the US, 15 mL in metric countries, and 20 mL in Australia. A “pint” is 473 mL in the US but 568 mL in the UK.

Every converter on BakingConverters.com clearly identifies which unit system is being used. We default to US customary units but provide options for metric, imperial, and Australian measurements where applicable. We never leave unit definitions ambiguous.

Temperature Conversions

Oven temperatures are a common source of confusion, especially when working with recipes from different countries. We provide precise Fahrenheit-to-Celsius conversions using the standard formula (°C = (°F − 32) × 5/9) as well as a reference for common gas mark equivalents used in British recipes.

Our temperature conversion tables account for the fact that most home ovens are accurate only to within ±25°F (±14°C), so we present both the mathematically precise conversion and the nearest practical oven setting.

Egg Size Conversions

Recipes from different countries assume different standard egg sizes. A “large” egg in the US weighs approximately 50 grams (without shell), while a “large” egg in the EU weighs 63–73 grams (with shell). We provide egg size conversion tables that account for US (USDA grading), EU, UK, and Australian egg size classifications so that bakers working with international recipes can adjust accordingly.

Our Standards for Display and Rounding

Precision without context is noise. Showing a baker that 1 cup of flour equals 124.9999712 grams is technically more precise, but it’s not more useful than saying 125 grams. Our rounding philosophy is built around practical utility:

Weight conversions are displayed to the nearest gram for values over 10 grams, and to one decimal place for values under 10 grams.
Volume conversions are displayed to the nearest commonly used kitchen fraction (¼ teaspoon, ½ tablespoon, etc.) when the result falls close to a standard measure, and to two decimal places otherwise.
Underlying calculations always use full-precision conversion factors. Rounding is applied only at the display layer, never in intermediate steps. This prevents the accumulation of rounding errors in multi-step conversions.

We believe you deserve to know how your number was derived, not just what it is.

What We Don’t Do

Transparency also means being honest about our limitations.

We are not a recipe site. We provide conversions and measurement data, not recipes. Our expertise is in units, not in telling you how to bake a soufflé.
We do not account for altitude or humidity. These factors affect baking outcomes but are not measurement conversion issues. We may provide educational content about these topics, but they do not alter our published conversion values.
We do not provide nutritional information. While we reference the USDA FoodData Central database for density values, we do not republish calorie, macronutrient, or micronutrient data. Use the USDA database directly for nutritional needs.
We do not guess. If we cannot verify a conversion to our standards, we do not publish it. You will never find a number on this site that we cannot trace back to a documented source.

Our Update Process

Baking measurement standards are generally stable, but they do evolve. New USDA data releases, corrections to published reference values, and user-reported discrepancies all trigger a review process.

When we update a conversion value, we:

Document the previous value and the reason for the change.
Verify the new value against at least two independent sources.
Update all affected converters simultaneously to prevent internal inconsistencies.
Note the update date on the affected page.

We review our core conversion factors annually, even when no specific update has been triggered, to ensure ongoing alignment with current reference standards.

Who We Serve

BakingConverters.com is built for anyone who cares about getting their measurements right:

Home bakers who want to confidently convert a European recipe that uses grams into the cups and tablespoons their American measuring tools provide.
Professional bakers and pastry chefs who need quick, reliable reference values they can trust without pulling out a textbook.
Culinary students who are learning to work across measurement systems and need a dependable resource.
Food bloggers and recipe developers who want to provide accurate metric and imperial equivalents for their readers.
Anyone who has ever stared at a recipe that calls for “200g flour” and wondered how many cups that is — and wanted an answer they could trust.

Our Promise

Every number on BakingConverters.com is backed by research. Every conversion is traceable to a documented source. Every methodology decision is explained, not hidden.

We believe that if you’re going to trust a measurement, you should be able to understand where it came from. That’s not just our approach — it’s our obligation to every baker who relies on us.

Measure with confidence. Bake with precision.

Questions?