When a US recipe meets a metric kitchen
You found the perfect banana bread on an American food blog, scaled it in your head, and then hit the wall every home baker outside the States knows: two cups of flour, one stick of butter, and an oven set to 350°F. Your scale reads grams. Your dial reads Celsius. Your butter comes in a 250g block with no stick markings anywhere in sight. ConvertMM was built for exactly that moment — the small, specific translations that stand between you and dinner. Instead of one giant do-everything calculator, this site gathers the handful of kitchen and craft conversions that actually trip people up and gives each one a proper home.
The reason cups and grams deserve their own tool, rather than a generic volume converter, is that a cup is a measure of space and a gram is a measure of mass — so the number changes with the ingredient. A cup of all-purpose flour is about 120 grams, a cup of granulated sugar is closer to 200, and a cup of packed brown sugar heavier still. Our Cups to Grams Converter carries ingredient-specific densities for more than twenty-five common pantry items, so you never have to guess whether "one cup" means the same weight for cocoa powder as it does for rice. That single detail is why a scale beats a measuring cup for baking: weight is honest, volume depends on how firmly you scooped.
Baking is chemistry, so precision earns its keep
Bread, cakes and pastry are the parts of cooking where measurement really bites. A stew forgives a rough handful; a génoise does not. That is why the baking tools here lean toward exactness. The Oven Temperature Converter moves cleanly between Fahrenheit, Celsius and British gas marks, and — crucially — it factors in fan or convection ovens, which typically run about 20°C hotter than their conventional setting on the same number. Set gas mark 4, and you will see it lands near 180°C conventional or roughly 160°C fan, the difference between a golden sponge and a dry one. The Butter Stick Converter untangles the other classic American shorthand: one stick equals 8 tablespoons, half a cup, 4 ounces, or about 113 grams, so non-US bakers can slice a European block with confidence.
Two more tools round out the baking bench. The Tablespoon & Teaspoon Converter handles the fiddly small volumes — and quietly reminds you that a US tablespoon and an Australian tablespoon are not the same size — while the Fluid Ounces to Milliliters Converter keeps US and imperial liquid measures apart, since a US pint and a UK pint genuinely differ. And when a recipe serves eight but you are cooking for three, the Recipe Scaler multiplies or divides every ingredient by whatever factor you choose, halving and doubling included, so you are not doing fraction arithmetic with sticky hands.
The same problem, over at the craft table
Measurement confusion does not stop at the kitchen door. Sewists, quilters and knitters wrestle with the identical mix of imperial and metric systems, often within a single pattern printed for another country. If you buy fabric online, the most useful number in the listing is usually its GSM — grams per square meter — and our Fabric Weight (GSM) Converter translates that into ounces per square yard or, for silk, momme, so you can tell featherweight voile from upholstery canvas before it arrives. The Yards to Meters Fabric Converter and the Fabric Yardage Calculator work together for the buying stage: one converts a length between yards, meters, feet and inches, and the other tells you how much cloth a project actually needs once you have laid out your pattern pieces.
Then there are the details that quietly wreck a finished garment. The Sewing Seam Allowance Converter shifts between 5/8 inch, centimeters and millimeters and shows how a small allowance difference compounds across every seam in a garment — a couple of millimeters over sixteen seams is the gap between a fit and a frustration. For the yarn crowd, the Knitting & Yarn Weight Converter maps the maddening naming systems onto each other, so US "fingering," UK "4-ply" and Australian equivalents finally line up, complete with wraps-per-inch guidance. And because a pattern is only as good as your tension, the Knitting Gauge Converter switches stitch and row counts between 4-inch and 10-centimeter swatches and helps you recalculate stitch counts when your gauge does not match the designer's.
How to actually use this place
You do not need to read a manual. Each tool sits on its own page with the input up top and a plain-language explanation underneath — the how and the why, not just a number. Type your value, pick your units or ingredient, and read the result; then, if you are curious, scroll down for the context that stops the mistake happening again. Everything runs in your browser, free, with no account and no app to install, so it works the same whether you are propping your phone against the flour bin or checking a fabric order on a laptop. Our blog goes deeper on the topics that reward it — what GSM really tells you before you buy, how yarn weight labels differ across three countries, why seam allowance conversions matter more than they look — and it is written by people who cook and craft rather than people who sell numbers. Bookmark the converter you reach for most; whether that is cups-to-grams for weekend baking or GSM for your next fabric haul, the aim is the same: get the measurement right the first time so you can get on with the fun part.