Curd never set
Usually milk that was too cold, ultra-pasteurised milk, or a rennet dose that was too low for the volume.
Cheese
Start with the rennet dose for the batch you actually have, then size the yield before you walk away from the pot. Each tool answers one cheesemaking question that recipe instructions usually leave vague.

The workflow
Cheesemaking has three levers people get wrong on the first batch: rennet dose, milk temperature, and the wrong type of milk for the cheese in mind. The calculators here address the first lever directly and warn you about the other two.
Match milk volume, cheese type, and rennet form (liquid, tablet, or powder) to a single headline number.
How much cheese will this batch actually produce? Covers soft, semi-firm, and hard styles.
Pick the cheese weight you want and let the tool tell you how much milk to buy.
Troubleshoot
Usually milk that was too cold, ultra-pasteurised milk, or a rennet dose that was too low for the volume.
Often soft-cheese dosing on a hard-cheese recipe, or milk that did not reach 32–35 °C before pitching.
Almost always too much rennet, especially with raw milk or warm-finishing milk.
Rennet overdose, very rapid set, or aged rennet that has shifted in concentration.
Low-fat milk, milk that was scalded above 38 °C before pitching, or curd cut too coarsely.
That is ageing, not the make day. The calculators here cover the pot — ageing is its own craft.
Rennet doses, milk-to-cheese yields, set temperatures, and troubleshooting on one printable sheet.
Learn
How to make cheese at home
Cheese cultures & starters
Making cheese from raw milk
Monterey Jack cheese recipe
Feta from goat milk
Mysost (whey) cheese
Easy cheese dessert recipes
Colby & mac and cheese recipes
How to make ricotta
How to make paneer
How to make halloumi
Boursin Cheese: What It Is & How to Make It at Home
Cotija Cheese Substitute: 7 Best Alternatives for Any Dish
Good Culture Cottage Cheese & Cottage Cheese Cultures Explained
Cottage Cheese: What It Is & How to Make It at Home
Cottage Cheese Recipes & How to Dry Cottage Cheese Curds
Cream Cheese Substitute: 8 Best Alternatives for Any Recipe
Evaporated Milk in Cheese, Yogurt & Fermentation
Farmer's Cheese: What It Is and How to Make It
How to Make Fresh Cheese at Home: A Beginner's Guide
Goat Milk Cheese: Types, How to Make It & Beginner Recipes
How to Make Gouda Cheese at Home
Greek Feta Cheese: How It's Made, PDO Rules & How to Make It at Home
How to Make Gruyere Cheese at Home
Homemade Cream Cheese: How to Make Cream Cheese at Home (2 Ingredients)
How to Make Camembert Cheese at Home
How to Make Cheddar Cheese at Home
How to Make Quark Cheese at Home
Low Fat Cream Cheese: Nutrition, How It's Made & How to Use It
Low Sodium Cheese: Best Options, How Much Salt Is in Cheese & Low-Salt Recipes
Mascarpone Substitute: 8 Best Swaps & a DIY Recipe
Neufchatel Cheese vs Cream Cheese: What's the Difference?
Semi-Soft Cheese: Types, How They're Made & How to Use Them
Sheep Milk Cheese: Why It's Different and the Cheeses to Know
Soft Cheese Making: A Beginner's Guide
Types of Milk for Cheesemaking: Which Milk Makes the Best Cheese?
How to Make Cultured Vegan Cream Cheese
White American Cheese Queso: Recipe, Dip & What Makes It Melt After the batch
First: use the rennet calculator to lock in the dose for your milk volume and cheese type.
Second: check the milk temperature against the calculator's reminder — 32–35 °C for most cheeses.
Finally: if the batch failed, switch to diagnostic mode and feed it what you actually used. Most fixes are temperature, not dose.
FAQ

Digital download · Print at home
Download the files and print your own copy. No book is shipped. Cheese, yogurt and kefir, by the numbers.


