Free interactive tools

Handy tools for makers and cooks

Quick calculators for the questions we kept asking ourselves: how much yarn, which hook, how many stitches, how much food. Free, no sign-up, and they work right in your browser.

For crochet projectsYarn CalculatorFind out roughly how much yarn to buy for a blanket, scarf, hat or bag, in yards, metres and skeins.Estimate my yarn Metric, US and UKCrochet Hook Size ConverterConvert crochet hook sizes between millimetres, US letters and old UK numbers, and see which hook suits each yarn weight.Convert sizes Sizes, stitches and rowsBlanket Size CalculatorChoose a blanket size, enter your gauge and get the number of stitches to start with and the rows to work.Plan my blanket For any recipeRecipe Scaler & Kitchen ConverterDouble or halve any recipe by pasting the ingredient list, and convert cups to grams and Fahrenheit to Celsius.Scale a recipe AI kitchen helperWhat Can I Cook Tonight?Type the ingredients you have and get three dinner ideas, with matching recipes from Life With Mira.Get dinner ideas Oven to air fryerAir Fryer Conversion CalculatorConvert any oven recipe to the air fryer: lower temperature, shorter time, and the right moment to check.Convert a recipe Swap pans with confidenceBaking Pan Size ConverterSee whether your pan holds the same batter as the recipe's, and how to scale the batter if it does not.Compare pans For potlucks and partiesParty Food CalculatorTell us how many guests are coming and for how long, and get a simple plan for appetizers, drinks, ice and plates.Plan my party