Get dinner right, first time
97 cooking calculators for UK kitchens, times, conversions and portions. No sign-up, no scrolling through a life story, just the answer.
Most used
- Cooking Measurement ConverterConvert any cooking weight, volume or length in one place.
- Cups to Grams CalculatorTurn American cup measures into grams for the ingredient you are using.
- Grams to Ounces CalculatorConvert grams to ounces instantly, with pounds and ounces too.
- Oven Temperature ConverterConvert between °C, °F, gas mark and fan oven settings.
- US Recipe to UK ConverterConvert an American recipe into UK metric measurements and terms.
- Recipe Serving ScalerRescale a whole ingredient list up or down for the number of servings you need.
Cooking a whole meal?
Add each dish to My Meal as you work out its cooking time, then pick the time you want to eat. You get one plan for the whole meal, with a warning when two dishes want the oven at different temperatures.
Plan a mealBrowse by what you are doing
Conversions
Weights, volumes, spoons, cups and oven temperatures.
- Measurement converter
- Cups to grams
- Grams to cups
- Grams to ounces
- Ounces to grams
- ml to fluid ounces
- Spoons to ml
- Oven temperature
Portions & scaling
How much to cook, and how to resize a recipe.
- Recipe scaler
- Portion calculator
- Pasta per person
- Rice per person
- Meat per person
- Turkey size
- Potatoes per person
- Vegetables per person
Cooking times
Roasting times for meat and poultry, plus appliance conversions.
- Chicken cooking time
- Turkey cooking time
- Beef roasting time
- Lamb roasting time
- Pork roasting time
- Air fryer converter
- Microwave wattage
- Gammon cooking time
Baking
Tins, dough, cake portions and brines.
- Cake tin converter
- Dough hydration (straight doughs)
- Brine calculator
- Cake servings
- Pizza dough
- Dough balls
- Bread dough
- Sourdough hydration (with starter)
Storage & leftovers
How long food keeps, defrosting times and reheating safely.
See all 3 in Storage & leftoversEntertaining
Barbecues, buffets and feeding a crowd.
- BBQ quantities
- Buffet quantities
- Soup quantities
- Salad quantities
- Canapés
- Cheese board
- Children's party
- Christmas dinner
Step-by-step guides
When you want the whole job explained rather than one number, start here.
- How to Roast a Chicken
- How to Roast Beef
- How to Cook a Turkey for Christmas
- How to Make a Roast Dinner Finish at the Same Time
- Fan Oven vs Conventional Oven
- Cups to Grams: Why the Ingredient Matters
Questions and answers
Common cooking questions
How long should I cook a chicken for?
It depends on the weight of the bird and whether your oven is fan or conventional, so enter both on the chicken calculator and you get the roasting time, oven temperature, resting time and how to check it is cooked through.
How do I convert cups to grams?
You need to know the ingredient: a cup of flour and a cup of sugar weigh very different amounts because a cup measures volume, not weight. Pick the ingredient on the converter and it gives the weight in grams.
How much food do I need per person?
Start with the food itself (meat, potatoes, rice, pasta and vegetables all have their own sensible portion), then adjust for how many side dishes you are serving and whether you want leftovers.
How do I get several dishes to finish at the same time?
Work each dish out on its own calculator and add it to My Meal, then choose when you want to eat. You get one running order with start times, plus a warning when two dishes want the oven at different temperatures or there is not enough time left.
What is the fan oven equivalent of 180°C?
Fan ovens are normally set about 20°C lower than conventional ovens for the same dish, and gas marks follow their own scale. The oven temperature converter shows conventional, fan and gas mark side by side.
How long can I keep leftovers?
Cool them quickly, refrigerate them, and reheat until steaming hot only once. The leftovers calculator gives the fridge and freezer guidance for the specific food, with the Food Standards Agency source it comes from.
Why you can trust these numbers
Every cooking time comes from a written rule, minutes per kilogram, a fixed extra allowance, an oven temperature and a resting time, rather than a guess. Where food safety is involved we follow NHS and Food Standards Agency guidance and say where the figure comes from.
We would rather tell you we do not have reliable guidance for something than invent a number. Cooking times are a starting point: always check that meat is properly cooked before serving.