All calculators

Cooking & Baking

• Cups to Grams Converter (by Ingredient) Convert US cups to grams for flour, sugar, butter, milk and 13 more ingredients using King Arthur Baking's weight chart. Fractions accepted.
• Oven Temperature Converter (Fahrenheit, Celsius, Gas Mark) Convert oven temperatures between Fahrenheit, Celsius and UK Gas Mark, with a fan-oven adjustment and a printable conversion chart.

Home & DIY

• Paint Calculator for Walls (Gallons or Litres) Work out how much paint you need for a room from its perimeter, wall height, doors, windows and coats, in US gallons or litres.

Crafts

• Yarn Calculator for Knitting & Crochet Blankets Estimate how much yarn a blanket, scarf or shawl needs from a gauge swatch, in grams or yards, and how many skeins to buy.

Date & Time

• Days Between Dates Calculator Count the number of days, weeks and weekdays (Monday to Friday) between two dates, with an option to include the end date.