Baking calculators that do the maths for you
Build a sourdough formula, convert a whole recipe from cups to grams, swap cake tin sizes and translate oven settings between American, British and Australian recipes.
Baking tools
Sourdough Calculator
Build a full sourdough formula from hydration, starter and salt percentages, with inclusions and whole grain.
Levain Calculator
Work out how much starter, flour and water to mix so you have exactly the levain your recipe needs.
Recipe Converter
Paste a whole recipe and convert cups and spoons to grams, with US, UK and Australian measures.
Cake Pan Size Converter
Swap a recipe to a different tin size or shape and get the scaling factor and bake-time guidance.
Recipe Scaler
Halve, double or resize an ingredient list, with kitchen-friendly fractions.
Oven Temperature Converter
Convert °F, °C, fan oven and gas mark settings between US, UK and Australian recipes.
Ingredient Weight Chart
Grams per cup and spoon for common baking ingredients, with the source for every number.
Game night score keepers
Yahtzee
A full Yahtzee score card for up to 8 players, with the upper bonus and extra Yahtzees added for you.
Farkle
Track every turn to 10,000 and work out what a roll is worth with the built-in scoring helper.
Phase 10
Scores and phases for every player, round by round, so nobody forgets which phase they are on.
Five Crowns
All 11 rounds from threes to kings with the wild card shown, lowest total wins.
Golf (card game)
Nine holes or eighteen, low score wins, with a running total after every hole.
Mexican Train
Thirteen rounds from double twelve down to double blank, lowest total wins.
Spades
Enter bids and tricks; the scorekeeper handles bags, nil bids, and the 500-point finish.
Hand and Foot
Book bonuses, card counts, and going-out points per team, round by round.
UNO
Points to 500: the round winner scores every card left in the other hands.
Rummikub
Each round, losers subtract their tiles and the winner adds the total.
Euchre
Team points to 10 with marches, euchres, and loners counted for you.
Canasta
Melds, canastas, and red threes per team, to 5,000.
Any game
A blank scorekeeper for any game: name the players, add rounds, high or low score wins.
For teachers
Easy Grader
A printable score-and-grade chart for any number of questions.
Grade Curve Calculator
Curve a whole class's scores six ways and copy them back.
Rubric Grade Calculator
Turn rubric levels into fair percentages and grades.