A LITTLE CLARITY, EVERY DAY
Life has questions.
Let’s do the math.
From the kitchen counter to your next big plan. Simple calculators, useful answers, and the working behind them.
Free to use No sign-up Formulas included
THE EVERYDAY TOOLKIT01 / CONVERT
A little less guesswork.
Pounds → kilograms
Kilograms
1 lb = 0.45359237 kg. Display rounded.
Open full converter8,174 calculators, one useful place.
Explore all toolsFIND YOUR STARTING POINT
A tool for what’s on your mind.
EVERYDAY ESSENTIALS
A useful place to start.
Pounds to Kilograms ConverterTo convert pounds to kg, multiply by 0.45359237.Percentage CalculatorFind any percentage of any number, with the remainder and the one-percent unit.Days Between Dates CalculatorCount the days between two dates, inclusive or exclusive, split into weekdays and weekend days.Mortgage CalculatorWork out the monthly payment, total interest and true cost of a mortgage.Compound Interest CalculatorSee how an initial amount plus regular contributions grows when interest compounds.Word CounterCount the words in any passage, with sentence and average-length figures.
MEET YOUR KITCHEN COMPANIONS
Good things come
in the right proportions.
A bigger batch. A different pan. A dough recipe that finally makes sense. Get the quantities sorted before you get your hands floury.
Explore baking tools01Recipe Scaling CalculatorResize a whole ingredient list by servings, with fractions and original units preserved.02Baker’s Percentage CalculatorFind dough hydration and ingredient percentages, including the flour and water in your starter.03Sourdough Starter Feeding CalculatorWork out starter, flour and water for a feeding ratio, or build a chosen final amount.04Cake Pan ConverterScale batter between round and rectangular pans, including pan counts and batter depth.05Pizza Dough CalculatorPlan flour, water, salt, yeast and oil from the number and weight of your dough balls.
GO A LITTLE DEEPER
Explore connected tools.
Volume & Capacity Unit PairsConvert the named units with a visible formula, worked example and reference values. Check unit conventions and rounding.482 calculatorsLength & Distance Unit PairsConvert the named units with a visible formula, worked example and reference values. Check unit conventions and rounding.418 calculatorsBaking Ingredient WeightsEstimate ingredient mass and volume using editable grams-per-cup assumptions. Each sourced default identifies its chart entry.346 calculatorsLiquid Ingredient WeightsEstimate ingredient mass and volume using editable grams-per-cup assumptions. Each sourced default identifies its chart entry.294 calculatorsTime Zones: from AsiaChoose a source date and clock time to convert between cities. Missing and repeated times are handled explicitly.288 calculatorsVolume ConvertersConvert the named units with a visible formula, worked example and reference values. Check unit conventions and rounding.272 calculators
01
Put in your numbers
Clear labels and visible units help you get the inputs right.
02
See the working
Follow the formula, examples and assumptions behind the result.
03
Keep what’s useful
Copy an answer and use it in your next step. Calculations run in your browser.