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Find the right calculator for a recipe, room, garden, craft, party or purchase.
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Showing 46 of 46 calculators
Cooking & Baking
Portions, recipes, temperatures and pan sizes.
INGREDIENTIngredient ConverterConvert cups and grams in either direction with an explicit cup size and ingredient-specific working estimates.RECIPE SCALING & COSTINGRecipe Scaling & CostingScale an ingredient list, plan purchase packs, split a batch and compare recipe costs per serving.OVEN TEMPERATUREOven Temperature ConverterConvert Celsius and Fahrenheit exactly, with a separate conventional/fan setting estimate and gas-mark reference.AIR FRYER CONVERSION & BATCH PLANNERAir Fryer Conversion & Batch PlannerCompare an explicitly qualified oven-based starting point with your appliance instructions, and plan realistic batches.PAN SIZEPan Size ConverterCompare round or rectangular pans using inside dimensions and actual batter fill depth.RICE PER PERSONRice Per Person CalculatorWork out dry rice for side dishes or main meals.PASTAPasta CalculatorPlan dried or fresh pasta using editable adult and child portions, serving role and pack size.BUTTER CONVERSIONButter Conversion CalculatorConvert butter between grams, ounces, tablespoons and US sticks.COFFEE RATIO & SUPPLYCoffee Ratio & Supply CalculatorCalculate brewing coffee from water and ratio, or plan beans for cups, days and purchase bags.
Home & DIY
Paint, tiles, wallpaper, flooring and concrete.
PAINTPaint CalculatorPlan wall, ceiling and fence paint with measured areas, coats, product coverage and whole tins.TILETile CalculatorCalculate tile area, pieces and packs from dimensions or an already measured area.WALLPAPERWallpaper CalculatorPlan full-height wallpaper strips, repeat matching and whole rolls.FLOORINGFlooring CalculatorEstimate floor area and packs including waste.CONCRETEConcrete CalculatorCalculate slab or cylinder volume and convert it into bags using the actual product yield.ROOM MEASUREMENTSRoom MeasurementsCombine rectangular sections and measure floors, walls, openings and room volume.MOVING BOX PLANNERMoving Box PlannerPlan box sizes and packing tape from measured or estimated contents volume.GROUTGrout CalculatorEstimate grout from tile dimensions, joint width and installation area.DECKING BOARDDecking Board CalculatorEstimate board rows, lengths and purchasing quantities from a rectangular deck layout.INSULATION ROLLInsulation Roll CalculatorPlan roll quantities by measured area or repeated bays, including layers and offcuts.CURTAIN FABRICCurtain Fabric CalculatorCalculate fabric widths and cut drops from pole width, fullness, hems and pattern repeat.DRYWALL SHEETDrywall Sheet CalculatorCompare net-area sheets with a conservative row layout for a wall.
Garden
Soil, mulch, raised beds and plant spacing.
SOIL & COMPOSTSoil & Compost CalculatorPlan soil, compost, topsoil and raised-bed layers with bag or bulk quantities.MULCHMulch CalculatorCalculate mulch or bark from area and depth, or use a supplier’s stated litres-per-area rate.PLANT SPACINGPlant Spacing CalculatorPlan rectangular grids, staggered rows, hedges or bulbs and round to purchase packs.CONTAINER SOILContainer Soil CalculatorCalculate potting mix for round, tapered and rectangular containers.LAWN SEEDLawn Seed CalculatorEstimate grass seed from lawn area and the packet sowing rate.FERTILIZER QUANTITYFertilizer Quantity CalculatorCalculate fertilizer from treatment area and label application rate.GRAVEL PATHGravel Path CalculatorCalculate path volume, supplier-density weight and bag quantities.WATERING VOLUMEWatering Volume CalculatorTranslate an entered water-depth target into volume after rainfall and application losses.TURF ROLLTurf Roll CalculatorWork out the lawn area, the turf coverage needed and the whole rolls to order after allowing for cuts.
Crafts
Yarn, fabric, knitting gauge and hook sizes.
YARNYarn CalculatorEstimate project yarn from a measured swatch or known area usage, and convert metres and yards.FABRICFabric CalculatorPlan repeated fabric pieces with seam allowance, usable width, grain direction and pattern repeat.KNITTING GAUGEKnitting Gauge CalculatorConvert measured stitch and row gauge into project counts, rounded to pattern multiples.CANDLE WAXCandle Wax CalculatorPlan vessel fill, wax, fragrance and whole bags for a candle batch.RESIN CASTINGResin Casting CalculatorCalculate mould fill and split the batch using the product’s stated volume or weight mixing ratio.BRACELET BEADBracelet Bead CalculatorEstimate bead count from finished length, clasp length, bead size and pattern repeat.SOAP BASESoap Base CalculatorEstimate melt-and-pour soap base from mould capacity or measured weight per bar.QUILT BACKING & BATTINGQuilt Backing & Batting CalculatorPlan backing joins and batting dimensions with explicit overhang and usable fabric width.
Parties & Family
Pizza, BBQ and party food without guesswork.
PARTY PLANNERParty PlannerPlan food, drinks, supplies and seating from one guest list, with editable portions and whole-pack buying quantities.PIZZAPizza CalculatorPlan whole pizzas from guest portions and actual pizza diameter, with leftovers and ordering cost.BBQBBQ CalculatorEstimate meat, vegetables, sides and bread for a barbecue.CAKE SERVINGS & CUTTING PLANNERCake Servings & Cutting PlannerChoose an explicit cutting layout and see portions, dimensions and volume rather than an unexplained servings multiplier.
Shopping & Household
Compare packs, unit prices and discounts.
UNIT PRICE & OFFERSUnit Price & OffersCompare equivalent quantities across pack sizes, bulk purchases and multibuy offers without mixing incompatible units.DISCOUNTDiscount CalculatorCalculate savings and final price, including an optional second discount.HOUSEHOLD SUPPLY PLANNERHousehold Supply PlannerPlan detergent, dishwasher tablets, coffee pods and toilet paper from your actual consumption, stock and pack sizes.PET FOOD SUPPLYPet Food Supply CalculatorEstimate pet food for a chosen number of animals and days, then round to whole bags.