Everyday calculators
37 free everyday tools, each with the formula and step-by-step working.
- Babysitting Rate CalculatorFair hourly babysitting pay based on kids and hours.
- Carbon Footprint CalculatorAnnual CO₂e from driving, flying, home and diet.
- Cat Litter Cost CalculatorMonthly and annual cost of cat litter.
- Chore Split CalculatorFair division of household tasks.
- Cocktail Batch CalculatorScale a cocktail recipe up for a party batch.
- Coffee to Water Ratio CalculatorRight amount of coffee grounds for your brew.
- Divorce Cost CalculatorEstimated legal and filing costs for a divorce.
- Dog Food Portion CalculatorDaily food portion for your dog by weight and activity.
- Double Discount CalculatorStacked discounts and the real saving.
- Espresso Ratio CalculatorCoffee dose and yield for a target espresso ratio.
- Funeral Cost CalculatorEstimated total cost of a funeral service.
- Garage Sale Pricing CalculatorSuggested resale price for used items.
- Gift Budget CalculatorPlan holiday gift spending.
- Grocery Coupon Savings CalculatorStack a coupon with a store sale price.
- Homebrew ABV CalculatorAlcohol by volume from original and final gravity.
- Hourly Parking Fee CalculatorTotal parking cost from an hourly rate and duration.
- Meeting Time Across Timezones CalculatorFind a meeting time that works across offsets.
- Moving Truck Size CalculatorRecommended rental truck size for your move.
- Paint Drying Time CalculatorRecoat and cure time adjusted for conditions.
- Pet Food Cost CalculatorMonthly and yearly pet food spend.
- Pet Insurance Cost CalculatorEstimated annual cost and breakeven for pet insurance.
- Pizza Dough Hydration CalculatorWater, salt and yeast from flour weight and hydration %.
- Price Per Ounce CalculatorCompare unit prices across package sizes.
- Reading Time CalculatorHow long a word count takes to read or speak.
- Recipe Batch Scaling CalculatorScale every ingredient to a new batch size.
- Ring Size CalculatorRing size from finger circumference or diameter.
- Shirt Size CalculatorYour shirt size from chest, neck and sleeve measurements.
- Shoe Size ConverterUS, UK, EU and centimetre shoe sizes.
- Split Bill CalculatorFair shares when people owe different amounts.
- Storage Unit Size CalculatorRecommended storage unit size for your belongings.
- Subscription Cost Per Use CalculatorIs that subscription actually worth it?
- Time Card Hours CalculatorTotal hours worked from clock in/out times.
- Uneven Bill Split CalculatorSplit a bill by what each person actually ordered.
- Unit Price CalculatorCompare which pack size is genuinely cheaper.
- Wedding Budget CalculatorSplit a wedding budget by category.
- Word and Character CounterWords, characters, sentences and reading time.
- Yarn Weight CalculatorYardage, skeins and substitution for any project.
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