🏠 Everyday Life
Everyday Life Calculators
Tips, bill split, fuel cost, GPA, passwords, and random picks.
46 tools in this category
Showing 46 of 46
- Split Bill CalculatorSplit a restaurant bill with optional tip across any number of people.
- Fuel Cost CalculatorEstimate trip fuel cost from distance, economy, and price per unit.
- GPA CalculatorWeighted GPA from course grades and credit hours (4.0 scale).
- Grade Percentage CalculatorConvert score over total into a percentage and letter-grade hint.
- Password Strength CheckerHeuristic strength score for a password (checked only in your browser).
- Random Number GeneratorGenerate a random integer between min and max (inclusive).
- Everyday Tip HelperQuick tip presets for coffee, haircuts, delivery, and dining.
- Time to Decimal HoursConvert hours and minutes into decimal hours for timesheets.
- Cooking Unit ConverterConvert common cooking volume units (tsp, tbsp, cups, ml, liters).
- Pace (min/km) HelperConvert a target pace in min/km into speed and race finish times.
- Time Zone DifferenceApproximate hour offset between two IANA time zones right now.
- Tip + Tax ComboAdd sales tax and tip to a bill, with optional per-person split.
- Square Footage CalculatorCompute area from length and width in feet or meters.
- Concrete Volume CalculatorEstimate cubic yards of concrete for a slab.
- Paint Coverage CalculatorEstimate gallons of paint needed for wall area and coats.
- Tile CalculatorEstimate tiles needed for a room including waste factor.
- Stair Stringer (Rough)Rough riser count and total run for a stair stringer.
- Fence Posts CalculatorHow many fence posts for a run length and spacing.
- Roof Pitch CalculatorConvert rise/run into pitch ratio, degrees, and slope percent.
- Gravel / Mulch CalculatorCubic yards (and rough tons) of gravel or mulch for a bed.
- Flooring Cost CalculatorEstimate material cost for flooring with waste allowance.
- Recipe ScalerScale ingredient amounts from original servings to desired servings.
- Oven Temperature ConverterConvert oven temperatures between °C, °F, and gas mark.
- Grams ↔ Cups (by ingredient)Convert grams to cups using ingredient density (g per cup).
- Tip + Tax + SplitAdd tip and sales tax, then split the bill among diners.
- Commute Cost CalculatorEstimate daily/monthly commuting cost from distance, MPG, and fuel price.
- Password Entropy EstimatorRough entropy bits from password length and character-set size.
- Wallpaper Rolls CalculatorEstimate wallpaper rolls from wall area and roll coverage.
- Board Feet CalculatorLumber board feet from thickness, width, length, and count.
- HVAC Tonnage (Rough Rule)Very rough AC tonnage from square footage (rule of thumb).
- Drywall Sheets CalculatorHow many drywall sheets you need from wall area, sheet size, and waste.
- Lumber Linear FeetTotal linear feet from piece count and length.
- Gravel / Aggregate TonnageCubic yards and tons of gravel from length, width, and depth.
- AC BTU CalculatorRough air conditioner sizing in BTU/h from room size and climate.
- Concrete Bags CalculatorBags of concrete mix from slab dimensions and bag volume.
- Decking Boards CalculatorEstimate deck boards from deck size, board width, and length.
- Tip by CountrySuggested tip percent and amount by dining culture norms.
- Uneven Bill SplitSplit a total by custom share weights (e.g. 2, 1, 1).
- Fuel vs EV CostCompare gasoline vs electric energy cost for the same miles.
- Simple Carbon FootprintRough CO₂e from car miles, flight hours, and home electricity.
- Subscription Cost RollupAnnual and 5-year cost of recurring subscriptions.
- Unit Price CalculatorPrice per unit for grocery and shopping comparisons.
- Moving Boxes EstimatorEstimate small/medium/large moving boxes from rooms and clutter level.
- Parking Fee CalculatorTotal parking cost from hourly rate, hours, and daily cap.
- Grocery Budget per PersonWeekly and monthly grocery budget from household size and spend level.
- Insulation R-Value LayersAdd R-values of insulation layers for an approximate total R.