Home & DIY

Estimate the number of premixed concrete bags needed for a given volume.

Calculate the number of rebar pieces needed across a slab length at a given spacing.

Estimate the number of insulation bags needed for an attic area at a target R-value.

Estimate gallons of primer needed for a wall area.

Calculate total linear feet of cabinetry from individual cabinet widths.

Calculate the minimum egress window well area from a standard code guideline (9 sq ft minimum).

Estimate tons of asphalt needed for a driveway from area, thickness, and standard density.

Estimate the number of retaining wall blocks needed from wall length, height, and block dimensions.

Estimate the number of foundation piers needed for a shed based on footprint and spacing.

Convert all-purpose flour from US cups to grams using a standard baking density (~120g per cup).

Convert all-purpose flour from grams to US cups using a standard baking density (~120g per cup).

Convert granulated sugar from US cups to grams using a standard density (~200g per cup).

Convert granulated sugar from grams to US cups using a standard density (~200g per cup).

Convert packed brown sugar from US cups to grams using a standard density (~220g per cup).

Convert powdered (confectioners') sugar from US cups to grams using a standard density (~120g per cup).

Convert butter from US cups to grams using a standard density (~227g per cup).

Convert US butter sticks to grams (1 stick = 1/2 cup ≈ 113g).

Convert honey from US cups to grams using a standard density (~340g per cup).

Convert milk from US cups to grams using a standard density (~240g per cup).

Convert vegetable oil from US cups to grams using a standard density (~218g per cup).

Convert uncooked rice from US cups to grams using a standard density (~185g per cup).

Convert rolled oats from US cups to grams using a standard density (~90g per cup).

Convert cocoa powder from US cups to grams using a standard density (~85g per cup).

Convert cornstarch from US cups to grams using a standard density (~120g per cup).

Convert table salt from US cups to grams using a standard density (~284g per cup).

Convert peanut butter from US cups to grams using a standard density (~258g per cup).

Convert chocolate chips from US cups to grams using a standard density (~170g per cup).

Convert yogurt from US cups to grams using a standard density (~245g per cup).

Estimate weekly and monthly diaper usage from daily change frequency.

Estimate monthly formula cost from daily ounces consumed and price per ounce.

Estimate monthly electricity cost from average daily kWh usage and rate.

Calculate annual electricity savings from switching to LED bulbs.

Estimate annual heating cost savings from lowering the thermostat by a number of degrees (1% savings per degree, common DOE guideline).

Calculate the payback period for an energy-efficient appliance from extra upfront cost and annual savings.

Estimate daily dog food portion using a common 2-3% of body weight guideline.

Estimate fish stocking capacity using the common 1 inch of fish per gallon guideline.

Estimate the AC tonnage needed for a home using a standard 20 BTU per sq ft rule of thumb.

Estimate the water heater tank size needed based on household size using a common guideline.

Estimate minimum septic tank size based on number of bedrooms using a standard guideline.

Estimate chlorine needed to raise free chlorine level for a given pool volume.

Estimate total heat output from a quantity of firewood given BTU per cord.

Estimate the generator wattage needed to run a sum of appliance loads with a safety margin.

Estimate the number of moving boxes needed based on home size.

Estimate required moving truck cubic footage from number of rooms using an average volume guideline.

Estimate a dog's age in human years using a commonly cited formula (16 × ln(dog age) + 31).

Calculate the amount of each component needed for a target mixing ratio and total volume.

Estimate the number of pavers needed for a patio area including waste allowance.

Estimate the number of drywall sheets needed for a wall or ceiling area.

Estimate square yards of carpet and padding needed for a room.

Calculate board feet for a piece of lumber from thickness, width, and length.

Estimate the number of wall studs needed for a wall length at standard on-center spacing.

Estimate roofing squares (100 sq ft units) needed from roof area.

Estimate how much wallpaper paste you need from wall area and your paste's coverage rate.

Scale a recipe ingredient amount from an original serving size to a new serving size.

Estimate how many gallons of paint are needed for a wall area, including a typical coverage rate and coats.

Estimate the number of tiles needed for a floor, including a waste allowance.

Estimate the volume of concrete needed for a slab from length, width, and thickness.

Estimate the air conditioner BTU rating needed for a room based on its area.

Calculate the number of steps and rise/run dimensions for a staircase given total height.

Convert all purpose flour from US cups to grams using a standard culinary density (~120g per cup).