Useful tools
Calculators
Interactive planning calculators from Useful Atlas. Estimate scenarios, compare options, and use the results as a starting point before speaking with a professional.
Pool Volume & Fill Calculator
Estimate pool water volume, fill time, water cost, and turnover planning from pool shape, dimensions, depth, and fill rate.
Open calculatorStorage Unit Size Calculator
Estimate storage volume, unit size fit, aisle space, and packing density from boxes, furniture, rooms, and home size.
Open calculatorRoof Shingle & Material Calculator
Estimate roof area, squares, shingle bundles, underlayment rolls, waste, and material cost from footprint, pitch, and roof sections.
Open calculatorAI and automation calculators
Tools for API spend, local AI planning, automation tradeoffs, and model selection decisions.
AI and automation
NewAI API Cost Calculator
Estimate AI API spend from input tokens, output tokens, request volume, token prices, cached-input discounts, and monthly usage assumptions.
Open calculatorAI and automation
NewLocal AI Hardware Checker
Check whether a Windows, Mac, or Linux machine is likely to run a local AI model based on RAM, VRAM, model size, quantization, and workload.
Open calculatorHome project calculators
Material, quote, and household project planning tools.
Home planning
NewHome Maintenance Cost Planner
Estimate a monthly home maintenance reserve, annual routine cost range, known repair set-aside, emergency cushion, and top risk drivers.
Open calculatorQuote
Contractor Quote Checker
Compare contractor and home-service quotes by total cost, missing scope details, warranty, insurance, cleanup, and change-order risk.
Open calculatorHome projects
NewPaint Project Cost & Material Calculator
Estimate paintable area, primer and paint gallons, supply cost, labor hours, and a practical planning total for an interior painting project.
Open calculatorHome projects
NewSquare Footage Calculator
Calculate square footage for rooms, walls, floors, ceilings, patios, and project areas with waste buffer and quick material planning.
Open calculatorHome projects
NewFlooring Material & Cost Calculator
Estimate flooring area, waste, boxes or cartons, material cost, underlayment, trim, and a realistic planning total before comparing quotes.
Open calculatorHome projects
NewMulch, Soil & Gravel Calculator
Estimate mulch, soil, compost, gravel, or sand volume from area and depth, then compare bags, bulk yards, cubic meters, and material cost.
Open calculatorHome projects
NewFence Material & Cost Calculator
Estimate fence posts, panels, rails, pickets, gates, concrete, material cost, and a practical project planning range.
Open calculatorHome projects
NewTile Material & Layout Calculator
Estimate tile area, tile count, boxes, waste, thinset, grout, and material cost for floors, walls, kitchens, and bathrooms.
Open calculatorHome projects
NewConcrete Slab & Bag Calculator
Estimate concrete volume, bags, bulk yards or cubic meters, material cost, and waste buffer for slabs, pads, patios, and small pours.
Open calculatorHome projects
NewDrywall Sheet & Material Calculator
Estimate drywall sheets, wall and ceiling area, screws, tape, joint compound, waste, and material cost for room remodel planning.
Open calculatorHome projects
NewRoof Shingle & Material Calculator
Estimate roof area, squares, shingle bundles, underlayment rolls, waste, and material cost from footprint, pitch, and roof sections.
Open calculatorHome projects
NewPool Volume & Fill Calculator
Estimate pool water volume, fill time, water cost, and turnover planning from pool shape, dimensions, depth, and fill rate.
Open calculatorSolar
Solar Self-Sufficiency Calculator
Estimate solar production, battery impact, grid imports, exports, and rough yearly savings from a few simple inputs.
Open calculatorHousehold and moving calculators
Tools for recurring costs, moves, storage, and everyday planning.
Moving
NewMoving Box & Truck Space Calculator
Estimate moving boxes, packing volume, truck space, storage unit fit, and packing supply cost from rooms, people, and home size.
Open calculatorMoving
NewStorage Unit Size Calculator
Estimate storage volume, unit size fit, aisle space, and packing density from boxes, furniture, rooms, and home size.
Open calculatorLiving costs
Living Cost Calculator
Build a monthly living-cost snapshot with custom expense rows, household income, savings potential, category totals, CSV export, and a printable household report.
Open calculatorEveryday utility calculators
Fast calculators for common math, unit, and calendar questions.
Everyday utility
NewUnit Conversion Calculator
Convert length, area, volume, weight, and temperature between common US and metric units with copyable results.
Open calculatorEveryday math
Percentage Calculator
Calculate percent of a number, percentage change, percent difference, discounts, markups, and reverse percentages without spreadsheet setup.
Open calculatorTime and dates
Date Difference Calculator
Count days between dates, see weeks and weekdays, add or subtract time, and calculate precise time duration between two timestamps.
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