The Tools Network

Free tools & calculators

A growing network of free, no-signup calculators and guides. All run in your browser, none collect your data, and every one is built to give you the honest numbers.

Home & Energy
⚡ Power Station Calculator whatpowerstationdoineed.com Size a portable power station from your appliances, or see how long one will run your gear. You are here 🛠️ DIY Project Calculator thediyprojectcalculator.com Material estimators for fencing, flooring, roofing, paint, decks, drywall, and more. 💲 Service Cost Guide theservicecostguide.com Average cost of 100+ home, auto, and professional services by U.S. state. 🌱 Garden Frost Date Planner gardenfrostdates.com Last & first frost dates by zip code plus a planting schedule for 50+ vegetables.
Real Estate & Mortgage
🏠 Mortgage & Real Estate Ally themortgageandrealestateally.com Affordability, payment, amortization, first-time buyer, investment & STR tools. 🔄 The Rent or Buy Guide therentorbuyguide.com True cost of renting vs buying, breakeven timeline, and scenario planner. 💎 The Home Equity Calculator thehomeequitycalculator.com HELOC vs home equity loan vs cash-out refi, plus a home-equity investment modeler.
Personal Finance
💵 Salary Explained salaryexplained.com Salary-to-hourly, job-offer comparison, overtime, and salary lookup by state. 📉 Paycheck Calculator whyismypaychecksosmall.com See every paycheck deduction explained — federal, state, FICA — for all 50 states. 💳 The Credit & Debt Ally thecreditanddebtally.com Avalanche vs snowball payoff, balance-transfer math, and consolidation analysis. 🧾 Free Invoice Generator thefreeinvoicegenerator.com Professional invoices with logo, multi-currency, VAT/GST, and PDF download.
Insurance & Auto
🛡️ The Insurance Ally theinsuranceally.com Coverage calculators & rate estimators for auto, home, renters, landlord & moto. 🚗 Lease vs Buy a Car shouldileaseorbuyacar.com True total-cost comparison of leasing vs buying, with depreciation modeling. 🔑 Used Car Buyer's Guide theusedcarbuyersguide.com 40-point inspection checklist, negotiation tactics, and a classic-car section.
Lifestyle & Specialty
🌙 Kids Bedtime Calculator kidsbedtimecalculator.com Science-based bedtimes by age, nap schedules, and a sleep-regression guide. 🏋️ Rep Max Calculator therepmaxcalculator.com 1-rep max (6 formulas), Wilks & DOTS, warm-up sets, and a plate calculator. 🥖 The Baker's Calculator thebakerscalculator.com Baker's percentages, recipe scaling, hydration, and pan-size conversions. 🧶 The Tufting Calculator thetuftingcalculator.com Yarn yardage from a rug image, plus rug pricing and a needle guide. 🎮 The Streamer Toolkit thestreamertoolkit.com Giveaway picker, income & subathon planners, and an AI title generator.