Calculators — page 4

214 projects, page 4 of 4

• Protein Per Dollar — Hit Your Protein Target on a Budget

  Calculate your per-meal protein goal from body stats and activity, then rank the cheapest protein sources using your actual store prices. Get a weekly meal plan with exact portions, costs, and a shopping list.

  Calculators · Food & drink

• Phone Upgrade Calc — True 3-Year Cost of Repair vs Upgrade

  See the honest cost-per-year of repairing vs upgrading your iPhone. Includes resale value decay at years 1/2/3 and battery replacement timing. No carrier upsell, no hidden assumptions.

  Calculators · Everyday life

• Own or Rent — Buy vs Rent Calculator for Any Gear

  Enter price, rental cost, usage frequency, and resale value to get an instant break-even point, 5-year cost chart, and resale-adjusted true cost of ownership. For tools, gear, sports equipment, and more.

  Calculators · Money & crypto

• Odds On — Test Your Probability Intuition in 2 Minutes

  Estimate 10 real-world probabilities on a slider, then reveal verified answers with sources. Get your calibration score, directional bias, and weakest spot.

  Calculators · Everyday life

• Nomad Runway — Your Personal Financial Runway Across 12 Destinations

  Calculate exactly how many months your income and savings last in 12 popular nomad destinations. Itemized rent, food, transport, visa, and tax costs. Data from Numbeo/Expatistan Aug 2026.

  Calculators · Money & crypto

• My Inflation — Calculate Your Real Inflation from 8 Grocery Prices

  Enter what you actually pay for 8 everyday staples and get a personal inflation rate compared to official statistics. No account, no backend, just your number.

  Calculators · Money & crypto

• My Inflation — Calculate Your Real Personal Inflation Rate

  Build your personal inflation basket with your own categories and prices. Compare your true cost-of-living increase to official CPI, save locally, and track your trend over time.

  Calculators · Money & crypto

• Meal Clock — Intermittent Fasting Eating Window Calculator

  Enter your sleep and wake times and instantly see how standard 16:8 misaligns with your day. Get a corrected eating window that keeps fasting hours during sleep, and compare 14:10, 16:8, 18:6, and OMAD side-by-side.

  Calculators · Food & drink

• Loan Trap — Decode Any Loan Ad's True Interest Rate in 10 Seconds

  Paste the daily or weekly rate from any microfinance loan ad. Instantly see the true APR, total repayment, and a 3-month rollover debt-explosion scenario before you or your family sign.

  Calculators · Money & crypto

• ⏳ Life Tax — See How Many Years Daily Waits Steal From Your One Life

  Calculate the compound lifetime cost of daily system-imposed waits — traffic, lines, outages, delays — in years, sunrises, and childhood moments. Name what has been taken from you.

  Calculators · Money & crypto

• Last Dollar — Budget Survival Game

  Survive a bad month on your income in 2 minutes. Allocate your budget, face random life events, and see exactly where your money breaks.

  Calculators · Money & crypto

• Landed Cost Lens — True Landed Cost Calculator for Importers

  Calculate full landed cost waterfall: tariff, VAT, freight, insurance, rail, handling, FX. Every assumption sourced, dated, and overridable. Free, no login.

  Calculators · Everyday life

• Fallback — Income Diversification Calculator for Freelancers

  Enter your income sources and get a 0–100 fragility score plus per-source vulnerability cards showing exactly what you lose if each client disappears.

  Calculators · Everyday life

• Half-Life — Know how long "temporary" really lasts

  Half-Life is a context-filtered statistical calculator that matches your crisis to historical precedents and reveals the real duration of "temporary" restrictions. Built for anyone facing an open-ended government measure who needs evidence, not hope, to plan their life.

  Calculators · Law, rights & politics

• Fill or Wait — Your Weekly Gas Cost Per $0.10 Swing

  Calculate your personal weekly fuel cost exposure to pump price changes. Enter tank size, weekly miles, and current price to see exactly how much each $0.10 swing costs you.

  Calculators · Money & crypto

• Real Fuel Cost — True Trip Cost Per Fuel Grade

  Calculate the real cost of your road trip by fuel grade. Enter distance, consumption, local prices and sulfur ppm — see total cost including editable catalyst wear risk. All formulas visible, no login, shareable link.

  Calculators · Travel & transport

• Pump Shock — Refinery Outage Fuel Cost Calculator

  Know your monthly fuel cost increase from any refinery outage in 15 seconds. Pick country, fuel, driving habits, shock preset — get a sourced, editable dollar forecast with duration.

  Calculators · Travel & transport

• My Fuel History: Gulf Crisis Calculator

  Enter your monthly fuel spend, type, and country to get a sourced table of historical percentage impacts from 5 Gulf crises (1987–2023). Replace headline fear with your personal baseline. Auto-saves to localStorage; result URL is bookmarkable for instant re-open when tensions flare.

  Calculators · Travel & transport

• Fuel Hit — See How Much a Fuel Price Hike Costs You Per Month

  Enter what you spend on groceries, commuting, and utilities. Drag the fuel-price slider. Get a transparent dollar figure showing exactly how much more you

  Calculators · Travel & transport

• For Now — Know Your Real Deadline Before Temporary Becomes Permanent

  For Now maps your specific temporary restriction against historical permanence curves from 40 countries. Reveal the Point of Permanence and your real deadline to act.

  Calculators · Work & productivity

• Fire Decision — Your Personal Wildfire Leave Trigger

  Convert fire distance, wind alerts, home type, and car load time into a binary GO/PREPARE/MONITOR decision with a named trigger like "Leave when fire crosses Highway 101." Based on CAL FIRE, NFPA 1144, and AUS BAL standards.

  Calculators · Safety & emergencies

• Family Taxi Calculator Russia — Compare Tariffs & Save

  Compare taxi tariffs for family trips with children. Enter route, kids ages, and booster ownership — get Standard, Family Tariff, and Bring-Own-Seat prices with car-seat rules applied. Based on Mintrans Order No. 44 (2024) and Traffic Code Art. 22.9.

  Calculators · Travel & transport

• 💵 Cash Ready — Emergency Cash Calculator

  Know your exact emergency cash number in 30 seconds. Enter your daily expenses, pick a disruption scenario, and get a per-category cash withdrawal plan plus a survival-day reality check.

  Calculators · Safety & emergencies

• Days Left — Know exactly how many days you have left

  Days Left converts any resource constraint — fuel, electricity, water, cash, food, medicine — into a personal survival countdown. See how many days you have at normal, essential, and survival usage.

  Calculators · Safety & emergencies

• Cost Per Use Calculator — Which Item Is Actually Cheaper?

  A side-by-side cost-per-use calculator. Enter two items with price, usage frequency, and lifespan to see which is actually cheaper per real use — not per sticker price.

  Calculators · Money & crypto

• Cool Bill — AC Running Cost Calculator | Hourly, Daily & Monthly Estimate

  See what your air conditioner really costs to run. Enter room size, AC type, and your temperatures — get hourly, daily, and monthly cost estimates plus exact savings from raising your thermostat 1-2°C.

  Calculators · Sports & fitness

• Control Budget — See Where Your Day Steals Your Freedom

  A visual control-budget tool that maps how much autonomy your weekly schedule gives you. Rate your hours across work, family, commute, admin, and chores, then get 5 personalized 5-minute freedom slots placed in gaps your schedule already has.

  Calculators · Money & crypto

• Commute True Cost — See Your Real Hourly Pay

  Calculate your true hourly wage under the EU ruling that commute time counts as work time. Enter salary, commute hours, and transport costs to see your effective rate.

  Calculators · Travel & transport

• Burn Clock — Your Personal Sun-Burn Countdown

  Convert today

  Calculators · Health & body

• Bulk Buy Calculator — Know Which Items Pay for Your Membership

  Enter your prices and household habits to get a personalized buy/don

  Calculators · Money & crypto

• Breed Check — Real Health Risks & Lifetime Costs for Any Dog Breed

  Get a sourced health profile for any dog breed: genetic issues, lifespan, annual vet costs, exercise needs, and apartment suitability. Data from OMIA, VetCompass, PetPlan/Healthy Paws 2023-2024, AAHA. Ad-free, no breeder links.

  Calculators · Health & body

• 👏 Bravo Tax — See What Praise Actually Costs

  Bravo Tax reveals the real price of recognition-as-substitute. Input the praise, award, or

  Calculators · Money & crypto

• Box Trap — See Why Loot Boxes Always Cost More

  Box Trap is a free interactive simulation where parents and players experience loot box mechanics firsthand. Buy 5 items outright for $40 or gamble on $5 boxes with fully visible drop rates — then compare your actual spending.

  Calculators · Everyday life

• 🫀 AI Gov Pulse — The People Decide What AI Decides

  A living, crowdsourced platform where 127,000+ citizens vote on how much decision-making power artificial intelligence should wield — from research gates to justice systems. Vote, simulate, and shape the rules before AI writes them itself.

  Calculators · Science & space