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Napkin Math Tool

Logarithmic tables for estimations.

-2penny, small paper clip, individual grain of rice, single cotton ball, one sheet of paper, 1g of soil, single drop of fresh water-1text message, small candy, plastic pen, rubber band pack, paper napkin, 1kg of sand, 1L of fresh water, handful of topsoil0candy bar, song download, dollar store item, public transit ride, service tip, 1 cubic meter of air, small bundle of firewood1fast food meal, movie ticket, paperback book, basic streaming subscription, cocktail, 1 ton of raw limestone, small garden plot (1 sq meter)2decent pair of shoes, week of groceries, nice dinner for two, monthly utility bill, entry-level headphones, 1 barrel of crude oil, 1 ton of coal, small pine tree3one month's rent (some areas), budget laptop, domestic flights, basic furniture set, low-end bicycle, 1 acre of rural land, 1 ton of iron ore, small residential solar array4used car, year of in-state tuition, high-end appliances, budget wedding, luxurious vacation, 1 acre of arable farmland, small woodlot, 1 ton of copper ore5home down payment, luxury car, four-year degree, small business startup, year's salary for mid-level professional, small local businesses, pre-seed startups, 1 ton of refined copper, small natural gas well, 10 acres of forest land6house in most cities, retirement fund, small business acquisition, exotic supercars, multiple college educations, seed-stage startups, small local chains, small oil well, 1 ton of silver ore, small quarry operation7mansion in premium location, medium-sized jet, multi-location business, minor league sports team, significant art collection, early-stage startups, regional businesses, medium mining operation, small wind farm, 1 ton of gold ore8private island development, large business conglomerate, major market sports franchise, significant venture capital fund, feature film production, series B/C startups, medium-sized private companies, coal-fired power plant, small oil field, moderate hydroelectric dam9major sports teams, large commercial developments, significant philanthropic foundations, major research initiatives, large company ownership stakes, Instacart, Roblox, Reddit, large diamond mine, major forest reserve, all of a small country's lithium reserves10national high-speed rail line, global tech platform, major airline group, significant portion of a major city, multiple global pharmaceutical companies, Airbnb, Snap, Uber, PayPal, large oil field, major hydroelectric project, 1% of global rare earth elements11large country's annual budget, global banking group, major tech ecosystem, comprehensive national infrastructure, international space program, Meta, Tesla, Alphabet, 10% of the world's copper reserves, all of Canada's timber, major river system12GDP of countries like Indonesia or Mexico, entire U.S. defense budget, ~5% of U.S. economy, nation-scale infrastructure overhaul, ~1/32 of U.S. national debt, Apple, Microsoft, Saudi Aramco, NVIDIA, all the world's extracted gold (~200,000 tons), all the world's copper reserves, Amazon rainforest

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