Utilities1 month ago
Free Online Calculators for Finance, Health & Math | RealCalculators
Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
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Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X
Free, fast, and privacy-first online utilities. Growing suite of browser-native calculators, converters, and web tools with zero server tracking.
@twistertools · X
Free, fast, and privacy-first web utilities & converters. Thank you!
Calculate mortgages, loans, taxes, savings, and budgets online.
@darsh0891 · X
Meet CalcyFinance — the simple way to track your budgets, monitor spending, hand actually hit your savings goals without the headache. Stop guessing where your money goes. Try it out: 👍 #PersonalFinance #Budgeting #Fintech #buildinpublic
Free calculators to help homebuyers understand their offer before submitting.
u/Offer-Buildr · Reddit
I built a free suite of home offer calculators because I felt that most mortgage calculators answer the wrong question I started and run a small free tool called "Offer Buildr" that helps homebuyers understand an offer before their agent writes it. The core builder turns a listing price into true monthly cost and cash to close, then walks the ten decisions in an offer and prints a one page summary to hand your agent. Last week I shipped the piece I wish I had started with: five single-ques
Select a crop to calculate its value, mutations, and trading profit.
growagarden-calculator — 页面精美、功能强大的 《Grow a Garden》 游戏交易 / 攻略工具，在疯狂圈粉 1600 万 + 玩家的 Roblox 神作《Grow a Garden》中，想靠“三秒算账”闯荡菜市？这就是 Grow a Garden Calculator 存在的意义：帮你秒算作物价值、预测突变收益，还附送一整套天气 / 交易 / 攻略工具，专治“不会算
Free calculators for DIY home projects like woodworking, decks, concrete, and drywall.
u/CaboWabo55 · Reddit
Built a DIY calculator site in a weekend — betting on "boring tools" over content After my last project (an AI debate platform) got rejected by AdSense for "low value content," I went the opposite direction: no content treadmill, no AI features, no backend. Just genuinely useful calculators. studandslab.com — 10 free calculators for woodworking and home projects (board feet, stair stringers, concrete, drywall). Everything runs client-side, so hosting is free and every visitor costs me $0.
Analyze crypto price spreads across 14+ exchanges in real-time to identify arbitrage opportunities.
@instantarb_io · X
Hi. Building a real-time platform for crypto arbitrage, funding rates, and market analytics.
Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X
Calculate crop values and profit with mutations in Roblox Grow a Garden.
种植花园计算器 — 使用“种植花园价值计算器”来规划您的 Roblox 作物，应用金色和彩虹等突变，并在每次收获时增加您的 Sheckles。
Calculates concrete needed for slabs, footings, driveways, and small construction projects in cubic yards, bags, or cubic meters.
taylormichellebf · V2EX
做了一个免费的 Concrete Calculator，帮 DIY 用户估算混凝土用量 最近做了一个英文站：The Concrete Calculator 地址： https://the-concrete-calculator.com 它主要解决一个很具体的问题：用户在做 patio 、shed base 、walkway 、slab 这类小型混凝土项目时，不知道该 买多少混凝土、多少袋，或者该订多少 cubic yards 。 目前支持： - Concrete Slab Calculator - Concrete Pad Calculator - Concrete Yard Calculator - Concrete Bag Calculator - waste factor - cubic yards / cubic feet / cubic meters - 简单材料成本估算 做这个站的原因是我发现很多英文混凝土计算器要么广告太重，要么结果不够直观。这个版本尽量把核心计算和 单
Calculate how much you'll spend when your app stack exceeds free tier limits.
@K_dev001 · X
Vibe coding makes launching an app almost free. Running it is another story. I built to calculate your full AI + app stack costs and show which free tier breaks first. Sourced pricing. No signup. No guessing. ->