
Free Business Calculators 2026 | Profit Margin, Break-Even & Tax Tools | BizCalc
Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X
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Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

Speak your expenses to log spending instantly without typing.
@smoothcode97 · X

See where money is at stake before you spend. Free one-home Health Score, or landlord pricing: 2–7 fixed £350 Decision Review; 8+ five-property sample; quoted pilot. Indicative ran
@EranHertz · X
The path towards energy independence starts with knowing what is going on, what’s known and what’s missing.

Receive daily batches of hand-picked, available .com domains under $100.
@okshreee · X
Building to help people find good brand names and available domains.

Calculate stamp duty and property transfer taxes for UK, India, Australia, Singapore & Canada.
@SinghwalPreet · X
🚀 Just launched I built it to make tax calculations simple, fast, and free—without signups or unnecessary clutter. Waiting for feedback! 🔗 #BuildInPublic #IndieHackers #WebDevelopment #SEO #SideProject #Tax #Finance #NextJS

Check if your trip fits your budget using live flight and hotel pricing data.
u/DilDaNiMaada_5911 · Reddit
Verdict-first travel tool — monetizing via affiliate links that only appear AFTER you've decided. Does this model hold? TripVerdict gives an honest "does this trip fit your budget" verdict from live flight/stay data. The wedge: every competitor (OTAs, AI planners) monetizes bookings, so their incentive is to make every trip look bookable. Mine shows booking links only post-decision, clearly disclosed — the bet is that independence is the moat and the trust earns the click. Early signal:

A free ESOP calculator and simulator to estimate startup equity value, dilution, vesting and exit scenarios without spreadsheets.
@SheshankSi60747 · X

Calculate how a raise affects your income after benefits cliffs.
@getpapi_ai · X
placed 3rd in the r/vibecoding vibejam 2026. It made me go viral in r/ohio It was my first ever jam entry, I'm also not a developer...or from Ohio. was planned, reviewed, shipped and currently managed by

Every calculator you'll ever need for money, health, math, and everyday conversions — worked examples included, nothing to sign up for.
@calculate_at · X