The Universe of
Useful Numbers
SpaceAtlas brings together finance, legal, health, gaming, cooking, and environmental calculators under one roof. From compound interest to candy temperature staging to glacier melt rates — all free, all instant.
Every Calculation in the Universe, Free
Most calculator sites are organized around one topic. SpaceAtlas was built with a different idea — that useful tools should not be scattered across dozens of niche sites. Finance, legal, health, gaming, sustainability, cooking: if you need to calculate it, it belongs here.
Whether you are a startup founder working out angel round dilution, a home baker perfecting a sourdough hydration ratio, a sustainability analyst modeling glacier melt, or a gamer optimizing idle game offline earnings — SpaceAtlas has a dedicated tool for it.
We built SpaceAtlas because we were tired of either building spreadsheets for one-off calculations or paying for tools that should be free.
What Can You Calculate?
Ten categories, 150 tools — from startup dilution to bread dough hydration.
Compound Interest, 401k, EVA, EPS
Model monthly compound interest, optimize 401k contributions, calculate economic value added, EPS, financial leverage, early loan payoff, asset turnover, and more. Built for founders, analysts, and financial planners who need precision without a Bloomberg terminal.
28+ toolsCourt Fees, Damages & Compensation
Guardianship legal cost estimates, anti-SLAPP motion costs, estate tax projections, adultery damages, injunction filing fees, consumer protection fines, corporate fine multipliers, and false advertising penalties. Tools for legal professionals and individuals navigating the system.
12+ toolsIdle Games, RPGs, Event Planning
Idle game offline earnings, gladiator arena rating, gem spending value optimization, game season duration, event timers, event token earning rates, event score targets. For players who want to optimize their gaming strategy and time investment.
8+ toolsImplantation, Fasting, Calorie Tracking
Implantation window timing, fasting day calories, dog weight loss tracking, dental floss usage, cat calorie needs, baby height prediction, acne treatment cost, beard growth timeline. Tools for health-conscious individuals and professionals.
9+ toolsFermentation, Candy, Deep Frying
Perfect bread dough hydration, bone broth cooking time, homemade pasta from scratch, deep fry oil management, candy temperature staging, apple cider vinegar dilution, air fryer conversion charts, butter to oil swaps, batch cooking scheduling. For serious home cooks and bakers.
12+ toolsCarbon, CO2, Glacier Melt, Forests
Model glacier melt rates, calculate annual CO2 budgets, food-mile carbon footprints, forest regeneration timelines, hemp vs cotton carbon comparison, e-bike vs car savings, building retrofit carbon impact, city tree canopy benefits, cloud seeding costs, acid rain damage estimates. For analysts, consultants, and the genuinely curious.
12+ toolsBrowse Calculators
A selection from 150 tools — filter by category.
Frequently Asked Questions
Everything you need to know about SpaceAtlas.