Calculators Labs
Provides free online calculators across maths, fitness, finance, packaging, and travel, showing the formula, steps, and final answer for each calculation.
Launch screenshots from Product Hunt, Jun 2026
A collection of free online calculators covering maths, fitness, finance, packaging, and travel, designed to solve everyday calculation problems by showing the formula, steps, and final answer. It targets students, freelancers, engineers, and general consumers who need transparent, verifiable results. Unlike typical calculator sites that provide only a number, it emphasizes showing the work behind each result, with no accounts or paywalls.
Key features
- Shows formula and steps
- Covers maths, fitness, finance, packaging, travel
- Free to use, no sign-up
- Formulas sourced from references
- Cross-checked against known examples
- Plain language explanations
- Worked examples by hand
- No social media activity within the last 30 days
GTM channels
- Blog
ICP
- Students
- Freelancers solopreneurs
- Consumers general