Web Calculator · 2025/26
Numbers, instantly.
Arithmetic and unit conversions in one clean tool — built by software engineers, shipped with a full CI/CD pipeline.
Launch Calculator →Last calculation
48 × 3.14159 =
150.796
Unit converter
100 km
→
62.137 miles
What's inside
Smart Arithmetic
Full expression evaluation. Type naturally — 4 × (12 + 3) — and get your answer in real time.
Unit Converter
Length, temperature, weight, speed, and data — five categories, zero page reloads, result sent straight to the display.
CI/CD Pipeline
Automated Jest test suite, Docker build, and deployment pipeline — every commit ships with confidence.