Rhymond/go-money

Health v2 · maintenance only

Adoption not part of the score

1911 stars · 162 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Go library implementing Fowler's Money pattern for precise monetary value handling using currency smallest units (integer cents). It provides arithmetic, comparison, rounding, splitting, and allocation operations that avoid floating-point rounding errors.

Use cases

• store monetary values without floating point errors
• split an invoice amount across parties
• compare money amounts in the same currency
• format and display currency values
• allocate payments or fees precisely

When to choose

• you are building financial, billing, or e-commerce logic in Go
• you need exact integer-based money arithmetic with ISO 4217 currencies
• you need to split or allocate amounts without losing cents

When to avoid

• you need currency exchange or conversion rates (not provided)
• your project is not in Go
• you only need simple display formatting without arithmetic

Facets

library · maturity stable

serialization math formatter fintech developer-tools e-commerce go cross-platform money-pattern currency iso-4217 monetary-arithmetic no-floats

Member repositories

For agents

markdown · JSON · MCP: product_card(name="Rhymond/go-money")