Convert Minutes to Hours – Time Converter

This converter transforms a quantity expressed in minutes into the equivalent number of hours using the fixed mathematical relationship that 1 hour = 60 minutes. The primary output is decimal hours (for example, 90 minutes → 1.5 hours).

It is intended for everyday use (time tracking, payroll, scheduling) and for technical contexts where an exact minutes-to-hours conversion is required. Guidance on rounding, decimal hours versus hours-and-minutes formatting, and accuracy considerations is provided below.

Updated Nov 29, 2025QA PASS — golden 25 / edge 120Run golden-edge-2026-01-23

Governance

Record b2d1ee710809 • Reviewed by Fidamen Standards Committee

Interactive Converter

Convert between minute and hour with precision rounding.

Minute (min)Hour (h)

Quick reference table

Minute	Hour
MIN 1.00 min	0.0167 h
MIN 5.00 min	0.0833 h
MIN 10.00 min	0.1667 h
MIN 25.00 min	0.4167 h
MIN 50.00 min	0.8333 h
MIN 100.00 min	1.6667 h

Methodology

The calculation uses the internationally accepted relationship between minutes and hours: hours = minutes ÷ 60. This is a fixed unit conversion not dependent on context or external variables.

For decimal-hour outputs used in payroll or billing, round according to your organizational policy (examples and common rounding rules are included). For high-assurance applications, follow numeric representation best practices per IEEE 754 for floating-point arithmetic and verify results against SI definitions from NIST.

Worked examples

45 minutes → 45 ÷ 60 = 0.75 hours (0 hours and 45 minutes)

90 minutes → 90 ÷ 60 = 1.5 hours (1 hour and 30 minutes)

7 minutes → 7 ÷ 60 ≈ 0.1166667 hours (round to policy-specified precision)

F.A.Q.

Should I use decimal hours or hours-and-minutes for payroll?

Use the format required by your payroll system. Many payroll systems use decimal hours (e.g., 1.25 hours) for calculations. When converting for payroll, apply the employer's rounding and minimum increment rules before summing totals.

How should I round converted values?

Rounding depends on policy. Common practices: round to the nearest hundredth for decimal hours (two decimal places), or to the nearest 6-minute increment (0.1 hour). For financial calculations, follow your accounting rules and document the rounding method.

Can this converter handle very large or negative minute values?

Mathematically yes. Very large values may be limited by the numeric range of the environment (floating-point limits). Negative values are converted using the same formula but represent negative time intervals; ensure negative durations are meaningful in your context.

How accurate is the conversion?

The conversion is exact in rational arithmetic (minutes ÷ 60). In computing environments, representation and rounding follow IEEE 754 floating-point rules; small rounding differences may appear when displaying many decimal places. For traceable measurements, reference NIST and use sufficient precision for your use case.

Does this tool comply with any standards?

This tool uses the SI-derived relationship between minutes and hours as recognized by national and international standards bodies. For numeric representation and rounding guidance consult IEEE 754 (floating-point) and applicable organizational or regulatory requirements for timekeeping.

Sources & citations

NIST — SI base units and definitions — https://www.nist.gov/pml/si-base-units
ISO — standards catalogue (time and related quantities) — https://www.iso.org/standards.html
IEEE Standards Association — IEEE 754 floating-point standard — https://standards.ieee.org/standard/754-2019.html
OSHA — Occupational Safety and Health Administration — https://www.osha.gov/
ISO 80000-3:2019 — Space and time — https://www.iso.org/standard/64974.html
BIPM SI Brochure (9th edition, 2019) — https://www.bipm.org/en/publications/si-brochure

Further resources

Related tools

External guidance

Versioning & Change Control

Audit record (versions, QA runs, reviewer sign-off, and evidence).

Record ID: b2d1ee710809

What changed (latest)

v1.0.0 • 2025-11-29 • MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Public QA status

PASS — golden 25 + edge 120

Last run: 2026-01-23 • Run: golden-edge-2026-01-23

Engine

v1.0.0

Data

Baseline (no external datasets)

Content

v1.0.0

Governance

Last updated: Nov 29, 2025

Reviewed by: Fidamen Standards Committee (Review board)

Credentials: Internal QA

Risk level: low

Reviewer profile (entity)

Fidamen Standards Committee

Review board

Internal QA

Entity ID: https://fidamen.com/reviewers/fidamen-standards-committee#person

Semantic versioning

MAJOR: Calculation outputs can change for the same inputs (formula, rounding policy, assumptions).
MINOR: New features or fields that do not change existing outputs for the same inputs.
PATCH: Bug fixes, copy edits, or accessibility changes that do not change intended outputs except for previously incorrect cases.

Review protocol

Verify formulas and unit definitions against primary standards or datasets.
Run golden-case regression suite and edge-case suite.
Record reviewer sign-off with credentials and scope.
Document assumptions, limitations, and jurisdiction applicability.

Assumptions & limitations

Uses exact unit definitions from the Fidamen conversion library.
Internal calculations use double precision; display rounding follows the unit's configured decimal places.
Not a substitute for calibrated instruments in regulated contexts.
Jurisdiction-specific rules may require official guidance.

Change log

v1.0.0 • 2025-11-29 • MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Areas: engine, content, ui • Reviewer: Fidamen Standards Committee • Entry ID: c00e628806aa