Rainfall Resources & Educational Guides

Start with Popular Tools

Unit Converter

Convert between mm, L/m², and inches with mathematical proof and scientific backing.

Interactive Simulator

Visualize any rainfall intensity with our physics-based rain simulator.

Educational Guides

In-depth articles backed by meteorological authorities

Rainfall Units Explained: mm vs L/m² vs inches

Complete guide to understanding precipitation measurements with conversion tables and downloadable cheat sheet.

Rainfall Intensity Categories with Real Examples

Learn to classify rainfall from light drizzle to extreme downpours with meteorological standards.

How to Visualize Storm Totals

Transform weather reports into meaningful visualizations using our interactive tools.

Rain Water Harvesting Calculator

Calculate water collection from roof areas with practical examples and efficiency tips.

Extreme Rainfall Case Studies

Long-form analyses with hourly tables and simulator presets to recreate real storms.

Learning Path

Follow this guided sequence to move from fundamentals to applied simulations.

Understand rainfall units

Start with the core definitions of millimeters, liters per square meter, and inches, and see how to convert between them quickly.

Simulate intensities

Use the interactive rain simulator to visualize light showers through severe downpours, and compare how totals change with duration.

Study real storms

Read curated case studies that include historical context, tables, and presets you can load directly into the simulator.

Apply harvesting calculator

Estimate potential collection from different roof sizes and efficiencies, then validate scenarios with your local rainfall totals.

Review glossary & terms

Confirm meteorological definitions, symbols, and abbreviations before presenting results or citing data in reports.

Popular Rain Intensity Pages

Explore specific rainfall amounts with detailed analysis

Embed Rain Simulator

Add an interactive rainfall visualization to classroom pages, planning notes, or internal dashboards.

Copy/paste iframe example

<iframe
  src="https://rainsimulator.com/embed?intensity=10&unit=mm%2Fhr&type=rain&theme=light&controls=1&stats=1&scale=1"
  title="Rain Simulator"
  width="100%"
  height="720"
  loading="lazy"
  style="border: 0; border-radius: 12px; max-width: 960px;"
></iframe>

Supported query parameters

Parameter	Values
intensity	0–300, interpreted in the selected unit
unit	mm/hr, l/m², or inch/hr
type	rain, snow, sleet, or hail
theme	light or dark
controls	1 to show controls, 0 to hide them
sound	1 to enable sound after visitor interaction, 0 to keep it off
height	Canvas height such as 500 or 60vh
preset	compact for a shorter 360px canvas
compact	1 to use the compact canvas preset
stats	1/true to show simulation stats, 0/false to hide
scale	1/true to show the visual scale, 0/false to hide
weather	Reserved opt-in flag for future real-weather embeds

Recommended iframe size

Use at least 360px wide by 640px tall. For the best desktop layout with controls and stats visible, use 720px wide by 720px tall or larger.

Attribution requirement

The visible rainsimulator.com attribution link included in the embed must remain visible and clickable. Do not crop, cover, remove, or obscure it.

Use note

Rain Simulator embeds are intended for educational exploration and scenario planning. Do not rely on the simulator for safety-critical weather decisions; use official forecasts, alerts, and local emergency guidance instead.