Thanks for visiting 5e Jump Calculator, a small online tool created to fix a common D&D 5e table slowdown: working out jump distances.

If you’ve ever been the player who stopped a session to dig through the PHB, if that chasm is actually jumpable, or tried to reconstruct from memory which stats affect jump distance, you’re in the right place.

So, What Does This Site Do?

5e Jump Calculator is a no-frills calculator that takes the 5e jump rules and does the math for you.

You plug in your character’s stats—like Strength score, height, and a few relevant conditions—and the calculator immediately calculates your:

Maximum long jump distance

High jump height

Effective reach while jumping

Key distances based on the 5e rules as written

No page-flipping, no rough estimates—just straightforward outputs you can rely on.

Why This Calculator Exists

This site was the result of repeated rules questions at the table.

As a D&D fan who runs and joins games, I kept noticing the same situation:

A character wants to do something cool and cinematic with a jump, the entire table stalls while we check the rules.

The 5e rules for jumping are simple on paper but annoying in the moment. I didn’t want to keep re-explaining the same rule, so I did what many nerdy DMs do: I wrote a little web app.

5e Jump Calculator was originally just a quick private tool, and then I cleaned it up and put it online in case other tables were just as tired of flipping pages mid-session.

How the Calculator Handles the Rules

This tool follows the official Dungeons & Dragons 5th Edition jumping rules found in the Player’s Handbook. In simple terms, it:

Uses your Strength to set how far and how high you can jump

Accounts for running vs standing jumps

Factors in your height and reach where appropriate

Sticks closely to RAW and avoids house-rule shortcuts

You never have to think about the math directly. The calculator does the work and outputs just what you need for play.

How to Use It at Your Table

5e Jump Calculator is meant to be:

Simple enough to use during combat

Understandable even if you’re new to 5e

Reliable for tables that like to follow RAW

You can use it to:

Check whether a character can clear an obstacle before they commit

Plan interesting movement options during encounter prep

Resolve player stunts without bogging things down

Type in the numbers and let the calculator handle the rest. It’s meant to support your game quietly, not become the focus of the session.

Future Plans

Right now, 5e Jump Calculator is deliberately simple: it solves the jump problem and stops there.

In the future, I may:

Expand into other movement calculators

Support more edge cases and optional rules

Polish the interface and add small quality-of-life features

If you spot something off, or if you have an idea for improvement, feel free to reach out. This site is built to help real tables, and your feedback helps shape what it becomes next.

Thanks for using 5e Jump Calculator. I hope it saves you a few minutes—and a few arguments—every session.