D&D 5e Carrying Capacity Calculator
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D&D 5e Carrying Capacity Calculator
Calculate your character's carrying capacity, encumbrance thresholds, and push/drag/lift limits based on Strength score and size, per the D&D 5e Player's Handbook (p. 176).
Strength Score (1–30)
Creature Size
Tiny (×0.5) Small / Medium (×1) Large (×2) Huge (×4) Gargantuan (×8)
Powerful Build (×2 capacity)
Current Carried Weight (lbs) — optional
Calculate ...
function ddCalc() { var strVal = document.getElementById('dd-strength').value.trim(); var sizeMultiplier = parseFloat(document.getElementById('dd-size').value); var powerfulBuild = document.getElementById('dd-powerful-build').checked; var currentWeightVal = document.getElementById('dd-current-weight').value.trim(); var resultDiv = document.getElementById('dd-result');
// --- Input Validation --- if (strVal === '') { resultDiv.innerHTML = 'Please enter a Strength score.'; return; } var str = parseInt(strVal, 10); if (isNaN(str) || str 30) { resultDiv.innerHTML = 'Strength must be a whole number between 1 and 30.'; return; }
var currentWeight = null; if (currentWeightVal !== '') { currentWeight = parseFloat(currentWeightVal); if (isNaN(currentWeight) || currentWeight Current weight must be a non-negative number.'; return; } }
// --- Core Formulas (PHB p. 176) --- // Base carrying capacity = STR × 15 lbs // Encumbered threshold = STR × 5 lbs (variant encumbrance, PHB p. 176) // Heavily encumbered = STR × 10 lbs (variant encumbrance) // Push / Drag / Lift = STR × 30 lbs // Size multiplier applies to all values. // Powerful Build doubles the effective size multiplier.
var buildMultiplier = powerfulBuild ? 2 : 1; var totalMultiplier = sizeMultiplier * buildMultiplier;
var carryCapacity = str * 15 * totalMultiplier; var encumberedThresh = str * 5 * totalMultiplier; var heavilyEncThresh = str * 10 * totalMultiplier; var pushDragLift = str * 30 * totalMultiplier;
// --- Encumbrance Status --- var statusHtml = ''; if (currentWeight !== null) { var statusLabel, statusColor, statusDesc; if (currentWeight Current Weight' + currentWeight.toFixed(1) + ' lbs' + 'Encumbrance Status' + statusLabel + '' + '' + statusDesc + ''; }
var sizeLabel = document.getElementById('dd-size').options[document.getElementById('dd-size').selectedIndex].text;
resultDiv.innerHTML = '' + '' + 'Threshold' + 'Weight (lbs)' + '' + '' + 'Encumbered (Variant)' + encumberedThresh.toFixed(1) + ' lbs' + 'Heavily Encumbered (Variant)' + heavilyEncThresh.toFixed(1) + ' lbs' + 'Carrying Capacity' + carryCapacity.toFixed(1) + ' lbs' + 'Push / Drag / Lift Limit' + pushDragLift.toFixed(1) + ' lbs' + statusHtml + '' + '' + '' + 'Inputs: STR ' + str + ' | Size ' + sizeLabel + (powerfulBuild ? ' | Powerful Build' : '') + '
'; }
#### Formulas
All values are multiplied by the size multiplier (Tiny ×0.5, Small/Medium ×1, Large ×2, Huge ×4, Gargantuan ×8) and doubled again if the creature has Powerful Build.
- Carrying Capacity = STR × 15 × size multiplier × build multiplier
- Push / Drag / Lift = STR × 30 × size multiplier × build multiplier
- Encumbered threshold (variant) = STR × 5 × size multiplier × build multiplier
- Heavily Encumbered threshold (variant) = STR × 10 × size multiplier × build multiplier
#### Assumptions & References
- Source: Player's Handbook (5th Edition), p. 176 — "Lifting and Carrying."
- The Variant Encumbrance rule (STR × 5 / STR × 10 thresholds) is optional; check with your DM.
- Powerful Build is a racial trait (e.g., Goliath, Firbolg, Loxodon) that lets you count as one size larger for carrying capacity and push/drag/lift.
- When pushing, dragging, or lifting weight between the carry capacity and the push/drag/lift limit, your speed is reduced to 5 ft.
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