diff --git a/src/app/components/HardpointSlot.jsx b/src/app/components/HardpointSlot.jsx
index 9337dac0..f7678f0c 100644
--- a/src/app/components/HardpointSlot.jsx
+++ b/src/app/components/HardpointSlot.jsx
@@ -79,7 +79,7 @@ export default class HardpointSlot extends Slot {
           <div className={'r'}>{formats.round(m.getMass())}{u.T}</div>
         </div>
         <div className={'cb'}>
-          { m.getDps() ? <div className={'l'} onMouseOver={termtip.bind(null, m.getClip() ? 'dpssdps' : 'dps')} onMouseOut={tooltip.bind(null, null)}>{translate('DPS')}: {formats.round1(m.getDps())} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getDps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) })</span> : null }</div> : null }
+          { m.getDps() ? <div className={'l'} onMouseOver={termtip.bind(null, m.getClip() ? 'dpssdps' : 'dps')} onMouseOut={tooltip.bind(null, null)}>{translate('DPS')}: {formats.round1(m.getDps())} { m.getClip() ? <span>({formats.round1(m.getSDps()) })</span> : null }</div> : null }
           { m.getEps() ? <div className={'l'} onMouseOver={termtip.bind(null, m.getClip() ? 'epsseps' : 'eps')} onMouseOut={tooltip.bind(null, null)}>{translate('EPS')}: {formats.round1(m.getEps())}{u.MW} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getEps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) }{u.MW})</span> : null }</div> : null }
           { m.getHps() ? <div className={'l'} onMouseOver={termtip.bind(null, m.getClip() ? 'hpsshps' : 'hps')} onMouseOut={tooltip.bind(null, null)}>{translate('HPS')}: {formats.round1(m.getHps())} { m.getClip() ? <span>({formats.round1((m.getClip() * m.getHps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload())) })</span> : null }</div> : null }
           { m.getDps() && m.getEps() ? <div className={'l'} onMouseOver={termtip.bind(null, 'dpe')} onMouseOut={tooltip.bind(null, null)}>{translate('DPE')}: {formats.f1(m.getDps() / m.getEps())}</div> : null }
diff --git a/src/app/shipyard/Calculations.js b/src/app/shipyard/Calculations.js
index b72fd0d3..aa62b187 100644
--- a/src/app/shipyard/Calculations.js
+++ b/src/app/shipyard/Calculations.js
@@ -852,7 +852,7 @@ export function _weaponSustainedDps(m, opponent, opponentShields, opponentArmour
   weapon.eps = m.getClip() ?  (m.getClip() * m.getEps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload()) : m.getEps();
 
   // Initial sustained DPS
-  let sDps = m.getClip() ?  (m.getClip() * m.getDps() / m.getRoF()) / ((m.getClip() / m.getRoF()) + m.getReload()) : m.getDps();
+  let sDps = m.getSDps();
 
   // Take fall-off in to account
   const falloff = m.getFalloff();
diff --git a/src/app/shipyard/Module.js b/src/app/shipyard/Module.js
index cc9247ef..81a0187c 100755
--- a/src/app/shipyard/Module.js
+++ b/src/app/shipyard/Module.js
@@ -550,6 +550,27 @@ export default class Module {
     return damage * rpshot * rof;
   }
 
+  /**
+   * Get the SDPS for this module, taking into account modifications and special
+   * effects.
+   * @return {Number} The SDPS of this module
+   */
+  getSDps() {
+    let dps = this.getDps();
+    if (this.getClip()) {
+      let clipSize = this.getClip();
+      // If auto-loader is applied, effective clip size will be nearly doubled
+      // as you get one reload for every two shots fired.
+      if (this.blueprint && this.blueprint.special && this.blueprint.special.edname === 'special_auto_loader') {
+        clipSize += clipSize - 1;
+      }
+      let timeToDeplete = clipSize / this.getRoF();
+      return dps * timeToDeplete / (timeToDeplete + this.getReload());
+    } else {
+      return dps;
+    }
+  }
+
   /**
    * Get the EPS for this module, taking in to account modifications
    * @return {Number} the EPS of this module