IQ Motorbase

Electric motor rewinding cost calculator

Enter your motor specs below for an instant US ballpark. This page is the tool itself—pricing tables, cost drivers, and shop-selection guides live on our motor rewinding cost guide.

Interactive tool

Get your ballpark rewinding cost

Adjust the fields below—your estimate updates automatically. Not a shop quote; inspection may change scope and price.

Adjust HP, phase, and optionally RPM—your estimate updates instantly. Not a shop quote; inspection may change scope and price.

No specs needed

Your motor

Motor HP
10 HP
Phase
Three-phase
RPM (optional)
Select...
Advanced details (optional)Voltage, slots, coil, AWG, copper weight
Example presets
Select...
Voltage (nameplate)
460 V
Stator slots
36 slots
Coil type
Lap
Magnet wire (AWG)
AWG 13

Ballpark estimate (US)

$825 – $1,075

Based on typical US rewind shop pricing (2025).

Recommendation: Rewinding looks cost-effective at this range.

Typically under ~60% of a generic new-motor benchmark.

Free PDF with your motor specs, ballpark range, cost breakdown, and methodology.

Final quote may vary after inspection.

How this estimate is calculated — data sources & methodology

This calculator uses periodically refreshed public benchmarks (commodity copper and motor-industry producer prices) to tune material input and the generic "new motor" comparison. If live data isn't available for a given refresh (for example, a feed outage), fixed reference values are used instead. Planning guidance only—not a shop quote.

Copper rate (model)$9.75/kgreferenceNew-motor index factor×1.00baseline

Typical cost components (rule-of-thumb)

  • Copper/wire ~$56.06
  • Insulation ~$165.00
  • Labor ~$720.00

Replacement benchmark (planning only): generic new motor ~$1,330; your band midpoint ~$950.

How to use this calculator

The estimate recalculates as you change inputs. You do not need every nameplate field to start—add detail when you have it.

Step 1 — Motor HP and phase

Choose Motor HP from the dropdown to match your nameplate rating. Select Phase (single-phase or three-phase). These two fields drive most of the labor and copper scaling in the model.

Step 2 — RPM (optional)

If your nameplate lists speed, pick the matching RPM (900, 1200, 1800, 3600, etc.). If you leave RPM blank, the calculator assumes a typical 1800 RPM four-pole motor.

Step 3 — Advanced details (optional)

Expand Advanced details when you have more nameplate or shop data:

  • Example presets — fills HP, RPM, slots, and wire for common motor sizes (e.g. 3 HP · 1800 RPM · 36 slot).
  • Voltage — nameplate voltage class (115 V through medium voltage).
  • Stator slots — slot count from the nameplate or winding data.
  • Coil type — lap, wave, or concentric when known.
  • Magnet wire (AWG) — wire size when you have it from a prior rewind or takeoff.
  • Copper weight — only if a shop or teardown already gave you approximate kg; otherwise leave blank and the model estimates from size.

Step 4 — Read your ballpark

The Ballpark estimate (US) box shows a low–high range that updates live. Below it you may see short notes—for example fractional-HP minimum fees, industrial custom-pricing reminders, or a rewind-vs-new-motor hint. Expand How this estimate is calculated inside the tool for methodology and data sources.

Step 5 — Download, upload, or move on

  • Download Detailed Estimate — free PDF with your inputs, ballpark range, and breakdown for internal sharing.
  • Upload nameplate for an estimate — use when you do not know winding specs; we route photos so shops can advise or quote.
  • Need pricing context? — HP tables, cost drivers, and FAQs are on the motor rewinding cost guide, not duplicated here.

Calculator FAQ

How do I use the electric motor rewinding cost calculator?
Select motor horsepower and phase. Optionally set RPM or open Advanced details for voltage, stator slots, coil type, and wire size. The ballpark range updates as you change fields. Download the free PDF for a breakdown, or use Upload nameplate if you do not know all specs yet.
What does each field in the calculator do?
Motor HP and phase drive the base labor and copper scaling. RPM adjusts winding complexity (leave blank for a typical 1800 RPM assumption). Advanced fields—voltage, slots, coil type, AWG, and optional copper weight—refine the material portion when you have nameplate or shop data.
Is this calculator free to use?
Yes. The ballpark range, on-screen recommendation, and PDF download are free. The result is planning guidance only—not a binding shop quote.
What should I do after I get a ballpark from the calculator?
Use the PDF if you need to share numbers internally, or Upload nameplate to request shop follow-up. For pricing tables, cost drivers, and longer FAQs, see the IQMotorBase.com motor rewinding cost guide—not this tool page.