A studio-table estimate

What Should I Charge to Rent Out My Kiln?

Wondering how much it costs to fire a kiln—or how much to charge for kiln rental? This kiln firing cost calculator helps you account for electricity, kiln parts and supplies, and the time a real firing takes. Enter your own numbers to estimate a full-load kiln firing fee; the examples are simply a place to begin.

Currency

Currency changes labels only. No conversion is applied—enter every amount in your selected currency.

One full kiln load. This estimate assumes all usable kiln space is rented, whether by one renter or several. It does not multiply by shelf count. Taxes, payment-processing fees, insurance, rent, and other overhead are not included.

01Firing typeSet up one firing, then compare bisque and glaze.

Choose your firing

ConeExample value: 06 for bisque, 6 for glaze. Set the cone you actually fire to.

Try one calculation for a bisque firing and another for a glaze firing to see the difference. Glaze firings usually reach a higher temperature and use more energy, while bisque firings often run longer at a lower temperature.

02Electricity costUse the kiln rating and your actual utility rate.

Power rating

Kiln wattageWExample value—check your kiln nameplate.Firing time — hourshoursExample firing duration.Firing time — minutesminExample remainder; 0–59.Electricity cost per kWhCA$Example value. Check your electric bill for the rate per kilowatt-hour.Elements on (duty cycle)%Share of firing time the elements are heating. Hotter firings tend to keep elements on longer. Example only; your kiln and schedule vary.

Calculated power: 7,200 W

03Kiln parts and suppliesSpread replacement costs across the firings they last.

All prefilled prices and lifespans are examples, not actual studio defaults. What did you pay for this last time? Check your most recent receipts from the past year. If you don't have them handy, look up the current price on your supplier's website.

Full set of elements

Example values

PriceCA$Firings it lastsfirings

Per firing: CA$2.67

Thermocouple

Example values

PriceCA$Firings it lastsfirings

Per firing: CA$0.50

Relays

Example values

PriceCA$Firings it lastsfirings

Per firing: CA$0.38

Kiln wash container

Example values

PriceCA$Firings it lastsfirings

Per firing: CA$0.50

Cone priceCA$Cones per firing

Per firing: CA$2.25

04Your timeCount the minutes this booking asks of you.

These starting values are examples, not a standard. Adjust them to match how your studio works.

Emailing and booking communicationminLoading the kilnminUnloading the kilnminDrop-offminPickupminBookkeepingminShelf cleaning, kiln wash and maintenancemin

Maintenance estimate: How often you clean shelves and reapply kiln wash depends on you. Some potters do it every two weeks, others every few months. Estimate your total time, divide it by how many firings you do in that period, and enter it here. For most potters that's about 2 to 5 minutes per firing.

For glaze damage: Cleanup can take 15 to 20 minutes or more. Kiln It can support an optional saved card and, only with renter consent, a manual damage charge after 12 hours' notice. This is not automatic and does not guarantee payment.

05Your targetDecide what your time is worth.

What hourly wage do you want to earn for your time?CA$Example target wage. Use the amount you want to earn in your selected currency.Extra profit (markup) percentage%Added to the whole cost base (operating costs plus time value). This is a markup, not a profit margin on sales.

Full-load estimate

Your firing, clearly priced

CA$42.73

Suggested with Kiln It · bisque firing

Kiln electricityCA$5.18

Energy used28.80 kWh

Parts & suppliesCA$6.29

Operating costsCA$11.48

Your time valueCA$31.25

Total time with Kiln It75.0 min · 1.25 hr

Extra profit markupCA$0.00

Full-load priceCA$42.73

One full load assumes the whole kiln is rented. If you price shelves individually, account separately for usable capacity and likely occupancy.

Payment note

Where a booking fee applies, it is paid by the renter and is separate from your rental price. Payment-processing fees may still reduce your payout.

Manual vs. Kiln It

Illustrative smooth-firing comparison: booking, payment and reminders reduce routine communication to 0 minutes; Stripe earnings exports reduce bookkeeping to 2 minutes (or your lower estimate). Loading, unloading, drop-off, pickup and maintenance stay the same. Actual support and admin can still take time.

Doing it manuallyCA$48.14

88 minutes · 1.47 hours

With Kiln ItCA$42.73

75 minutes · 1.25 hours

13 minutes less admin in this example

At the same manual rental price (CA$48.14), estimated hourly earnings shift from CA$25.00/hr to CA$29.33/hr.

The Kiln It suggested price is not used for this hourly comparison. At either scenario's own recommended price, the wage target is built into the price and does not imply extra hourly earnings at 0% markup.

Less admin between firings

Save hours on every firing.

Kiln It brings bookings and renter details together. See how the numbers fit your studio, then decide what works for you.

Save hours on every firing. Join the Kiln It waitlist

The comparison is illustrative, based on a smooth firing; it is not a promise of zero communication or automatic tax bookkeeping.

A few practical answers

Kiln rental pricing questions

How much does it cost to fire a kiln?

The cost to run a kiln depends on its power rating, firing time, how often the elements are heating, your electricity rate, and parts and supplies. This kiln firing cost calculator adds those operating costs to the value of your time. Use your own bills and receipts: example values are estimates, not measurements.

How much should I charge to rent out my kiln?

Include electricity, parts and supplies per firing, and your time at your target hourly wage, then add any extra profit you want. This kiln firing fee calculator estimates one fully rented kiln load. Taxes, payment-processing fees, insurance, rent, and other overhead are not included; allow for them separately. Divide a full-load estimate into shelf prices only after considering usable capacity and likely occupancy.

Does a glaze firing cost more than a bisque firing?

Not always. Glaze firings usually reach higher temperatures and may keep the elements on longer, while bisque firings can run longer at lower temperatures. Actual energy use depends on your kiln, load, cone, and firing schedule. Compare separate calculations using your own measured values where possible.

How often do kiln elements need replacing?

Element life varies with firing temperature, schedule, load, kiln condition, and maintenance. Follow your manufacturer's guidance and track your own replacement history. Divide the cost of a full set by the number of firings it lasts to estimate the element cost per firing. The calculator's starting values are examples, not replacement recommendations.