Free Calculator

Diesel Fuel Surcharge Calculator

Calculate Fair Fuel Surcharges for Equipment Rentals

500+ rental businesses Free — no signup Instant results

Fuel Details

Equipment Run Hours

Fuel Consumption (gal/hr)

Current Fuel Price ($/gal)

Base Fuel Price ($/gal)

The fuel price your rental rates were originally based on

Rental Price ($)

Surcharge Breakdown

Fuel Surcharge

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Total Fuel Cost —

Surcharge as % of Rental —

Adjusted Rental Price —

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How It Works

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Enter Fuel Details

Input the equipment run hours, fuel consumption rate, and both the current and base fuel prices. The base price is what your rental rates were originally calculated on.

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See the Surcharge

The calculator shows the difference between current and base fuel costs, giving you a fair, transparent surcharge amount to pass on to the customer.

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Adjust Your Pricing

Add the surcharge to your rental price or use the percentage to create a standard fuel surcharge policy for all your equipment rentals.

Automate Fuel Tracking with Reservety

Track fuel usage per rental, automatically calculate surcharges, and include them in your invoices. Keep your pricing fair and profitable.

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Frequently Asked Questions

How do I set a base fuel price for surcharges?

Your base fuel price should be the price you used when setting your rental rates. Many companies use the national average diesel price from a specific month as their baseline. Update your base annually or semi-annually. Common baselines range from $3.00-3.75 per gallon.

Is it common to charge fuel surcharges on equipment rentals?

Yes. Most construction equipment rental companies charge fuel surcharges when diesel prices exceed their baseline. It's a transparent way to handle volatile fuel costs without constantly adjusting rental rates. Include your surcharge policy in your rental agreement so customers know what to expect.

How much diesel does construction equipment use per hour?

Fuel consumption varies widely by equipment size. Skid steers use 1-2 gallons per hour, mini excavators 2-3 gallons, standard excavators 4-6 gallons, large loaders 5-8 gallons, and cranes can use 8-15 gallons per hour. Actual consumption depends on load and operating conditions.