Gasoline Density Chart 2026: Complete kg/m³, lb/gal, kg/L, lb/ft³ Reference

Complete gasoline density conversion chart with kg/m³, lb/gal, kg/L, and lb/ft³ values. Includes temperature corrections and practical calculation examples for engineers and fuel professionals.

Gasoline density ranges from 715-780 kg/m³ at 15°C, with typical values around 730-750 kg/m³ depending on fuel grade and composition.

Understanding gasoline density is essential for fuel quality control, transportation calculations, engine performance optimization, and cost analysis across the petroleum industry.

After working with fuel logistics for 15 years, I’ve seen how accurate density measurements can save companies thousands in transportation costs and prevent engine performance issues.

This comprehensive guide provides all the density values you need in kg/m³, lb/gal, kg/L, and lb/ft³, along with conversion methods and practical applications.

Comprehensive Gasoline Density Chart

Below is the complete gasoline density conversion chart with all commonly used units. These values are measured at standard reference temperature of 15°C (59°F) unless otherwise specified.

Fuel Typekg/m³lb/gal (US)kg/Llb/ft³Temperature
Regular Gasoline (87 octane)730-7506.08-6.250.730-0.75045.6-46.815°C
Mid-Grade Gasoline (89 octane)735-7556.13-6.300.735-0.75545.9-47.115°C
Premium Gasoline (91-93 octane)740-7706.17-6.420.740-0.77046.2-48.115°C
E10 Gasoline (10% ethanol)745-7656.21-6.380.745-0.76546.5-47.715°C
E15 Gasoline (15% ethanol)750-7706.25-6.420.750-0.77046.8-48.115°C
Racing Gasoline720-7406.00-6.170.720-0.74044.9-46.215°C
Aviation Gasoline (Avgas 100LL)720-7306.00-6.080.720-0.73044.9-45.615°C

Standard Reference Temperature: Most gasoline density values are referenced to 15°C (59°F) as per ASTM D4052 standard. Density decreases approximately 0.8-1.0 kg/m³ for each 1°C increase in temperature.

Unit Conversion Methods

Converting between different density units is straightforward once you know the conversion factors. I’ve used these conversions daily in fuel logistics operations.

Essential Conversion Factors

  1. kg/m³ to lb/ft³: Multiply by 0.06243
  2. lb/ft³ to kg/m³: Multiply by 16.018
  3. kg/m³ to kg/L: Divide by 1000
  4. kg/L to kg/m³: Multiply by 1000
  5. kg/m³ to lb/gal (US): Multiply by 0.008345
  6. lb/gal (US) to kg/m³: Multiply by 119.83

Step-by-Step Conversion Example

Let’s convert 740 kg/m³ to all other units:

  1. To kg/L: 740 ÷ 1000 = 0.740 kg/L
  2. To lb/ft³: 740 × 0.06243 = 46.2 lb/ft³
  3. To lb/gal (US): 740 × 0.008345 = 6.17 lb/gal

✅ Pro Tip: When working with international shipments, always verify which gallon unit is being used. US gallons (3.785 L) differ from imperial gallons (4.546 L).

Temperature Effects on Gasoline Density

Temperature significantly affects gasoline density, with higher temperatures resulting in lower density values. This is crucial for accurate measurements and calculations.

Temperature Correction Formula

The standard temperature correction formula for gasoline is:

ρ₂ = ρ₁ × [1 – β × (T₂ – T₁)]

Where: ρ₂ = density at new temperature
ρ₁ = density at reference temperature
β = temperature coefficient (0.0008-0.0010 per °C for gasoline)
T₂ = new temperature
T₁ = reference temperature

Practical Temperature Correction Example

If gasoline has a density of 750 kg/m³ at 15°C, what’s its density at 25°C?

  1. Temperature difference: 25°C – 15°C = 10°C
  2. Density reduction: 750 × 0.0009 × 10 = 6.75 kg/m³
  3. New density: 750 – 6.75 = 743.25 kg/m³

⏰ Time Saver: For quick estimates, use the rule of thumb: gasoline density decreases by approximately 0.9 kg/m³ for each 1°C increase in temperature.

Practical Applications

Understanding gasoline density has numerous practical applications across different industries.

Fuel Transportation and Logistics

In my experience managing fuel logistics, accurate density calculations are critical for:

  • Weight calculations: Converting volume to weight for transportation limits
  • Cost optimization: Maximizing load capacity while staying within legal limits
  • Inventory management: Accurate fuel storage measurements

For example, a 40,000-liter tanker truck carrying gasoline at 740 kg/m³ contains 29,600 kg (65,257 lbs) of fuel.

Engine Performance and Tuning

Forum discussions show that density affects engine performance:

  • Fuel-air mixture: Density impacts fuel injection calculations
  • Energy content: Higher density generally means more energy per volume
  • Performance tuning: Racing teams optimize fuel density for maximum power

One user reported mileage improvements from 33 kmpl to 40 kmpl when using higher density fuel (744 kg/m³ vs 700 kg/m³).

Quality Control and Testing

Quality control professionals use density measurements to:

  • Detect fuel contamination: Adulterated fuel often has incorrect density
  • Verify fuel grade: Different octane ratings have characteristic density ranges
  • Monitor fuel degradation: Density changes can indicate fuel aging

⚠️ Important: Always measure density at standard temperature or apply temperature corrections for accurate comparisons and calculations.

Frequently Asked Questions

What is the density of gasoline?

Gasoline density ranges from 715-780 kg/m³ at 15°C, with typical values around 730-750 kg/m³ for regular gasoline and 740-770 kg/m³ for premium grades.

What is the density of gasoline in kg m3?

Standard gasoline density is 730-750 kg/m³ at 15°C. Regular gasoline averages 740 kg/m³, while premium gasoline ranges from 740-770 kg/m³.

What is the density of gasoline in lbs gal?

Gasoline density is 6.08-6.25 lb/gal (US) for regular gasoline and 6.17-6.42 lb/gal for premium grades at 15°C.

What factors affect gasoline density?

Main factors include temperature (higher temp = lower density), fuel composition (additives and ethanol content), octane rating, and fuel age/quality.

Is 749 density petrol good or bad?

749 kg/m³ is within the normal range for gasoline (715-780 kg/m³) and indicates good quality fuel. This density value is typical for premium gasoline.

Final Recommendations

After analyzing fuel density data across multiple applications, here are my key recommendations:

For Transportation: Always use temperature-corrected density values to ensure accurate weight calculations and avoid overloading issues.

For Engine Performance: Consider fuel density when tuning engines, especially for high-performance applications where precise fuel-air ratios matter.

For Quality Control: Use density as a primary indicator of fuel quality and consistency, measuring at standard temperatures for reliable comparisons.

Remember that gasoline density is not just a technical specification—it’s a critical parameter that affects everything from transportation costs to engine performance. Use these reference values and conversion methods to ensure accurate calculations in your applications.