Tools in This Collection
3D Print Cost Calculator
Estimate total print cost including filament, electricity, and depreciation
Filament Calculator
Estimate filament weight and length from model volume and infill
E-Steps Calculator
Calibrate extruder steps-per-mm for accurate extrusion
Flow Rate Calculator
Find correct extrusion multiplier by comparing wall thickness
Layer Height Calculator
Find layer heights that align with Z stepper resolution
Nozzle Flow Calculator
Calculate maximum volumetric throughput for your hotend
Print Speed Calculator
Find maximum safe print speed for your hotend and layer height
Resin Print Calculator
Estimate resin volume for SLA/MSLA prints by model and support density
3D Print Shrinkage Calculator
Calculate scale factor to compensate for material shrinkage
3D Printing Workflow Calculators
Successful 3D printing requires accurate calculations at two stages: pre-print planning (material cost, filament usage, settings) and printer calibration (E-steps, flow rate, layer height). Getting planning right prevents wasted filament; getting calibration right ensures dimensional accuracy.
Cost and Material Estimation
The 3D Print Cost Calculator estimates total cost per print: material weight times filament price per kilogram plus electricity cost plus printer depreciation. PLA filament costs approximately $20/kg; a typical Benchy uses 15g ($0.30 material cost). Factor in electricity ($0.12/kWh at 200W average) and printer depreciation to get the full picture for quoting or personal tracking. The Filament Calculator estimates how much filament a print uses from model volume and infill percentage, converting between weight (grams) and length (meters) for 1.75mm and 2.85mm filament.
Calibration Tools
E-steps calibration is the foundation of accurate extrusion. The E-Steps Calculator calculates corrected steps-per-mm from a simple test: command 100mm of extrusion, measure actual output, enter both values. The calculator outputs the corrected E-steps value to enter in firmware. The Flow Rate Calculator finds the extrusion multiplier for each filament by comparing measured wall thickness to expected wall thickness. The Nozzle Flow Calculator shows maximum volumetric throughput for different nozzle and hotend combinations.
Print Settings and Resin
The Layer Height Calculator shows which layer heights divide evenly into your Z stepper's step size — avoiding rounding errors that cause banding at certain heights. Standard layer heights for a 0.4mm nozzle: 0.1mm (detail), 0.2mm (quality), 0.3mm (draft). The Print Speed Calculator finds the maximum safe print speed for your hotend's volumetric flow capacity. The Resin Print Calculator estimates resin volume for SLA/MSLA prints by model volume and support density. The 3D Print Shrinkage Calculator determines the scale factor to apply in your slicer to compensate for material shrinkage.
Frequently Asked Questions
How much does it cost to 3D print something?
A typical small FDM print (like a Benchy, ~15g) costs $0.30 in PLA filament at $20/kg. A larger print using 200g costs around $4 in material. Add electricity ($0.12/kWh at 200W = $0.024/hour × print time) and a small printer depreciation amount. The 3D Print Cost Calculator adds all components and is especially useful when pricing prints for customers.
What are E-steps and how do I calibrate them?
E-steps (extruder steps per mm) tells your printer how many stepper motor steps equal 1mm of filament movement. To calibrate: mark your filament 100mm above the extruder, command 100mm extrusion, then measure how much actually moved. If you commanded 100mm but got 95mm, your E-steps are too low. The E-Steps Calculator gives you the corrected value: (current E-steps × commanded length) ÷ actual length.
What layer height should I use for quality vs speed?
For a 0.4mm nozzle: 0.1mm gives high detail but is slow; 0.2mm is the standard quality-speed balance; 0.3mm is faster with noticeably visible layers. The Layer Height Calculator also checks that your chosen height aligns with your Z stepper's native step size — misaligned heights cause subtle banding artifacts on smooth surfaces.
How much resin do I need for a print?
Use the Resin Print Calculator — enter your model's estimated volume from your slicer (in mL or cm³), your support structure percentage (typically 15-25%), and your resin's density (usually 1.1-1.2 g/mL). The calculator outputs total resin volume in mL so you can confirm your vat has enough before starting a long overnight print.