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Project Timeline Estimator

Get a realistic, phase-by-phase timeline estimate for your software project in under 2 minutes.

What type of project?

What Shapes Your Timeline?

Complexity & Scope

Enterprise features, integrations, and compliance requirements add phases that cannot be compressed.

Team Availability

A part-time or split team can extend delivery by 40โ€“60%. A dedicated external team can shorten it.

Design Readiness

Having wireframes or Figma files ready before development starts can save 3โ€“5 weeks of discovery time.

How the timeline estimator calculates your delivery window

The estimator starts from a base duration in weeks for your project type, from 4 to 8 weeks for a system integration up to 12 to 24 weeks for a warehouse system, multiplies it by a complexity factor between 0.6 and 2.2, then adjusts for who builds it and whether designs exist. Part-time teams stretch the window by half, an external partner trims 15 percent, and ready designs cut 3 weeks.

A worked example: a complex warehouse system built by an external partner

  1. Inputs: Warehouse System, Complex, built by an external partner, with designs already prepared.
  2. Base timeline for a warehouse system: 12 to 24 weeks.
  3. Apply the Complex multiplier of 1.5: 12 x 1.5 = 18 weeks and 24 x 1.5 = 36 weeks.
  4. Apply the external partner factor of 0.85: 18 x 0.85 rounds to 15 weeks, 36 x 0.85 rounds to 31 weeks.
  5. Subtract 3 weeks because designs are ready: 12 to 28 weeks.
  6. The upper bound is 12 weeks or more, so the window converts to months at 4.33 weeks per month: 12 / 4.33 rounds to 3 and 28 / 4.33 rounds to 6.

The tool returns an estimated timeline of 3 to 6 months, broken into the 5 delivery phases used for complex projects.

Base timelines by project type

Project typeBase timeline (standard complexity)
Web Application6-12 weeks
Mobile App8-16 weeks
Warehouse System12-24 weeks
HR / Payroll10-20 weeks
SaaS Platform10-20 weeks
System Integration4-8 weeks

Complexity multipliers and phase counts

ComplexityMultiplierDelivery phases
MVP (core features only)x0.63 phases
Standard (common features plus some customisation)x1.04 phases
Complex (advanced workflows plus integrations)x1.55 phases
Enterprise (full-scale, high compliance, multi-phase)x2.26 phases

Team and design adjustments

FactorEffect on the window
Dedicated team (full-time focus)No adjustment, this is the baseline
Part-time team (split across projects)x1.5
External partner (specialist agency or offshore team)x0.85
Designs already prepared (wireframes, mockups, Figma)Minus 3 weeks

Windows whose upper bound reaches 12 weeks are shown in months, converted at 4.33 weeks per month.

Same bases and multipliers the estimator above runs on (TimelineEstimator.tsx).

More on B2B SaaS

Everything on this topic that lives elsewhere on the site.

Proof

Three full platform redesigns, 100% frontend ownership

What stood out most was the consistent quality of their work and their balance of professionalism and approachability. The team was reliable, communicative, and genuinely invested in the success of our projects, which made the collaboration both productive and enjoyable.

Greg A, CEO, Jedari TechnologiesSaaS / Social Media Platform
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