Professional estimates
Create clear customer estimates with labor, materials, quantities, pricing and calculated totals.
M&N SOFTLoginRequest a project ↗M&N SOFT / QALCU
Qalcu — free contractor estimates and calculators.
Qalcu is an M&N Soft web product for contractors, trades and small businesses. It combines professional estimating tools and practical calculators in one straightforward interface.
BUILT FOR REAL WORK
From calculation to a finished estimate.
Instead of spreadsheets, manual formulas and disconnected calculators, Qalcu brings essential contractor tools together in one place.
Contractor calculators
Practical construction and trade calculators help professionals complete everyday calculations faster.
Built for small business
Qalcu is designed for contractors, trades and small businesses that need practical tools without complex enterprise software.
Works in the browser
The service is available online and can be used from a desktop, tablet or phone.
QALCU CALCULATORS
Free calculators for contractors and small businesses.
Qalcu includes practical calculators for estimating project cost, contractor markup and job profitability. Each tool can be used directly in the browser.
Construction Estimate Calculator
Calculate project costs using labor, materials and other job expenses and turn the result into a clear basis for a customer estimate.
Open calculator ↗Contractor Markup Calculator
Calculate contractor markup over cost and determine an appropriate selling price for the customer.
Calculate markup ↗Job Profit & Margin Calculator
Calculate projected job profit and profit margin so you can evaluate profitability before sending a price to the customer.
Calculate profit ↗CUSTOMER ESTIMATES
More than calculators — a practical estimating workflow.
Qalcu lets businesses organize customers and calculations, create estimates with labor and materials, reuse saved pricing and generate a professional PDF for the customer.
Customers & projects
Keep customer information and related estimates organized in one workspace.
Labor & materials
Add line items, quantities, pricing and costs to build a detailed estimate.
Saved pricing
Reuse frequently used pricing instead of entering the same information repeatedly.
Professional PDF
Generate a clean estimate document that can be shared with a customer.
Payment instructions
Include payment terms and instructions directly with the estimate.
Accept / Decline
Give customers a clear proposal they can review, accept or decline.
QALCU FAQ
Frequently asked questions.
Is Qalcu free?
Yes. Qalcu is built as a free web-based estimating service for contractors, trades and small businesses.
What calculators are available in Qalcu?
Qalcu currently includes a Construction Estimate Calculator, Contractor Markup Calculator and Job Profit & Margin Calculator.
Can I create estimates for customers?
Yes. You can create estimates with labor and materials, organize customer information, reuse saved pricing and generate a PDF.
Do I need to install software?
No. Qalcu works through a web browser, so there is no separate desktop application to install.
QALCU INTERFACE
Real work inside Qalcu.
The dashboard keeps estimates, customers and calculations organized, while the finished estimate gives customers a clear professional document.
WHO QALCU IS FOR
A practical tool for contractors and small businesses.
Contractors
Estimates and calculations for customer projects.
Construction professionals
Fast calculations for common job-site and planning tasks.
Trades
A straightforward way to calculate labor and materials.
Small businesses
Professional customer estimates without complicated software.
QALCU.MNAUTO.US
Create your next estimate with Qalcu.
Try Qalcu's estimating tools and calculators for free.