Indian estimates need clean GST-ready detail before invoicing. Everhour keeps billable work organized for later billing.
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An India estimate gives the buyer a priced proposal before the sale becomes billable. It should identify the supplier, buyer, scope, price, expected GST treatment, validity period, and payment terms. The document should also make acceptance easy, because the accepted estimate often becomes the basis for the later GST tax invoice, project setup, and accounts receivable record.
For services, list each service line in the same structure you expect to invoice later: description, quantity or time basis, rate, discount, taxable value, and GST treatment. For goods, include item description, quantity, unit rate, and delivery detail. A clean estimate prevents later disputes about whether a fee was fixed, hourly, taxable, discounted, or subject to buyer approval.
India uses GST on supplies of goods and services. Intra-state supplies generally use CGST plus SGST or UTGST, while inter-state supplies use IGST. An estimate should separate those tax labels before the invoice stage, especially when the buyer needs approval from finance or procurement before issuing a purchase order.
GST invoice line items must identify the HSN code for goods or accounting code for services, describe the goods or services, and show total value, taxable value, and any discount or abatement. The estimate can mirror those fields so the final invoice does not need to be rebuilt after acceptance. For example, a consulting line can show SAC, 10 hours, Rs. 2,000 per hour, taxable value Rs. 20,000, and the expected GST split.
The biggest mistake is treating the estimate as a loose price note. Buyer name, billing address, GSTIN or UIN for a registered recipient, state, place of supply for inter-state work, and delivery address details all affect the final invoice. Missing buyer data slows approval because the seller has to chase corrections after the commercial terms are already accepted.
Payment terms also deserve space on the estimate. When the supplier is a micro or small enterprise covered by the MSMED Act, the agreed payment date cannot exceed 45 days from acceptance or deemed acceptance, with interest consequences for delayed payment. A clear estimate states the due date rule, acceptance method, and any deposit or milestone terms before the work starts.
A free estimate template is enough for a one-off quote, a small services job, or a buyer that only needs price approval before a purchase order. It works well when the scope is simple, GST treatment is already known, and the seller can manually transfer accepted details into the final invoice without losing line-item accuracy.
A managed workflow fits recurring client work, mixed billable and non-billable tasks, changing rates, and project teams. Everhour can keep billable status at the project level, mark specific tasks as non-billable, apply custom task rates, and report billable time, non-billable time, billable amount, and cost. That structure keeps the estimate connected to the work that becomes invoiceable later.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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An estimate is a commercial quote before acceptance. A GST tax invoice is the tax document issued by a registered supplier for a taxable supply. The final GST invoice must include required fields such as GSTIN, invoice number, issue date, recipient details, HSN or SAC, taxable value, GST rate, and tax amount.
Collect the buyer's legal name, billing address, delivery address if different, state, and GSTIN or UIN when the buyer is registered. For an unregistered recipient, GST invoice rules require name, address, delivery address, state, and state code when the taxable supply value is at least Rs. 50,000.
The estimate should show the expected GST type based on the supply. Intra-state supplies generally use CGST plus SGST or UTGST, while inter-state supplies use IGST. Final tax treatment still needs the correct place of supply, buyer state, and delivery details before the GST tax invoice is issued.
An estimate can use its own quote number, but the later GST tax invoice has a stricter serial number rule. The invoice serial number must be consecutive, unique for the financial year, and may use letters, numbers, hyphen or dash, or slash within a 16-character limit.
B2B sellers covered by GST e-invoicing need clean invoice data for reporting to the Invoice Registration Portal. GST e-invoicing applies to notified B2B taxpayers whose aggregate turnover exceeded Rs. 5 crore in any financial year from 2017-18 onward. Estimate lines should preserve buyer GSTIN, HSN or SAC, taxable value, tax type, and place of supply.
Everhour lets admins set project billing status, mark individual tasks as non-billable, use custom task rates, and set member-rate exceptions. Admin reports can show billable time, non-billable time, billable amount, and cost, so accepted estimate work does not mix with internal or out-of-scope time.
Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates and billable expenses, and excludes non-billable work. Invoice line items can be grouped by project, task, person, date, or another available breakdown before export to QuickBooks Online, Xero, or FreshBooks.
Track approved scope, separate billable from non-billable work, and keep rates visible before invoicing. Everhour gives India-focused teams cleaner billing records from estimate to final invoice.
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