How to Allocate Expenses Across Multiple Grants
When one expense benefits multiple grants, how do you split it fairly and compliantly? This guide covers allocation methods and best practices.
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How to Allocate Expenses Across Multiple Grants
When you have multiple grants funding similar work, some expenses will benefit more than one grant. Allocating these shared costs correctly is both an art and a compliance requirement.
This guide covers the methods, math, and best practices.
Why Allocation Matters
Compliance Reasons
- Federal grants require "reasonable" cost allocation
- Costs must be allocated consistently
- Auditors will test your methodology
- Incorrect allocation = audit findings
Practical Reasons
- Accurate grant budgets
- Fair reporting to funders
- Avoid overcharging one grant
- Avoid leaving money unspent
Types of Costs
Direct Costs
Costs that can be identified specifically with a particular grant.
Examples:
- Salary of a person working 100% on one grant
- Supplies purchased specifically for one program
- Travel for a specific grant activity
Allocation: Charge directly to the single grant (no allocation needed)
Shared Direct Costs
Costs that directly benefit multiple grants and must be allocated.
Examples:
- Salary of a person working on multiple grants
- Supplies used by multiple programs
- Shared equipment used by different projects
Allocation: Must be split among benefiting grants
Indirect Costs (F&A)
Overhead costs that benefit all activities.
Examples:
- Rent
- Utilities
- Executive salaries
- IT infrastructure
Allocation: Recovered via indirect cost rate applied to a base (MTDC, etc.)
Allocation Methods
Method 1: Time-Based (Best for Personnel)
Allocate based on actual time spent on each grant.
How it works:
- Staff track time spent on each grant
- Calculate percentage of time per grant
- Allocate salary proportionally
Example: Employee salary: $60,000/year
- Grant A: 50% time = $30,000
- Grant B: 30% time = $18,000
- Grant C: 20% time = $12,000
Documentation Required:
- Timesheets or time logs
- Signed time certifications
- Consistent tracking methodology
Method 2: Percentage-Based (Common for Shared Costs)
Allocate using a predetermined percentage based on a reasonable basis.
Common bases:
- Direct labor hours or costs
- Direct costs
- Square footage (for space costs)
- Headcount
- Units of service
Example: Allocating Shared Supplies by Direct Labor Cost Total supplies: $10,000
- Grant A direct labor: $100,000 (50%)
- Grant B direct labor: $60,000 (30%)
- Grant C direct labor: $40,000 (20%)
Allocation:
- Grant A: $10,000 × 50% = $5,000
- Grant B: $10,000 × 30% = $3,000
- Grant C: $10,000 × 20% = $2,000
Method 3: Usage-Based (When Measurable)
Allocate based on actual usage metrics.
Example: Printing Costs by Pages Printed Total printing: $1,000
- Grant A: 600 pages (60%)
- Grant B: 400 pages (40%)
Allocation:
- Grant A: $600
- Grant B: $400
Works well for:
- Mileage (by trip destination)
- Printing (by project)
- Phone (by call logs)
- Postage (by project mailings)
Method 4: Headcount or FTE-Based
Allocate based on number of staff per grant.
Example: Office Supplies Total supplies: $5,000 Staff:
- Grant A: 3 FTEs
- Grant B: 2 FTEs
Allocation:
- Grant A: $5,000 × (3/5) = $3,000
- Grant B: $5,000 × (2/5) = $2,000
Method 5: Square Footage (For Space)
Allocate space costs by area used.
Example: Rent Allocation Total rent: $10,000/month Space usage:
- Grant A program area: 1,000 sq ft (40%)
- Grant B program area: 750 sq ft (30%)
- Shared/admin: 750 sq ft (30%)
Allocation (program portion):
- Grant A: $4,000
- Grant B: $3,000
- Admin/indirect: $3,000
Building an Allocation Plan
Step 1: Identify Shared Costs
List all costs that benefit multiple grants:
- Personnel (partial effort)
- Shared supplies
- Shared equipment
- Shared space
- Travel benefiting multiple grants
Step 2: Choose Allocation Bases
For each shared cost type, select a reasonable basis:
| Cost Type | Recommended Basis |
|---|---|
| Personnel | Time worked |
| Supplies | Direct costs or headcount |
| Equipment | Usage hours or direct costs |
| Space | Square footage |
| Travel | Direct identification when possible |
Step 3: Document Your Methodology
Write down:
- What costs are allocated
- What basis is used for each
- How calculations are performed
- When allocations are recorded (monthly, quarterly)
Step 4: Apply Consistently
The same methodology must be used:
- Across all grants
- Across all periods
- Regardless of budget status
Compliance Requirements
Federal Grants (Uniform Guidance)
2 CFR 200.405 requires that costs be allocable if they:
- Are incurred specifically for the award
- Benefit both the award and other work and can be distributed reasonably
- Are necessary to the overall operation and assignable to the award per allocation principles
Key principles:
- Allocation must be based on benefits received
- Must be consistently applied
- Must be supported by documentation
- Cannot shift costs to avoid deficits
Common Compliance Issues
Issue 1: Inconsistent Methods Using different allocation methods for similar costs.
Fix: Document and follow a consistent methodology.
Issue 2: Missing Time Documentation Allocating personnel costs without time records.
Fix: Implement timesheets for all staff charged to grants.
Issue 3: Budget-Based Allocation Allocating based on available budget rather than actual benefit.
Fix: Allocate based on benefit, not budget availability.
Issue 4: Retroactive Changes Changing allocation percentages to meet budget targets.
Fix: Prospective changes only, with documentation.
Time Tracking for Personnel
Personnel is usually the largest allocation challenge.
Requirements
- Document time worked on each grant
- Periodic certifications of accuracy
- After-the-fact confirmation (not estimates)
- Contemporaneous records
Acceptable Methods
- Time sheets — Daily or weekly
- Time logs — Activity-based tracking
- Personnel activity reports — Periodic certifications
- Time tracking software — Automated tracking
What Auditors Look For
- Signed timesheets
- Supervisor approval
- Consistency with budget estimates
- Adjustment entries when estimates differ from actuals
Common Scenarios
Scenario 1: Staff on Multiple Grants
An employee works on three grants and administration.
Solution:
- Track time weekly
- Allocate salary/benefits based on actual time
- Adjust quarterly if needed
- Document changes in effort
Scenario 2: Shared Program Supplies
Supplies used by participants in multiple programs.
Solution:
- Track by program when practical
- Otherwise, allocate by participant count or direct costs
- Document the basis chosen
Scenario 3: Conference Attendance
Staff attends conference relevant to multiple grants.
Solution:
- Allocate registration based on time spent on each topic
- Or split evenly if broadly applicable
- Document rationale
Scenario 4: Shared Equipment Purchase
Equipment used by staff across multiple grants.
Solution:
- If major equipment ($5K+), may need different treatment
- For smaller items, allocate by user time or direct costs
- Track usage if practical
Avoiding Audit Findings
- Document everything — Methodology, calculations, approvals
- Be consistent — Same method for same cost types
- Be reasonable — Allocations should make intuitive sense
- Review regularly — Quarterly review of allocations
- Adjust prospectively — Don't change history to fix budgets
- Get it in writing — Document any funder-approved exceptions
Tools for Allocation
Manual Tracking
- Spreadsheets for allocation calculations
- Timesheets for personnel
- Monthly reconciliation
Automated Tools
- Grant management software with allocation features
- Time tracking systems
- Accounting system allocation modules
Best Practice
Use software that:
- Tracks time by grant
- Calculates allocations automatically
- Maintains audit trail
- Integrates with accounting system
GrantLink makes expense allocation easy—split costs across grants, track allocations by budget category, and maintain the documentation auditors need. See how it works.
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